Free order and options calculators

Type in the numbers from your order ticket and see the max gain, max loss and breakeven in plain English. No sign-up, nothing to install, and nothing you type leaves your browser.

Credit spread calculator

Bull put and bear call spreads: max gain, max loss, breakeven.

Debit spread calculator

Bull call and bear put spreads: cost, max gain, breakeven.

Covered call calculator

Premium, max gain if called away, breakeven, downside.

Cash-secured put calculator

Cash needed, premium, breakeven, effective buy price.

Stop vs stop-limit simulator

See when each order fills, and when a stop-limit doesn’t.

Want the why, not just the numbers?

Educational only. This page explains order mechanics with example numbers. It is not investment advice, not a recommendation to buy or sell anything, and not a broker. Check your own broker’s rules, fees and assignment terms before you trade.