Free Trading Tools

Options Trading Tools

Professional tools for options analysis, strategy planning, and risk management. Free and open source.

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Payoff Calculator

Build multi-leg options strategies and visualize profit/loss at expiration. Up to 6 legs with presets like Covered Call, Iron Condor and more.

  • Multi-leg strategies (up to 6)
  • Break-even points
  • Max profit/loss
  • CSV export
  • URL sharing
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P/L Simulator

Calculate current profit/loss before expiration using Black-Scholes pricing. Shows all Greeks: Delta, Gamma, Theta, Vega, Rho.

  • Real-time P/L
  • All Greeks
  • P/L curve
  • Volatility sensitivity
  • Time decay
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IV Tools

Calculate implied volatility from market prices or theoretical prices from IV. Uses Newton-Raphson with bisection fallback.

  • IV solver
  • Price calculator
  • Call/Put support
  • Dividend support
  • Accuracy 0.01%
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Why Our Tools?

Built with mathematical precision and practical experience

Accurate

Black-Scholes model with 85%+ test coverage

Fast

Optimized calculations with React memoization

Open Source

Full code available

Data Safe

No servers - everything runs locally

Important Notice

These tools are for educational purposes only and do not constitute investment advice. Options trading involves substantial risk and is not suitable for every investor. Past results are no guarantee of future returns. Please consult a licensed financial advisor before making trading decisions.

Ready to Get Started?

Choose a tool and start analyzing your options strategies

Payoff CalculatorTutorials