Money
Options Profit Calculator
Pick a position, enter strike, premium, contracts, contract size, and the stock price at expiration. The calculator returns P/L, break-even, max profit, and max loss for a single-leg option.
Position
The quoted option price, per share.
Standard US equity options = 100 shares.
Disclaimer
Educational estimate of P/L at expiration assuming standard American-style equity options with cash settlement of intrinsic value. Does not include commissions, fees, taxes, dividends, or assignment risk.
Not trade or investment advice. Options can lose 100% of the premium (long positions) or more (short positions). Consult a qualified broker or advisor.
P/L at expiration
$700.00
Break-even at stock price $103.00.
Long positions are buyers of the option; short positions are sellers. Calls pay off when the stock rises above the strike; puts pay off when it falls below.
Examples
Long call: K=100, P=3, S=110
Per share +$7; total P/L +$700 (1 contract)
Long put: K=100, P=3, S=90
Per share +$7; total P/L +$700
Short call: K=100, P=3, S=95
Keeps full premium = $300
Short put: K=100, P=3, S=105
Keeps full premium = $300
How it works
Each single-leg option has a closed-form payoff at expiration. Long calls profit when the stock rises above strike + premium; long puts profit when it falls below strike − premium. Shorts are mirror images.
Long call P/L · (max(0, S − K) − P) × shares
Long put P/L · (max(0, K − S) − P) × shares
Shorts · P/L = premium × shares − long P/L of the same option
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Frequently asked questions
Profit or loss at expiration for the four basic single-leg option positions (long call, long put, short call, short put). It also shows the break-even price, the max profit, the max loss, and the intrinsic value at the stock price you enter.
For long calls: strike + premium. For long puts: strike − premium. For short calls: strike + premium (you keep the premium up to that point). For short puts: strike − premium.
The in-the-money portion of an option at any price S. For a call: max(0, S − K). For a put: max(0, K − S). Out-of-the-money options have zero intrinsic value at expiration.
Because the underlying stock has no theoretical upper bound. In practice, brokers require margin and may require buying stock to deliver, but the theoretical loss is unbounded. Short puts have a defined max loss equal to (strike − premium) × shares because the stock cannot go below zero.
No. The calculator returns P/L on the option leg only at expiration. Real trade economics also include commissions, fees, taxes, and any dividend or corporate-action effects.
No. Options carry significant risk. Long positions can lose 100% of the premium; short calls have theoretically unlimited risk. Always consult a qualified broker or advisor and read your account's options agreement before trading.
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