Rolling Decision Calculator

Your current short put

The roll you are considering

Results

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Roll net credit / debit
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New breakeven
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New total premium collected
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Strike change
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Gap to safety (stock vs new strike)
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Cash to secure new puts
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New days to expiration
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Annualized return (this roll)
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Carry-forward number: your net premium collected to date is now —. Record it — the tool has no login, so you re-enter this figure as "net premium collected to date" the next time you roll.

Probability of profit

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A model estimate for the repaired position at the new expiration, from the implied volatility above (a lognormal price model) — not a prediction. It assumes you hold to expiration and ignores volatility skew, early assignment and dividends. Real outcomes will differ.

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