OptionsCalc helps you build and visualize options strategies with full Greeks (delta, gamma, theta, vega), implied volatility, and interactive P/L heatmaps. Describe a trade idea, like 'show me an iron condor on AAPL', and get instant payoff diagrams, risk metrics, and scenario analysis across price and time. Supports multi-leg strategies including spreads, condors, straddles, and butterflies.