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XXI · Twenty One Capital, Inc. · Options Calculator

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$5.45 +0.00 (+0.00%) At close · Sep 11
Rebalance outlook locked
Market Cap
$3.10B
Shares
562.37M

Options Calculator

Theoretical estimate
Price contracts in your own code through the options chain API or MCP →

Estimate what a long-dated option on XXI could return if you hold it and the stock reaches a target price. Premiums are theoretical Black-Scholes-Merton values — tune the inputs to match your broker, then compare each strike's return against simply holding the shares.

Holding period

2.00 years

Implied volatility (%)

Implied volatility from the XXI options chain (Sep 18, 2026) — the market's own forward-looking estimate.Market-wide VIX 15.8.

Risk-free rate (%)

Latest SOFR (2026-09-10) — an overnight rate, a rough proxy over years.

Dividend per share

Annualizes to a 0% yield. No cash dividends on file — set an amount to model one.

Target price at horizon

Spot $5.45 at close 2026-09-11.

Best strike
—
Highest estimated return
Return at target
—
— annualized
Breakeven
—
Stock price to break even
Hold the stock
—
— annualized, with dividends

Return by strike at your target price

Strike ladder

Strike Moneyness Premium Breakeven Value at target Return Annualized Max loss

Per share; one contract = 100 shares. Premiums are theoretical Black-Scholes-Merton estimates — real options are American-style and priced off an implied-volatility smile, so use your broker's quote for the actual premium. Not investment advice.

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Key facts CIK 2070457 CUSIP 90138L109 13F (30d) 35 filings 35 filers Visit website