Max Loss / Break-Even Calculator
Enter the numbers from your broker quote. This tool estimates max loss, max gain, and break-even at expiration for common beginner strategies. It ignores commissions, taxes, early assignment, and dividends.
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Keep this page open next to your broker. For definitions and which strategy fits your situation, use the Cheat Sheet hub.
Trade inputs
Strategy
Long Call (buy call)
Bullish single-leg: risk limited to premium paid.
Premium paid ($ per share)
$
Strike price ($)
$
Contracts
At expiration (illustrative)
Max loss
$250.00
Max gain
Unlimited
Break-even
$102.50
Stock price at expirationFormula: Max loss = premium × 100 × contracts. Break-even = strike + premium.
- You lose the full premium if the stock finishes at or below the strike.
- Profit grows as the stock rises above break-even; theoretically unlimited.
Educational only — not advice. Live fills, early assignment, and fees will change real results. Read When NOT to Trade Options before risking capital.