Cash-Secured Put Calculator
Annualized yield on collateral, effective purchase price if assigned, and the cushion on a cash-secured put.
Formula
Selling a put is getting paid to place a limit order: either you keep the annualized yield on idle cash or you buy a stock you wanted at a discount. The trap is selling puts on stocks you don't actually want at strikes you wouldn't actually pay.
Not financial advice — for informational and analytical use only. Verify all figures with a qualified professional before acting on them.
Disclaimer: This tool is for general informational and estimation purposes only and is not professional financial, tax, accounting or legal advice. All figures are estimates — verify with a qualified professional before making decisions. Read the full disclaimer.
Need cash-secured put calculator results fast? Analysts, founders, traders and finance professionals use the Cash-Secured Put Calculator to skip the spreadsheet and get a defensible answer in one step — free, private and instant.
About Cash-Secured Put Calculator
Annualized yield on collateral, effective purchase price if assigned, and the cushion on a cash-secured put. Selling a put is getting paid to place a limit order: either you keep the annualized yield on idle cash or you buy a stock you wanted at a discount. The trap is selling puts on stocks you don't actually want at strikes you wouldn't actually pay. The governing relationship is yield = prem/K × 365/days; effective price = K − prem. The Cash-Secured Put Calculator computes entirely in your browser — free, private (your figures never leave your device) and instant, recalculating live as you change any input.
How to use Cash-Secured Put Calculator
- 1Enter Put strike sold, Premium received, Spot today, Days to expiry into the Cash-Secured Put Calculator.
- 2The result is computed automatically using yield = prem/K × 365/days; effective price = K − prem — there is no button to press.
- 3Change any input to model a different scenario, then copy or share the result.
Why use Cash-Secured Put Calculator?
- ✓Computes cash-secured put calculator instantly with the correct formula — no spreadsheet needed
- ✓100% free and unlimited, with no sign-up, login or paywall
- ✓Runs entirely in your browser, so the figures you enter stay private
- ✓Shows the formula, a live worked example and references so you can defend the number
Frequently asked questions
What is the formula behind the Cash-Secured Put Calculator?+
Cash-Secured Put Calculator uses yield = prem/K × 365/days; effective price = K − prem. Selling a put is getting paid to place a limit order: either you keep the annualized yield on idle cash or you buy a stock you wanted at a discount. The tool substitutes your actual inputs into this relationship and shows the worked example step by step.
What inputs does the Cash-Secured Put Calculator need?+
Enter Put strike sold, Premium received, Spot today, Days to expiry and the result updates immediately — there is no button to press. Change any value to model a different scenario in real time.
Is the Cash-Secured Put Calculator free, and is my data private?+
Yes — it is completely free with no sign-up or usage limit, and it runs entirely in your browser, so the numbers you enter are never uploaded or stored on any server. It is for informational and analytical use, not financial advice.
What should I watch out for when using the Cash-Secured Put Calculator?+
The trap is selling puts on stocks you don't actually want at strikes you wouldn't actually pay.
What is the Cash-Secured Put Calculator based on?+
The method follows authoritative sources: OIC — cash-secured puts. The formula and references are shown on the page so you can verify and cite the result.
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