Cash-Secured Put Calculator

Calculate your CSP return

Enter your trade details below to estimate premium income, cash required, breakeven price, return on cash, annualized return, and downside cushion.

Trade Details

Stock Price

Current market price

Strike Price

Put contract strike

Premium Per Share

Credit received per share

Contracts

100 shares per contract

Days to Expiration

Calendar days until expiration

Estimated Results

Results update automatically as you change the trade details.

Enter valid trade information

All values must be positive before results can be calculated.

For educational purposes only. Results are mathematical estimates based on the values entered. Annualized returns are projections and do not represent guaranteed investment performance or financial advice.