Free F&O tools

Small calculators for the arithmetic that comes before every F&O position. No sign-up, nothing stored.

F&O Expiry Calendar
Next weekly, monthly and quarterly expiries for every NSE and BSE index, holidays applied.
F&O Position Size Calculator
Turn the distance to your invalidation level into rupees per lot and a lot count for your risk limit.
Expiry-Day ELM Calculator
The extra 2% Extreme Loss Margin on short index options on the day they expire.