Options Profit Calculator
Profit/loss for a single call or put option at expiration.
Options-trading references
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What this measures
An option gives you the right — not the obligation — to buy (call) or sell (put) 100 shares at a specific strike price. Payoff at expiration depends on the underlying stock's price relative to strike, minus the premium you paid. This calculator handles single-leg long or short call/put positions.
Formula & example
Long call profit = max(0, Stock − Strike) × 100 − Premium × 100. Long put profit = max(0, Strike − Stock) × 100 − Premium × 100. Short positions flip the sign. Breakeven for a long call = Strike + Premium; for a long put = Strike − Premium. Ignores commissions and assignment risk before expiration.
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