Cash-Secured Put Calculator

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Contracts (100 shares each)

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Prices come from Cboe's public feed and run about 15 minutes behind the market. Confirm the live quote with your broker before you trade.

Return = premium ÷ cash set aside (strike × 100 × contracts). Annualised = return × 365 ÷ days to expiry, and assumes you could repeat the same trade all year, which is not guaranteed. Fees, tax and interest earned on the cash are not included.

Chance of assignment uses the option's delta, which is a market estimate and not a promise. US stock options can also be assigned before expiry. This is a calculator, not investment advice.