Free, browser-based calculators for options traders. Nothing is sent to a server — every calculation runs in your browser.
- Options profit calculator — max profit, max loss, breakeven and a payoff chart for seven strategies.
- Annualized return calculator — what a covered call or cash-secured put earns per cycle and per year, and the premium you need for a target.
- Position size calculator — how many contracts or shares fit inside your risk limit.
- Wheel strategy tracker — log puts, assignments and calls to see net premium, cost basis and return by ticker.
Not sure where to start? Read how to trade options to pick a strategy, then size it with the position size calculator.