10-Q
P1DfalseQ20001415311--12-31Rates shown represent discount rate at the time of purchase.All or partial amount pledged as collateral for foreign currency forward contracts.All or partial amount pledged as collateral for swap agreements.All or partial amount pledged as collateral for futures contracts.The operations include the activity of ProShares UltraPro 3x Crude Oil ETF through April 3, 2020, and ProShares UltraPro 3x Short Crude Oil ETF through April 13, 2020, the date of liquidation, respectively. Reflects the floating financing rate, as of June 30, 2020, on the notional amount of the swap agreement paid to the counterparty or received from the counterparty, excluding any commissions. Total Return Swap Agreements payment is due at termination/maturity.The positions and counterparties herein are as of June 30, 2020. The Fund continually evaluates different counterparties for their transactions and counterparties are subject to change. New counterparties can be added at any time.For swap agreements, a positive amount represents “long” exposure to the benchmark index. A negative amount represents “short” exposure to the benchmark index.The operations include the activity of ProShares UltraPro 3x Crude Oil ETF through April 3, 2020, and ProShares UltraPro 3x Short Crude Oil ETF through through April 13, 2020, the date of liquidation, respectively. Although the Funds’ shares may continue to trade on secondary markets subsequent to the calculation of the final NAV, these times represent the final opportunity to transact in creation or redemption units for the six months ended June 30, 2020.Includes cumulative appreciation (depreciation) of futures contracts as reported in the Schedule of Investments. Only current day’s variation margin is reported within the Statements of Financial Condition in receivable/payable on open futures.The operations include the activity through March 27, 2020, the date liquidation was determined to be imminent. See Note 1.The operations include the activity of ProShares UltraPro 3x Crude Oil ETF through April 3, 2020, and ProShares UltraPro 3x Short Crude Oil ETF through April 13, 2020, the date of liquidation, respectively.The amount shown for a share outstanding throughout the period may not accord with the change in aggregate gains and losses during the period because of timing of creation and redemption units in relation to fluctuating net asset value during the period.Market values are determined at the close of the NYSE Arca, which may be later than when the Funds’ net asset value is calculated.Percentages are not annualized for the period ended June 30, 2020.Percentages are annualized.See Note 1 of these Notes to Financial Statements.Percentages are not annualized for the period ended June 30, 2019.Amount represents greater than $(0.005).Expense ratio, excluding non-recurring fees and expense is 1.16%.Expense ratio, excluding non-recurring fees and expense is 1.52%. 0001415311 2020-01-01 2020-06-30 0001415311 2019-01-01 2019-06-30 0001415311 2020-04-01 2020-06-30 0001415311 2019-04-01 2019-06-30 0001415311 2020-06-30 0001415311 2019-12-31 0001415311 2020-08-03 0001415311 2020-03-31 0001415311 2019-03-31 0001415311 2018-12-31 0001415311 2019-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesShortEuroMember 2020-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraSilverMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:ForeignExchangeForwardMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember us-gaap:ForeignExchangeForwardMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember us-gaap:ForeignExchangeForwardMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2020-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-06-30 0001415311 us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2020-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember us-gaap:ForeignExchangeForwardMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:ForeignExchangeForwardMember 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember us-gaap:ForeignExchangeForwardMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:SwapMember 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:SwapMember 2020-06-30 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndUnrealizedAppreciationOnSwapAgreementsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndUnrealizedAppreciationOnSwapAgreementsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndUnrealizedAppreciationOnSwapAgreementsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndUnrealizedAppreciationOnSwapAgreementsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember ck0001415311:ProsharesUltraGoldMember 2020-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember ck0001415311:ProsharesUltraSilverMember 2020-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesShortEuroMember 2020-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraEuroMember 2020-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraYenMember 2020-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-06-30 0001415311 us-gaap:NondesignatedMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:CommodityContractMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember 2020-06-30 0001415311 ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortAustralianDollarMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember 2020-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortEuroMember 2020-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortYenMember 2020-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraYenMember 2020-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraEuroMember 2020-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:PayableOnOpenFuturesContractsUnrealizedDepreciationOnSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortGoldMember 2020-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:PayableOnOpenFuturesContractsUnrealizedDepreciationOnSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortSilverMember 2020-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:PayableOnOpenFuturesContractsUnrealizedDepreciationOnSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:PayableOnOpenFuturesContractsUnrealizedDepreciationOnSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:PayableOnOpenFuturesContractsUnrealizedDepreciationOnSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-06-30 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndUnrealizedDepreciationOnSwapAgreementsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndUnrealizedDepreciationOnSwapAgreementsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndUnrealizedDepreciationOnSwapAgreementsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:MorganStanleyMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:SocieteGeneraleSaMember 2020-06-30 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraEuroMember 2020-06-30 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraEuroMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember ck0001415311:CitibankNaMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember ck0001415311:UbsAgMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember ck0001415311:CitibankNaMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember ck0001415311:UbsAgMember 2020-06-30 0001415311 ck0001415311:GoldmanSachsAndCoMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember ck0001415311:UbsAgMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember ck0001415311:UbsAgMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember ck0001415311:UbsAgMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember ck0001415311:CitibankNaMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember ck0001415311:UbsAgMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:CitibankNaMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:UbsAgMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:UbsAgMember 2020-06-30 0001415311 us-gaap:LongMember ck0001415311:ProsharesUltraShortEuroMember us-gaap:ForeignExchangeForwardMember ck0001415311:UbsAgMember ck0001415311:EuroContractMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:UbsAgMember 2020-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:LongMember ck0001415311:EuroContractMember ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:UbsAgMember 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:SilverSubindexMember ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember ck0001415311:CitibankNaMember 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:SilverSubindexMember ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:SilverSubindexMember ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember ck0001415311:UbsAgMember 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:GoldSubindexMember ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:GoldSubindexMember ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:GoldSubindexMember ck0001415311:UbsAgMember ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:SwapMember ck0001415311:MorganStanleyMember ck0001415311:WTICrudeOilSubindexMember 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:GoldmanSachsMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:SocieteGeneraleSaMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:CitibankNaMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember us-gaap:SwapMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:UbsAgMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember us-gaap:SwapMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:GoldmanSachsMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember us-gaap:SwapMember 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:CitibankNaMember 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:UbsAgMember 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember ck0001415311:GoldmanSachsMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember 2020-06-30 0001415311 ck0001415311:GoldmanSachsAndCoMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember ck0001415311:InternationalBasedOnIpathSeriesBSAndP500VixShorttermFuturesEtnInavIndexMember us-gaap:SwapMember 2020-06-30 0001415311 ck0001415311:ProsharesShortEuroMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember ck0001415311:VixFuturesCboeExpiresJulyTwoThousandTwentyMember us-gaap:FutureMember us-gaap:ShortMember 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember ck0001415311:VixFuturesCboeExpiresAugustTwoThousandTwentyMember us-gaap:FutureMember us-gaap:ShortMember 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:ShortMember ck0001415311:WtiCrudeOilNymexExpiresSeptemberTwoThousandTwentyMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember ck0001415311:AustralianDollarFxCurrencyFuturesCmeExpiresSeptember2020Member us-gaap:FutureMember us-gaap:ShortMember 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:ShortMember ck0001415311:WtiCrudeOilNymexExpiresDecemberTwoThousandAndTwentyMember 2020-06-30 0001415311 ck0001415311:NaturalGasNymexExpiresSeptemberTwoThousandAndTwentyMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember us-gaap:ShortMember us-gaap:FutureMember 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:ShortMember ck0001415311:WtiCrudeOilNymexExpiresOctoberTwoThousandAndTwentyMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember ck0001415311:GoldFuturesComexExpiresAugustTwoThousandAndTwentyMember us-gaap:ShortMember us-gaap:FutureMember 2020-06-30 0001415311 ck0001415311:SilverFuturesComexExpiresSeptemberTwoThousandAndTwentyMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortSilverMember us-gaap:FutureMember 2020-06-30 0001415311 ck0001415311:EuroFxCurrencyFuturesCmeExpiresSeptemberTwoThousandAndTwentyMember us-gaap:ShortMember ck0001415311:ProsharesShortEuroMember us-gaap:FutureMember 2020-06-30 0001415311 ck0001415311:ProsharesShortEuroMember us-gaap:FutureMember 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember us-gaap:FutureMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:FutureMember 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:FutureMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:FutureMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:FutureMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember us-gaap:FutureMember 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember us-gaap:FutureMember 2020-06-30 0001415311 us-gaap:FutureMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember 2020-06-30 0001415311 us-gaap:SwapMember 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember us-gaap:FutureMember us-gaap:ShortMember 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:ShortMember 2020-06-30 0001415311 us-gaap:LongMember us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:WtiCrudeOilNymexExpiresSeptemberTwoThousandTwentyMember 2020-06-30 0001415311 us-gaap:LongMember us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:WtiCrudeOilNymexExpiresDecemberTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:LongMember us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:WtiCrudeOilNymexExpiresOctoberTwoThousandAndTwentyMember 2020-06-30 0001415311 ck0001415311:NaturalGasNymexExpiresSeptemberTwoThousandAndTwentyMember ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:FutureMember us-gaap:LongMember 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember us-gaap:FutureMember us-gaap:LongMember ck0001415311:VixFuturesCboeExpiresAugustTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:LongMember ck0001415311:ProsharesVixMidTermFuturesEtfMember ck0001415311:VixFuturesCboeExpiresJanuaryTwoThousandAndTwentyOneMember us-gaap:FutureMember 2020-06-30 0001415311 us-gaap:LongMember ck0001415311:ProsharesVixMidTermFuturesEtfMember ck0001415311:VixFuturesCboeExpiresDecemberTwoThousandAndTwentyMember us-gaap:FutureMember 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember us-gaap:FutureMember us-gaap:LongMember ck0001415311:VixFuturesCboeExpiresJulyTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:LongMember ck0001415311:ProsharesVixMidTermFuturesEtfMember ck0001415311:VixFuturesCboeExpiresOctoberTwoThousandAndTwentyMember us-gaap:FutureMember 2020-06-30 0001415311 us-gaap:LongMember ck0001415311:ProsharesVixMidTermFuturesEtfMember ck0001415311:VixFuturesCboeExpiresNovemberTwoThousandAndTwentyMember us-gaap:FutureMember 2020-06-30 0001415311 ck0001415311:GoldFuturesComexExpiresAugustTwoThousandAndTwentyMember ck0001415311:ProsharesUltraGoldMember us-gaap:FutureMember us-gaap:LongMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:FutureMember us-gaap:LongMember ck0001415311:VixFuturesCboeExpiresJulyTwoThousandAndTwentyMember 2020-06-30 0001415311 ck0001415311:SilverFuturesComexExpiresSeptemberTwoThousandAndTwentyMember ck0001415311:ProsharesUltraSilverMember us-gaap:FutureMember us-gaap:LongMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:FutureMember us-gaap:LongMember ck0001415311:VixFuturesCboeExpiresAugustTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:LongMember us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-06-30 0001415311 us-gaap:LongMember us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-06-30 0001415311 us-gaap:LongMember us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:LongMember us-gaap:FutureMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneOneFourPercentageDueAugustThirteenTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSevenZeroPercentageDueJulySixteenTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveZeroPercentageDueSeptemberThreeTwoThousandAndTwentyMember 2020-06-30 0001415311 ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortGoldMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraSilverMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember 2020-06-30 0001415311 ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember ck0001415311:ProsharesUltraSilverMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:UnitedStatesTreasuryBillsZeroPointOneOneFourPercentageDueAugustThirteenTwoThousandAndTwentyMember ck0001415311:ProsharesUltraSilverMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneOneFourPercentageDueAugustThirteenTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-06-30 0001415311 ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember ck0001415311:ProsharesUltraShortYenMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember ck0001415311:ProsharesUltraShortYenMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-06-30 0001415311 ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:UbsAgMember ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:UbsAgMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:GoldmanSachsMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:UbsAgMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:UbsAgMember 2020-06-30 0001415311 us-gaap:ShortMember ck0001415311:EuroContractMember ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember 2020-06-30 0001415311 us-gaap:LongMember ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember ck0001415311:YenContractMember us-gaap:ForeignExchangeForwardMember us-gaap:LongMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember ck0001415311:YenContractMember us-gaap:ForeignExchangeForwardMember us-gaap:ShortMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember ck0001415311:YenContractMember us-gaap:ForeignExchangeForwardMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember ck0001415311:EuroContractMember us-gaap:LongMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember ck0001415311:EuroContractMember us-gaap:ShortMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember ck0001415311:YenContractMember us-gaap:ShortMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember ck0001415311:EuroContractMember 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember ck0001415311:YenContractMember us-gaap:LongMember 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortEuroMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesShortEuroMember 2019-12-31 0001415311 ck0001415311:ProsharesShortEuroMember 2019-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraSilverMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:ForeignExchangeForwardMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraYenMember 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember us-gaap:ForeignExchangeForwardMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember us-gaap:ForeignExchangeForwardMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2019-12-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-12-31 0001415311 us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember 2019-12-31 0001415311 us-gaap:ForeignExchangeForwardMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 us-gaap:SwapMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001415311 us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member ck0001415311:ProsharesShortEuroMember 2019-12-31 0001415311 us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member ck0001415311:ProsharesUltraEuroMember 2019-12-31 0001415311 us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member ck0001415311:ProsharesUltraYenMember 2019-12-31 0001415311 us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2019-12-31 0001415311 us-gaap:FutureMember us-gaap:FairValueInputsLevel1Member ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2019-12-31 0001415311 us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2019-12-31 0001415311 us-gaap:FutureMember us-gaap:FairValueInputsLevel1Member ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2019-12-31 0001415311 us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember us-gaap:FairValueInputsLevel1Member ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:SwapMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:ForeignExchangeForwardMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:SwapMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember us-gaap:ForeignExchangeForwardMember 2019-12-31 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember us-gaap:SwapMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:SwapMember 2019-12-31 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2019-12-31 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:ReceivablesOnOpenFuturesContractsAndUnrealizedAppreciationOnSwapAgreementsMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-12-31 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:ReceivablesOnOpenFuturesContractsAndUnrealizedAppreciationOnSwapAgreementsMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-12-31 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember ck0001415311:ProsharesUltraGoldMember 2019-12-31 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember ck0001415311:ProsharesUltraSilverMember 2019-12-31 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2019-12-31 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:ReceivablesOnOpenFuturesContractsUnrealizedAppreciationOnSwapAndOrForwardContractsMember 2019-12-31 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraEuroMember 2019-12-31 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortYenMember 2019-12-31 0001415311 us-gaap:NondesignatedMember 2019-12-31 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortEuroMember 2019-12-31 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortEuroMember 2019-12-31 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraYenMember 2019-12-31 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-12-31 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:PayableOnOpenFuturesContractsUnrealizedDepreciationOnSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-12-31 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:PayableOnOpenFuturesContractsUnrealizedDepreciationOnSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortGoldMember 2019-12-31 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:PayableOnOpenFuturesContractsUnrealizedDepreciationOnSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortSilverMember 2019-12-31 0001415311 ck0001415311:ProsharesShortEuroMember us-gaap:NondesignatedMember ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember 2019-12-31 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:PayableOnOpenFuturesContractsUnrealizedDepreciationOnSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2019-12-31 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:PayableOnOpenFuturesContractsUnrealizedDepreciationOnSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-12-31 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:PayableOnOpenFuturesContractsAndUnrealizedDepreciationOnSwapAgreementsMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-12-31 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:PayableOnOpenFuturesContractsAndUnrealizedDepreciationOnSwapAgreementsMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-12-31 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:PayableOnOpenFuturesContractsAndUnrealizedDepreciationOnSwapAgreementsMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-12-31 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:PayableOnOpenFuturesContractsAndUnrealizedDepreciationOnSwapAgreementsMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:CitibankNaMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:GoldmanSachsMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:RoyalBankOfCanadaMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:SocieteGeneraleSaMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:UbsAgMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember ck0001415311:GoldmanSachsMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember ck0001415311:UbsAgMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember ck0001415311:CitibankNaMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember ck0001415311:GoldmanSachsMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember ck0001415311:UbsAgMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember ck0001415311:CitibankNaMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember ck0001415311:GoldmanSachsMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember ck0001415311:UbsAgMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember ck0001415311:GoldmanSachsAndCoMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraYenMember ck0001415311:GoldmanSachsMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraYenMember ck0001415311:UbsAgMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember ck0001415311:CitibankNaMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember ck0001415311:GoldmanSachsMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember ck0001415311:RoyalBankOfCanadaMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember ck0001415311:SocieteGeneraleSaMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember ck0001415311:UbsAgMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember ck0001415311:GoldmanSachsMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember ck0001415311:UbsAgMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember ck0001415311:CitibankNaMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember ck0001415311:GoldmanSachsMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember ck0001415311:UbsAgMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:CitibankNaMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:GoldmanSachsMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:UbsAgMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember ck0001415311:GoldmanSachsMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember ck0001415311:UbsAgMember 2019-12-31 0001415311 ck0001415311:ProsharesShortEuroMember us-gaap:FutureMember 2019-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember us-gaap:FutureMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:FutureMember 2019-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:FutureMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:FutureMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:FutureMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember us-gaap:FutureMember 2019-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2019-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2019-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember us-gaap:FutureMember 2019-12-31 0001415311 us-gaap:FutureMember 2019-12-31 0001415311 us-gaap:ForeignExchangeForwardMember 2019-12-31 0001415311 us-gaap:SwapMember 2019-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraGoldMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraSilverMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortGoldMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortSilverMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesShortEuroMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraEuroMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraYenMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortEuroMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortYenMember 2020-04-01 2020-06-30 0001415311 us-gaap:NondesignatedMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortEuroMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:FutureMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:FutureMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:SwapMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2020-04-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2020-04-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:FutureMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:FutureMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:SwapMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:ForeignExchangeForwardMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-04-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-04-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-04-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-04-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2020-04-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2020-04-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2020-04-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortGoldMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2020-04-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2020-04-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortSilverMember 2020-04-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2020-04-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortYenMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-04-01 2020-06-30 0001415311 us-gaap:FutureMember 2020-04-01 2020-06-30 0001415311 us-gaap:SwapMember 2020-04-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember 2020-04-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-04-01 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortGoldMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraGoldMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraSilverMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortSilverMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesShortEuroMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraEuroMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraYenMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortEuroMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortYenMember 2019-04-01 2019-06-30 0001415311 us-gaap:NondesignatedMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortEuroMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesShortEuroMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraEuroMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:FutureMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:FutureMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:SwapMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:FutureMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:FutureMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:SwapMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:ForeignExchangeForwardMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-04-01 2019-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-04-01 2019-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:SwapMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortGoldMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember us-gaap:SwapMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortSilverMember 2019-04-01 2019-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortYenMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-04-01 2019-06-30 0001415311 us-gaap:FutureMember 2019-04-01 2019-06-30 0001415311 us-gaap:SwapMember 2019-04-01 2019-06-30 0001415311 us-gaap:ForeignExchangeForwardMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-04-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraYenMember 2019-04-01 2019-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraGoldMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraSilverMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortGoldMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortSilverMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesShortEuroMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraEuroMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraYenMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortEuroMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortYenMember 2019-01-01 2019-06-30 0001415311 us-gaap:NondesignatedMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortEuroMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesShortEuroMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraEuroMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:FutureMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:FutureMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:SwapMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember 2019-01-01 2019-06-30 0001415311 us-gaap:ForwardContractsMember ck0001415311:ProsharesUltraGoldMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:FutureMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:ForwardContractsMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:FutureMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:SwapMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:ForeignExchangeForwardMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-01-01 2019-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-01-01 2019-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:SwapMember 2019-01-01 2019-06-30 0001415311 us-gaap:ForwardContractsMember ck0001415311:ProsharesUltraShortGoldMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortGoldMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember us-gaap:SwapMember 2019-01-01 2019-06-30 0001415311 us-gaap:ForwardContractsMember ck0001415311:ProsharesUltraShortSilverMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortSilverMember 2019-01-01 2019-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortYenMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember 2019-01-01 2019-06-30 0001415311 us-gaap:SwapMember 2019-01-01 2019-06-30 0001415311 us-gaap:ForwardContractsMember 2019-01-01 2019-06-30 0001415311 us-gaap:ForeignExchangeForwardMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2019-01-01 2019-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-01-01 2019-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraYenMember 2019-01-01 2019-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 srt:MinimumMember ck0001415311:MatchingVIXFundsMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:GearedvixFundsMember 2020-01-01 2020-06-30 0001415311 ck0001415311:LeveragedFundMember 2020-01-01 2020-06-30 0001415311 ck0001415311:MatchingVIXFundsMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2020-01-01 2020-06-30 0001415311 us-gaap:PrivatePlacementMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:PrivatePlacementMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember us-gaap:PrivatePlacementMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember us-gaap:PrivatePlacementMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember us-gaap:PrivatePlacementMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:PrivatePlacementMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:PrivatePlacementMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember us-gaap:PrivatePlacementMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:PrivatePlacementMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:PrivatePlacementMember 2020-01-01 2020-06-30 0001415311 ck0001415311:UltraShortFundMember 2020-01-01 2020-06-30 0001415311 ck0001415311:UltraProFundAndUltraProShortFundMember 2020-01-01 2020-06-30 0001415311 ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember us-gaap:NondesignatedMember ck0001415311:VolatilityIndexFutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraGoldMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraSilverMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortGoldMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:CommodityContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsSwapAndOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsSwapAndOrForwardAgreementsMember ck0001415311:ProsharesUltraShortSilverMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesShortEuroMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraEuroMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraYenMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortEuroMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember us-gaap:ForeignExchangeContractMember ck0001415311:NetRealizedGainLossOnFuturesContractsOrForwardAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsOrForwardAgreementsMember ck0001415311:ProsharesUltraShortYenMember 2020-01-01 2020-06-30 0001415311 us-gaap:NondesignatedMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:GoldmanSachsMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:UbsAgMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:UbsAgMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:UbsAgMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:GoldmanSachsMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:GoldmanSachsMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:UbsAgMember 2020-01-01 2020-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:LongMember ck0001415311:EuroContractMember ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:UbsAgMember 2020-01-01 2020-06-30 0001415311 ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:UbsAgMember ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember 2020-01-01 2020-06-30 0001415311 ck0001415311:GoldmanSachsAndCoMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember ck0001415311:InternationalBasedOnIpathSeriesBSAndP500VixShorttermFuturesEtnInavIndexMember us-gaap:SwapMember 2020-01-01 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:SwapMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:UbsAgMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:GoldmanSachsMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:CitibankNaMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:GoldmanSachsMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember us-gaap:SwapMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:UbsAgMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember us-gaap:SwapMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember ck0001415311:CitibankNaMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember us-gaap:SwapMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:SocieteGeneraleSaMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:MorganStanleyMember ck0001415311:WTICrudeOilSubindexMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:GoldmanSachsMember 2020-01-01 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:GoldSubindexMember ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember ck0001415311:CitibankNaMember 2020-01-01 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:GoldSubindexMember ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember ck0001415311:GoldmanSachsMember 2020-01-01 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:SilverSubindexMember ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember ck0001415311:CitibankNaMember 2020-01-01 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:SilverSubindexMember ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember ck0001415311:GoldmanSachsMember 2020-01-01 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:SilverSubindexMember ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember ck0001415311:UbsAgMember 2020-01-01 2020-06-30 0001415311 ck0001415311:BloombergMember ck0001415311:GoldSubindexMember ck0001415311:ProsharesUltraGoldMember us-gaap:SwapMember ck0001415311:UbsAgMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortEuroMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesShortEuroMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember us-gaap:ForeignExchangeForwardMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraEuroMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:FutureMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:FutureMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:SwapMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:FutureMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:SwapMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:FutureMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:SwapMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:ForeignExchangeForwardMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraYenMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortGoldMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortSilverMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortYenMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember 2020-01-01 2020-06-30 0001415311 us-gaap:SwapMember 2020-01-01 2020-06-30 0001415311 us-gaap:ForeignExchangeForwardMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-01-01 2020-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 ck0001415311:AprilTwentyTwoThousandAndTwentyReverseShareSplitMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 ck0001415311:AprilTwentyTwoThousandAndTwentyReverseShareSplitMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-01-01 2020-06-30 0001415311 us-gaap:OptionOnSecuritiesMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraSilverMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-01-01 2020-06-30 0001415311 ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortGoldMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergNaturalGasMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneOneFourPercentageDueAugustThirteenTwoThousandAndTwentyMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember ck0001415311:ProsharesUltraGoldMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember ck0001415311:ProsharesUltraSilverMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneOneFourPercentageDueAugustThirteenTwoThousandAndTwentyMember ck0001415311:ProsharesUltraSilverMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember ck0001415311:ProsharesUltraShortEuroMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneOneFourPercentageDueAugustThirteenTwoThousandAndTwentyMember ck0001415311:ProsharesUltraShortEuroMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember ck0001415311:ProsharesUltraShortEuroMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSixSevenPercentageDueJulySixteenTwoThousandAndTwentyMember ck0001415311:ProsharesUltraShortYenMember 2020-01-01 2020-06-30 0001415311 ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortYenMember 2020-01-01 2020-06-30 0001415311 ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveFourPercentageDueSeptemberThreeTwoThousandAndTwentyMember us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointZeroSevenZeroPercentageDueJulySixteenTwoThousandAndTwentyMember 2020-01-01 2020-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember ck0001415311:UnitedStatesTreasuryBillsZeroPointOneFiveZeroPercentageDueSeptemberThreeTwoThousandAndTwentyMember 2020-01-01 2020-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-03-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraYenMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2020-03-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-03-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-03-31 0001415311 ck0001415311:ProsharesShortEuroMember 2020-03-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraYenMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2020-03-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2020-03-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-03-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-03-31 0001415311 ck0001415311:ProsharesShortEuroMember 2020-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2020-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2020-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2020-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-03-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraYenMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2019-03-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-03-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraYenMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2019-03-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-03-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-03-31 0001415311 ck0001415311:ProsharesShortEuroMember 2019-03-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-03-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2019-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2019-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2019-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2019-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2018-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraYenMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2018-12-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2018-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2018-12-31 0001415311 ck0001415311:ProsharesShortEuroMember 2018-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraYenMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraProThreexCrudeOilEtfMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraProThreexShortCrudeOilEtfMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2018-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2018-12-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2018-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2018-12-31 0001415311 ck0001415311:ProsharesShortEuroMember 2019-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraYenMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortAustralianDollarMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2019-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2019-12-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2019-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2019-12-31 iso4217:USD xbrli:shares xbrli:pure iso4217:JPY iso4217:EUR ck0001415311:Trust iso4217:USD xbrli:shares iso4217:USD ck0001415311:EquityUnit ck0001415311:Contract