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Call and Put Option Payoff Calculator — result sheet
Calculate a single call or put option's expiration payoff, premium effect, net result, and simple break-even for a long or short position.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Call intrinsic value = max(0, underlying price − strike); put intrinsic value = max(0, strike − underlying price); gross payoff = intrinsic value × contract multiplier × contracts; long net result = gross payoff − premium cash; short net result = premium cash − gross payoff.
The calculator isolates the expiration payoff of one plain call or put. It shows how the strike, premium, contract multiplier, number of contracts, and long or short side interact without presenting a pre-expiration option-pricing model.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Underlying price at expiration — price units; minimum 0; maximum 1000000000000
- Strike price — price units; minimum 0; maximum 1000000000000
- Premium per underlying unit — currency / unit; minimum 0; maximum 1000000000000
- Contract multiplier — underlying units / contract; minimum 1.0E-6; maximum 1000000000
- Number of contracts — contracts; minimum 1.0E-6; maximum 1000000000
- Option type — 2 choices
- Position side — 2 choices
Worked example
| Input | Value |
|---|---|
| Underlying price at expiration | 105 |
| Strike price | 100 |
| Premium per underlying unit | 3 |
| Contract multiplier | 100 |
| Number of contracts | 1 |
| Option type | call |
| Position side | long |
The call has 5 of intrinsic value per unit, a 500 gross payoff, 300 of premium cash, and a 200 net expiration result; the simple break-even price is 103.
Assumptions and limits
- The underlying price is the price at expiration for this scenario.
- The option is a plain single-leg call or put.
- Premium is quoted per underlying unit.
- Contract multiplier converts per-unit value into contract value.
- Long positions pay the premium and short positions receive it in the simplified entry line.
- The break-even line assumes one premium amount and no transaction costs.
- Time value, implied volatility, and option Greeks are not calculated.
- Early exercise, assignment, settlement, and expiration style are excluded.
- Taxes, commissions, exchange fees, and bid-ask spread are excluded.
- Short-option risk can exceed the displayed single expiration scenario.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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