10-Q
P1Dhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberhttp://fasb.org/us-gaap/2024#RelatedPartyMemberfalseQ20001415311--12-31The positions and counterparties herein are as of June 30, 2024. The Fund continually evaluates different counterparties for their transactions and counterparties are subject to change. New counterparties can be added at any time.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, 2024.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.Market values are determined at the close of the applicable primary listing exchange, which may be later than when the Funds’ net asset value is calculated.See Note 1 of these Notes to Financial Statements.Percentages are annualized.Percentages are not annualized for the period ended June 30, 2023.The expense ratio would be 0.95%, 0.95%, 0.95%, 0.95%, 0.95% and 0.95%, respectively, if non-recurring fees and expenses, and brokerage commissions and futures account fees were excluded.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.The expense ratio would be 0.95%, 0.95%, 0.85% and 0.85%, respectively, if non-recurring fees and expenses, and brokerage commissions and futures account fees were excluded.Reflects the floating financing rate, as of June 30, 2024, 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.For swap agreements, a positive amount represents “long” exposure to the benchmark index. A negative amount represents “short” exposure to the benchmark index. Rates shown represent discount rate at the time of purchase.All or partial amount pledged as collateral for swap agreements.Percentages are not annualized for the period ended June 30, 2024.The expense ratio would be 0.95%, 0.95%, 0.95%, 0.95%, 0.95% and 0.95%, respectively, if brokerage commissions and futures account fees were excluded.The expense ratio would be 0.95%, 0.95%, 0.85% and 0.85%, respectively, if brokerage commissions and futures account fees were excluded. 0001415311 2023-04-01 2023-06-30 0001415311 2024-04-01 2024-06-30 0001415311 2023-01-01 2023-06-30 0001415311 2024-01-01 2024-06-30 0001415311 2023-12-31 0001415311 2024-06-30 0001415311 2024-08-04 0001415311 2024-03-31 0001415311 2023-03-31 0001415311 2022-12-31 0001415311 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignExchangeForwardMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 ck0001415311:ReceivableOnOpenFuturesContractsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndOrUnrealizedAppreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndOrUnrealizedAppreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 us-gaap:NondesignatedMember 2024-06-30 0001415311 ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndOrUnrealizedAppreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndOrUnrealizedAppreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:SocieteGeneraleSaMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndOrUnrealizedDepreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-06-30 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndOrUnrealizedDepreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndOrUnrealizedDepreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndOrUnrealizedDepreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 ck0001415311:PayableOnOpenFuturesContractsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:PayableOnOpenFuturesContractsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:PayableOnOpenFuturesContractsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 ck0001415311:CitibankNaMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 ck0001415311:CitibankNaMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 ck0001415311:CitibankNaMember us-gaap:SwapMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:SwapMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember us-gaap:SwapMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:SocieteGeneraleSaMember us-gaap:SwapMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:SwapMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:CitibankNaMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 ck0001415311:CitibankNaMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember 2024-06-30 0001415311 us-gaap:SwapMember 2024-06-30 0001415311 us-gaap:FutureMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:VixFuturesCboeExpiresAugestTwoThousandAndTwentyFourMember us-gaap:ShortMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:VIXFuturesCboeExpiresJulyTwoThousandAndTwentyFourMember us-gaap:ShortMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:GoldFuturesCOMEXExpiresAugustTwoThousandAndTwentyFourMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:SilverFuturesCOMEXExpiresSeptemberTwoThousandAndTwentyFourMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:WTICrudeOilNYMEXExpiresSeptemberTwoThousandAndTwentyFourMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:WTICrudeOilNYMEXExpiresDecemberTwoThousandAndTwentyFourMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:WTICrudeOilNYMEXExpiresJuneTwoThousandAndTwentyFiveMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:NaturalGasNYMEXExpiresSeptemberTwoThousandAndTwentyFourMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:FutureMember us-gaap:ShortMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:VIXFuturesCboeExpiresOctoberTwoThousandAndTwentyFouMember us-gaap:LongMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:VIXFuturesCboeExpiresJanuaryTwoThousandAndTwentyFiveMember us-gaap:LongMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:VIXFuturesCboeExpiresDecemberTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:VIXFuturesCboeExpiresNovemberTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:VIXFuturesCboeExpiresJulyTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:VIXFuturesCboeExpiresAugustTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:VIXFuturesCboeExpiresAugustTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:VIXFuturesCboeExpiresJulyTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:WTICrudeOilNYMEXExpiresSeptemberTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:WTICrudeOilNYMEXExpiresDecemberTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:WTICrudeOilNYMEXExpiresJuneTwoThousandAndTwentyFiveMember us-gaap:LongMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:NaturalGasNYMEXExpiresSeptemberTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:GoldFuturesCOMEXExpiresAugustTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:SilverFuturesCOMEXExpiresSeptemberTwoThousandAndTwentyFourMember us-gaap:LongMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:FutureMember us-gaap:LongMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember us-gaap:LongMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember us-gaap:LongMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:FutureMember us-gaap:LongMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeOneOnePercentageDueAugustEightTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeOneZeroPercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeFourNinePercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeZeroNinePercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeOneOnePercentageDueAugustEightTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeOneFivePercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeOneOnePercentageDueAugustEightTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeTwoSixPercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoNineZeroPercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeFiveFourPercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoSixZeroPercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeTwoSevenPercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeZeroFourPercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeFiveFourPercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeZeroZeroPercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoEightEightPercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeTwoOnePercentageDueNineFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeZeroFourPercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoNineFivePercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoNineFivePercentageDueSeptemberFiveTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeZeroZeroPercentageDueJulyNineTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeFiveFourPercentageDueSeptemberFiveTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeTenPercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoSixZeroPercentageDueJulyNineTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeFiveFourPercentageDueSeptemberFiveTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoNineZeroPercentageDueJulyNineTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2023-12-31 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraYenMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignExchangeForwardMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel1Member us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 us-gaap:FairValueInputsLevel2Member us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2023-12-31 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2023-12-31 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember 2023-12-31 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember 2023-12-31 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2023-12-31 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2023-12-31 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraEuroMember 2023-12-31 0001415311 ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraYenMember 2023-12-31 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndOrUnrealizedAppreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndOrUnrealizedAppreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndOrUnrealizedAppreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndOrUnrealizedAppreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndOrUnrealizedAppreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:ReceivablesOnOpenFuturesContractsAndOrUnrealizedAppreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-12-31 0001415311 ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortYenMember 2023-12-31 0001415311 us-gaap:NondesignatedMember 2023-12-31 0001415311 ck0001415311:ReceivableOnOpenFuturesContractsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:UnrealizedAppreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortEuroMember 2023-12-31 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraYenMember 2023-12-31 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraEuroMember 2023-12-31 0001415311 ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:SocieteGeneraleSaMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraEuroMember 2023-12-31 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraShortYenMember 2023-12-31 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraShortGoldMember 2023-12-31 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraShortGoldMember 2023-12-31 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraYenMember 2023-12-31 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraShortYenMember 2023-12-31 0001415311 ck0001415311:GoldmanSachsMember ck0001415311:ProsharesUltraShortEuroMember 2023-12-31 0001415311 ck0001415311:UbsAgMember ck0001415311:ProsharesUltraShortEuroMember 2023-12-31 0001415311 ck0001415311:CitibankNaMember ck0001415311:ProsharesUltraShortGoldMember 2023-12-31 0001415311 ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortYenMember 2023-12-31 0001415311 ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortEuroMember 2023-12-31 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndOrUnrealizedDepreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndOrUnrealizedDepreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-12-31 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndOrUnrealizedDepreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortGoldMember 2023-12-31 0001415311 ck0001415311:PayableOnOpenFuturesContractsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:PayableOnOpenFuturesContractsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:PayableOnOpenFuturesContractsMember ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndOrUnrealizedDepreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 ck0001415311:PayableOnOpenFuturesContractsAndOrUnrealizedDepreciationOnSwapAgreementsMember us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraYenMember 2023-12-31 0001415311 ck0001415311:UnrealizedDepreciationOnForeignCurrencyForwardContractsMember us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:ProsharesUltraEuroMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-12-31 0001415311 us-gaap:SwapMember 2023-12-31 0001415311 us-gaap:ForeignExchangeForwardMember 2023-12-31 0001415311 us-gaap:FutureMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2023-04-01 2023-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesAndOrForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnFuturesAndOrForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortEuroMember 2023-04-01 2023-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesAndOrForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnFuturesAndOrForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortYenMember 2023-04-01 2023-06-30 0001415311 us-gaap:NondesignatedMember 2023-04-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortSilverMember 2023-04-01 2023-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesAndOrForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnFuturesAndOrForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraEuroMember 2023-04-01 2023-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesAndOrForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnFuturesAndOrForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraYenMember 2023-04-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortGoldMember 2023-04-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndOrSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndOrSwapAgreementsMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraGoldMember 2023-04-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraSilverMember 2023-04-01 2023-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndOrSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndOrSwapAgreementsMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndOrSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndOrSwapAgreementsMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndOrSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndOrSwapAgreementsMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraSilverMember 2023-04-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraSilverMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraSilverMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2023-04-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2023-04-01 2023-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember 2023-04-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-04-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:ForeignExchangeForwardMember 2023-04-01 2023-06-30 0001415311 us-gaap:SwapMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2023-04-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortYenMember 2023-04-01 2023-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember 2023-04-01 2023-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2023-04-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2023-04-01 2023-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-04-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortSilverMember 2023-04-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2024-04-01 2024-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortYenMember 2024-04-01 2024-06-30 0001415311 us-gaap:NondesignatedMember 2024-04-01 2024-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraEuroMember 2024-04-01 2024-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraYenMember 2024-04-01 2024-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortEuroMember 2024-04-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortGoldMember 2024-04-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortSilverMember 2024-04-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraGoldMember 2024-04-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraSilverMember 2024-04-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraSilverMember 2024-04-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraSilverMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraSilverMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2024-04-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2024-04-01 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2024-04-01 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember 2024-04-01 2024-06-30 0001415311 us-gaap:SwapMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2024-04-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortYenMember 2024-04-01 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember 2024-04-01 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2024-04-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2024-04-01 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-04-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortSilverMember 2024-04-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesAndOrForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnFuturesAndOrForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraYenMember 2023-01-01 2023-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesAndOrForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnFuturesAndOrForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortEuroMember 2023-01-01 2023-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesAndOrForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnFuturesAndOrForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortYenMember 2023-01-01 2023-06-30 0001415311 us-gaap:NondesignatedMember 2023-01-01 2023-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesAndOrForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnFuturesAndOrForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraEuroMember 2023-01-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortGoldMember 2023-01-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortSilverMember 2023-01-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraGoldMember 2023-01-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraSilverMember 2023-01-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndOrSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndOrSwapAgreementsMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndOrSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndOrSwapAgreementsMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndOrSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndOrSwapAgreementsMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndOrSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndOrSwapAgreementsMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraSilverMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraSilverMember 2023-01-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraSilverMember 2023-01-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2023-01-01 2023-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-01-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 us-gaap:ForeignExchangeForwardMember 2023-01-01 2023-06-30 0001415311 us-gaap:SwapMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortYenMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-01-01 2023-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2023-01-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2023-01-01 2023-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember 2023-01-01 2023-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-01-01 2023-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortSilverMember 2023-01-01 2023-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 srt:MinimumMember ck0001415311:MatchingVIXFundsMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GearedvixFundsMember 2024-01-01 2024-06-30 0001415311 ck0001415311:MatchingVIXFundsMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesShortEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:LeveragedFundMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UltraShortFundMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember us-gaap:PrivatePlacementMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember us-gaap:PrivatePlacementMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember us-gaap:PrivatePlacementMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember us-gaap:PrivatePlacementMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember us-gaap:PrivatePlacementMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember us-gaap:PrivatePlacementMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember us-gaap:PrivatePlacementMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember us-gaap:PrivatePlacementMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember us-gaap:PrivatePlacementMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraYenMember us-gaap:PrivatePlacementMember 2024-01-01 2024-06-30 0001415311 us-gaap:NondesignatedMember 2024-01-01 2024-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraYenMember 2024-01-01 2024-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortEuroMember 2024-01-01 2024-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraShortYenMember 2024-01-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortGoldMember 2024-01-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnForeignCurrencyForwardContractsChangesInUnrealizedAppreciationDepreciationOnForeignCurrencyForwardContractsMember ck0001415311:ProsharesUltraEuroMember 2024-01-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 us-gaap:CommodityContractMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsAndSwapAgreementsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsAndSwapAgreementsMember ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:VolatilityIndexFutureMember us-gaap:NondesignatedMember ck0001415311:NetRealizedGainLossOnFuturesContractsChangesInUnrealizedAppreciationDepreciationOnFuturesContractsMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:ProsharesUltraShortEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:ProsharesUltraShortEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortYenMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:ProsharesUltraShortYenMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraShortYenMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:ProsharesUltraYenMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:LongMember ck0001415311:ProsharesUltraYenMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:YenContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraYenMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:ProsharesUltraEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:LongMember ck0001415311:ProsharesUltraEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:ForeignExchangeForwardMember ck0001415311:EuroContractMember us-gaap:ShortMember ck0001415311:ProsharesUltraEuroMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:CitibankNaMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:CitibankNaMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraShortSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:SwapMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 ck0001415311:CitibankNaMember us-gaap:SwapMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 ck0001415311:CitibankNaMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:SwapMember ck0001415311:GoldSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:SwapMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 ck0001415311:SocieteGeneraleSaMember us-gaap:SwapMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember us-gaap:SwapMember ck0001415311:WTICrudeOilSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 ck0001415311:UbsAgMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:MorganStanleyAndCoInternationalPlcMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:GoldmanSachsMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:CitibankNaMember us-gaap:SwapMember ck0001415311:SilverSubindexMember ck0001415311:BloombergMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraEuroMember 2024-01-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember 2024-01-01 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember 2024-01-01 2024-06-30 0001415311 us-gaap:SwapMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortYenMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortYenMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraShortEuroMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortEuroMember 2024-01-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:SwapMember ck0001415311:ProsharesUltraShortGoldMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraShortGoldMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:ForeignExchangeForwardMember ck0001415311:ProsharesUltraYenMember 2024-01-01 2024-06-30 0001415311 us-gaap:FutureMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesVixShorttermFuturesMember ck0001415311:June222023ReverseShareSplitMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraVixShorttermFuturesMember ck0001415311:June222023ReverseShareSplitMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember ck0001415311:June222023ReverseShareSplitMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesMember ck0001415311:April102024ForwardShareSplitMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember ck0001415311:April102024ForwardShareSplitMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraVixShorttermFuturesMember ck0001415311:April102024ReverseShareSplitMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraSilverAndUltrashortSilverMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesUltraGoldAndUltrashortGoldMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:ProsharesUltraShortSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoEightEightPercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeTwoOnePercentageDueNineFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeZeroFourPercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoNineFivePercentageDueSeptemberFiveTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeZeroFourPercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeTwoSevenPercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoSixZeroPercentageDueJulyNineTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeFiveFourPercentageDueSeptemberFiveTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointTwoNineZeroPercentageDueJulyNineTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeOneOnePercentageDueAugustEightTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeTwoSixPercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraSilverMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeZeroNinePercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeOneFivePercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeOneOnePercentageDueAugustEightTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraGoldMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeZeroZeroPercentageDueJulyNineTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeFiveFourPercentageDueSeptemberFiveTwelveTwoThousandAndTwentyFourMember ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeFourNinePercentageDueJulyNineTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeOneOnePercentageDueAugustEightTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember ck0001415311:UnitedStatesTreasuryBillsFivePointThreeTenPercentageDueSeptemberFiveTwoThousandAndTwentyFourMember ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-01-01 2024-06-30 0001415311 ck0001415311:ProsharesVixShorttermFuturesMember ck0001415311:June222023ReverseShareSplitMember 2023-01-01 2023-12-31 0001415311 ck0001415311:ProsharesUltraVixShorttermFuturesMember ck0001415311:June222023ReverseShareSplitMember 2023-01-01 2023-12-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember ck0001415311:June222023ReverseShareSplitMember 2023-01-01 2023-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesMember ck0001415311:April102024ForwardShareSplitMember 2023-01-01 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember ck0001415311:April102024ForwardShareSplitMember 2023-01-01 2023-12-31 0001415311 ck0001415311:ProsharesUltraVixShorttermFuturesMember ck0001415311:April102024ReverseShareSplitMember 2023-01-01 2023-12-31 0001415311 ck0001415311:ProsharesUltraYenMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-03-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2023-03-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-03-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-03-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-03-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2023-03-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraYenMember 2023-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-03-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2023-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2023-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2023-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraSilverMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-03-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2024-03-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-03-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-03-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2024-03-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-03-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraYenMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2024-03-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraGoldMember 2024-06-30 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraEuroMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2024-06-30 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortYenMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2024-06-30 0001415311 ck0001415311:ProsharesUltraYenMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2022-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2022-12-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2022-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2022-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2022-12-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2022-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraYenMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2022-12-31 0001415311 ck0001415311:ProsharesUltraBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:ProsharesShortVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraSilverMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraGoldMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraEuroMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraBloombergNaturalGasMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortSilverMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortYenMember 2023-12-31 0001415311 ck0001415311:ProsharesVixMidTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergCrudeOilMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortBloombergNaturalGasMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortGoldMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraShortEuroMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraVixShortTermFuturesEtfMember 2023-12-31 0001415311 ck0001415311:ProsharesUltraYenMember 2023-12-31 iso4217:USD xbrli:shares xbrli:pure utr:Day iso4217:EUR iso4217:JPY ck0001415311:Trust iso4217:USD xbrli:shares iso4217:USD ck0001415311:EquityUnit ck0001415311:Contract