BTCW · WisdomTree Bitcoin Fund

Track BTCW — free Ask ALVIS about BTCW

$67.10 -0.29 (-0.43%) At close · Jul 29

Market Cap

$137.81M

2.04M

Options Chain

15-min delayed Underlying $67.10 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 40 contracts

Put / call OI

2.50

Put-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$63.00

$4.10 below spot

ATM implied vol

36.1%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	49.1%	0.872	—		—	-0.094	41.4%	—	0
Call · $59 In the money Last — Breakeven — Implied vol 49.1% Delta 0.872 ≈87% ITM Gamma 0.026 Theta -0.043 Vega 0.041 Open interest 0 Model this call Put · $59 Last — Breakeven — Implied vol 41.4% Delta -0.094 ≈9% ITM Gamma 0.024 Theta -0.025 Vega 0.027 Open interest 0 Model this put
0	—	45.6%	0.855	—		—	-0.093	35.7%	—	0
Call · $60 In the money Last — Breakeven — Implied vol 45.6% Delta 0.855 ≈85% ITM Gamma 0.03 Theta -0.043 Vega 0.041 Open interest 0 Model this call Put · $60 Last — Breakeven — Implied vol 35.7% Delta -0.093 ≈9% ITM Gamma 0.028 Theta -0.021 Vega 0.027 Open interest 0 Model this put
0	—	44.6%	0.824	—		—	-0.131	36.5%	—	0
Call · $61 In the money Last — Breakeven — Implied vol 44.6% Delta 0.824 ≈82% ITM Gamma 0.035 Theta -0.048 Vega 0.042 Open interest 0 Model this call Put · $61 Last — Breakeven — Implied vol 36.5% Delta -0.131 ≈13% ITM Gamma 0.035 Theta -0.028 Vega 0.041 Open interest 0 Model this put
0	—	42.4%	0.796	—		—	-0.19	39.2%	—	0
Call · $62 In the money Last — Breakeven — Implied vol 42.4% Delta 0.796 ≈80% ITM Gamma 0.041 Theta -0.05 Vega 0.042 Open interest 0 Model this call Put · $62 Last — Breakeven — Implied vol 39.2% Delta -0.19 ≈19% ITM Gamma 0.042 Theta -0.038 Vega 0.042 Open interest 0 Model this put
0	—	42.5%	0.747	—		$0.80	-0.231	37.8%	10	10
Call · $63 In the money Last — Breakeven — Implied vol 42.5% Delta 0.747 ≈75% ITM Gamma 0.045 Theta -0.055 Vega 0.056 Open interest 0 Model this call Put · $63 Last $0.80 Breakeven $62.20 Implied vol 37.8% Delta -0.231 ≈23% ITM Gamma 0.049 Theta -0.041 Vega 0.055 Open interest 10 Model this put
0	—	40.6%	0.705	—		—	-0.278	36%	—	0
Call · $64 In the money Last — Breakeven — Implied vol 40.6% Delta 0.705 ≈70% ITM Gamma 0.051 Theta -0.056 Vega 0.056 Open interest 0 Model this call Put · $64 Last — Breakeven — Implied vol 36% Delta -0.278 ≈28% ITM Gamma 0.056 Theta -0.043 Vega 0.056 Open interest 0 Model this put
0	—	39.8%	0.653	—		—	-0.336	35.9%	—	0
Call · $65 In the money Last — Breakeven — Implied vol 39.8% Delta 0.653 ≈65% ITM Gamma 0.056 Theta -0.059 Vega 0.065 Open interest 0 Model this call Put · $65 Last — Breakeven — Implied vol 35.9% Delta -0.336 ≈34% ITM Gamma 0.062 Theta -0.047 Vega 0.065 Open interest 0 Model this put
0	—	37.7%	0.597	—		—	-0.399	34.2%	—	0
Call · $66 In the money Last — Breakeven — Implied vol 37.7% Delta 0.597 ≈60% ITM Gamma 0.062 Theta -0.058 Vega 0.066 Open interest 0 Model this call Put · $66 Last — Breakeven — Implied vol 34.2% Delta -0.399 ≈40% ITM Gamma 0.068 Theta -0.046 Vega 0.065 Open interest 0 Model this put
0	—	38.3%	0.535	—		—	-0.468	34%	—	0
Call · $67 In the money Last — Breakeven — Implied vol 38.3% Delta 0.535 ≈53% ITM Gamma 0.063 Theta -0.06 Vega 0.066 Open interest 0 Model this call Put · $67 Last — Breakeven — Implied vol 34% Delta -0.468 ≈47% ITM Gamma 0.072 Theta -0.048 Vega 0.066 Open interest 0 Model this put
Underlying $67.10
0	—	35.8%	0.469	—		—	-0.542	32.3%	—	0
Call · $68 Last — Breakeven — Implied vol 35.8% Delta 0.469 ≈47% ITM Gamma 0.067 Theta -0.056 Vega 0.067 Open interest 0 Model this call Put · $68 In the money Last — Breakeven — Implied vol 32.3% Delta -0.542 ≈54% ITM Gamma 0.075 Theta -0.044 Vega 0.067 Open interest 0 Model this put
0	—	39.7%	0.417	—		—	-0.598	36.3%	—	0
Call · $69 Last — Breakeven — Implied vol 39.7% Delta 0.417 ≈42% ITM Gamma 0.059 Theta -0.06 Vega 0.068 Open interest 0 Model this call Put · $69 In the money Last — Breakeven — Implied vol 36.3% Delta -0.598 ≈60% ITM Gamma 0.065 Theta -0.049 Vega 0.068 Open interest 0 Model this put
0	—	38.7%	0.357	—		—	-0.664	35.1%	—	0
Call · $70 Last — Breakeven — Implied vol 38.7% Delta 0.357 ≈36% ITM Gamma 0.058 Theta -0.056 Vega 0.06 Open interest 0 Model this call Put · $70 In the money Last — Breakeven — Implied vol 35.1% Delta -0.664 ≈66% ITM Gamma 0.064 Theta -0.044 Vega 0.06 Open interest 0 Model this put
0	—	38%	0.301	—		—	-0.731	34%	—	0
Call · $71 Last — Breakeven — Implied vol 38% Delta 0.301 ≈30% ITM Gamma 0.055 Theta -0.051 Vega 0.061 Open interest 0 Model this call Put · $71 In the money Last — Breakeven — Implied vol 34% Delta -0.731 ≈73% ITM Gamma 0.06 Theta -0.038 Vega 0.06 Open interest 0 Model this put
0	—	38.5%	0.251	—		—	-0.798	32.2%	—	0
Call · $72 Last — Breakeven — Implied vol 38.5% Delta 0.251 ≈25% ITM Gamma 0.05 Theta -0.048 Vega 0.047 Open interest 0 Model this call Put · $72 In the money Last — Breakeven — Implied vol 32.2% Delta -0.798 ≈80% ITM Gamma 0.055 Theta -0.029 Vega 0.046 Open interest 0 Model this put
0	—	37.4%	0.204	—		—	-0.844	32.6%	—	0
Call · $73 Last — Breakeven — Implied vol 37.4% Delta 0.204 ≈20% ITM Gamma 0.045 Theta -0.04 Vega 0.047 Open interest 0 Model this call Put · $73 In the money Last — Breakeven — Implied vol 32.6% Delta -0.844 ≈84% ITM Gamma 0.048 Theta -0.025 Vega 0.045 Open interest 0 Model this put
1	1	42.7%	0.2	$1.63		—	-0.924	28.2%	—	0
Call · $74 Last $1.63 Breakeven $75.63 Implied vol 42.7% Delta 0.2 ≈20% ITM Gamma 0.039 Theta -0.045 Vega 0.048 Open interest 1 Model this call Put · $74 In the money Last — Breakeven — Implied vol 28.2% Delta -0.924 ≈92% ITM Gamma 0.038 Theta -0.012 Vega 0.028 Open interest 0 Model this put
0	—	37.4%	0.131	—		—	-0.886	36.3%	—	0
Call · $75 Last — Breakeven — Implied vol 37.4% Delta 0.131 ≈13% ITM Gamma 0.034 Theta -0.03 Vega 0.032 Open interest 0 Model this call Put · $75 In the money Last — Breakeven — Implied vol 36.3% Delta -0.886 ≈89% ITM Gamma 0.035 Theta -0.022 Vega 0.031 Open interest 0 Model this put
0	—	36.5%	0.097	—		—	—	—	—	0
Call · $76 Last — Breakeven — Implied vol 36.5% Delta 0.097 ≈10% ITM Gamma 0.028 Theta -0.024 Vega 0.033 Open interest 0 Model this call Put · $76 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
3	3	39.5%	0.091	$0.89		—	—	—	—	0
Call · $77 Last $0.89 Breakeven $77.89 Implied vol 39.5% Delta 0.091 ≈9% ITM Gamma 0.025 Theta -0.024 Vega 0.033 Open interest 3 Model this call Put · $77 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	56.2%	0.16	—		—	—	—	—	0
Call · $78 Last — Breakeven — Implied vol 56.2% Delta 0.16 ≈16% ITM Gamma 0.026 Theta -0.052 Vega 0.049 Open interest 0 Model this call Put · $78 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1850391 CUSIP 97720F101 13F (30d) 10 filings 10 filers Visit website