Options Payoff Calculator
Calculate options payoff from your own entered figures.
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Currency: Amounts are calculated in the currency you select; this site does not convert between currencies and does not use live exchange rates.
What this tool does
Calculate options payoff from your own entered figures. Payoff at expiry only, for a long (bought) option: no early exercise, implied volatility, time decay before expiry, fees or assignment risk. This is payoff math, not options advice.
How to use the Options Payoff Calculator
- Enter or select option type.
- Enter or select strike price.
- Enter or select premium paid per share.
- Enter or select stock price at expiry.
- Enter or select contracts (100 shares each).
- Read the calculated result; change any measurement to compare alternatives.
Formula
call payoff per share = max(stock at expiry − strike, 0) − premium; put payoff per share = max(strike − stock at expiry, 0) − premium; total = per-share payoff × 100 × contracts
- kind
- Option type
- strike
- Strike price
- premium
- Premium paid per share
- spot
- Stock price at expiry
- contracts
- Contracts (100 shares each)
Payoff at expiry only, for a long (bought) option: no early exercise, implied volatility, time decay before expiry, fees or assignment risk. This is payoff math, not options advice.
Worked example
For options payoff calculator, the following measurements illustrate the exact method: Option type: call; Strike price: 100; Premium paid per share: 5; Stock price at expiry: 115; Contracts (100 shares each): 1.
Inputs
- Option typeCall option
- Strike price100
- Premium paid per share5
- Stock price at expiry115
- Contracts (100 shares each)1
Result
- Profit / loss at expiry$1,000.00
- Payoff per share$10.00
- Break-even stock price at expiry$105.00
- Premium paid in total$500.00
Results explained
- Profit / loss at expiry
- Profit / loss at expiry from the formula above. Payoff at expiry only, for a long (bought) option: no early exercise, implied volatility, time decay before expiry, fees or assignment risk. This is payoff math, not options advice.
- Payoff per share
- Payoff per share from the formula above. Payoff at expiry only, for a long (bought) option: no early exercise, implied volatility, time decay before expiry, fees or assignment risk. This is payoff math, not options advice.
- Break-even stock price at expiry
- Break-even stock price at expiry from the formula above. Payoff at expiry only, for a long (bought) option: no early exercise, implied volatility, time decay before expiry, fees or assignment risk. This is payoff math, not options advice.
- Premium paid in total
- Premium paid in total from the formula above. Payoff at expiry only, for a long (bought) option: no early exercise, implied volatility, time decay before expiry, fees or assignment risk. This is payoff math, not options advice.
Frequently asked questions
call payoff per share = max(stock at expiry − strike, 0) − premium; put payoff per share = max(strike − stock at expiry, 0) − premium; total = per-share payoff × 100 × contracts
Payoff at expiry only, for a long (bought) option: no early exercise, implied volatility, time decay before expiry, fees or assignment risk. This is payoff math, not options advice.
No. All numbers are entered by you or come from the dated reference table shown on this page; calculations run locally.
This is an estimate, not financial, tax or legal advice. Verify the inputs and output with official sources and a qualified professional.
Check period consistency, currency, percentage inputs and the assumptions: Payoff at expiry only, for a long (bought) option: no early exercise, implied volatility, time decay before expiry, fees or assignment risk. This is payoff math, not options advice.