XXI · Twenty One Capital, Inc.

Track XXI — free Ask ALVIS about XXI

$4.41 -0.12 (-2.65%)

Market Cap

$2.87B

651.65M

Options Chain

15-min delayed Underlying $4.41 · today Options Calculator

Positioning

Aug 21, 2026 · 24 days to expiry · 8 contracts

Put / call OI

1.09

Balanced positioning

Open interest

1,977

contracts outstanding

Volume

780

traded today

Max pain

$5.00

$0.59 above spot

ATM implied vol

84.3%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 24d Sep 18 52d Oct 16 80d Jan 15 171d Jan 21 542d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
14	5	—	—	$1.99		$0.05	—	—	50	60
Call · $2.5 In the money Last $1.99 Breakeven $4.49 Implied vol — Delta — Gamma — Theta — Vega — Open interest 14 Model this call Put · $2.5 Last $0.05 Breakeven $2.45 Implied vol — Delta — Gamma — Theta — Vega — Open interest 60 Model this put
Underlying $4.41
784	193	100.2%	0.341	$0.20		$0.85	-0.764	68.3%	510	887
Call · $5 Last $0.20 Breakeven $5.20 Implied vol 100.2% Delta 0.341 ≈34% ITM Gamma 0.33 Theta -0.009 Vega 0.004 Open interest 784 Model this call Put · $5 In the money Last $0.85 Breakeven $4.15 Implied vol 68.3% Delta -0.764 ≈76% ITM Gamma 0.417 Theta -0.005 Vega 0.003 Open interest 887 Model this put
124	8	149.8%	0.107	$0.04		$3.00	-0.922	136.5%	12	85
Call · $7.5 Last $0.04 Breakeven $7.54 Implied vol 149.8% Delta 0.107 ≈11% ITM Gamma 0.111 Theta -0.006 Vega 0.003 Open interest 124 Model this call Put · $7.5 In the money Last $3.00 Breakeven $4.50 Implied vol 136.5% Delta -0.922 ≈92% ITM Gamma 0.103 Theta -0.004 Vega 0.001 Open interest 85 Model this put
23	2	244.6%	0.156	$0.05		—	—	—	—	0
Call · $10 Last $0.05 Breakeven $10.05 Implied vol 244.6% Delta 0.156 ≈16% ITM Gamma 0.087 Theta -0.014 Vega 0.003 Open interest 23 Model this call Put · $10 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 2070457 CUSIP 90138L109 13F (30d) 8 filings 8 filers Visit website Investor relations