Free Option Strategy Builder | NSE Payoff Chart & P&L Visualizer
Our option strategy builder is a free visual tool for designing and analysing multi-leg option positions on Nifty, BankNifty, FinNifty, and every NSE F&O stock. Pick an underlying, choose an expiry, and start adding legs — long or short calls and puts at any strike. The tool instantly plots the combined payoff diagram, highlights maximum profit and maximum loss zones, computes all breakeven points, and estimates the SPAN margin required. What used to take an Excel sheet and twenty minutes now takes ten seconds.
Pre-built templates make classic strategies accessible with a single click — bull call spread, bear put spread, iron condor, iron butterfly, long straddle, short strangle, calendar spread, ratio spread, and dozens more. Each template auto-picks reasonable strikes relative to current spot, and you can fine-tune from there. For custom strategies, start from scratch and build up to four legs with any combination of direction, strike, and expiry. The chart updates as you drag strikes, so you can see how payoff shape changes interactively.
How traders use the strategy builder in practice
Beginners use the pre-built templates to learn strategy shapes visually — seeing the iron condor's flat middle and tail risk on both sides is far more intuitive than reading about it. Intermediate traders use the P&L chart to test sensitivities: what happens to a bull call spread if implied volatility rises five points? What strike placement minimizes theta risk for a long straddle ahead of results? Advanced traders use the builder as a pre-trade checklist — compute exact SPAN margin, breakevens, and greeks before placing the trade so position sizing reflects real risk, not gut feel.
Complement the strategy builder with our Options Simulator (back-test strategies on past sessions), Live Option Chain, and Straddle Chart for a complete options research and execution workflow.
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How to Build an Option Strategy on StockMojo
- Select symbol and expiry — Choose a symbol (Nifty, BankNifty, or any F&O stock) and an expiry date from the dropdowns at the top.
- Add your first leg — Pick Buy or Sell, Call or Put, and select a strike price from the option chain to add your first position.
- Build multi-leg strategies — Add more legs (up to 4) to create spread strategies like Iron Condor, Butterfly, or Straddle using the Add Leg button.
- Review the payoff diagram — Examine the chart showing profit/loss zones, breakeven points, max profit, and max loss at expiration.
- Analyze combined Greeks — Check the combined Delta, Theta, Vega, and Gamma displayed below the chart to understand your position's risk exposure.