Free Options Calculators for Nifty & Bank Nifty

Free theta decay calculator for Nifty & Bank Nifty options. See daily premium erosion, weekend impact, weekly vs monthly time decay. 7 inputs, 18 outputs.

Understand Nifty option premium and lot cost with a worked example. The current calculator has pricing and quantity errors; verify all results separately.

Learn delta, gamma, theta and vega units. This options Greeks calculator has call/put and accuracy faults; verify its results before using them for trades.

Options breakeven is strike plus call premium or minus put premium at expiry. The call selector needs repair; see worked examples and calculation limits.

Calculate US stock option profit at expiry using strike, premium and contracts. See call and put breakevens, maximum risk, and examples before trading costs.

Calculate Bank Nifty straddle expiry breakevens from premiums. Check current expiry rules and lot sizes; the tool’s lot totals and volatility card need care.

Free Black Scholes calculator. Enter spot, strike, days to expiry, volatility and rate to get the theoretical option price plus delta, gamma, theta and vega.

Solve implied volatility from an option premium. Check the model price: the Solved note can be wrong. Dividends and exercise before expiry are not modelled.

Calculate put and call credit spread max profit, max loss, breakeven and return on risk. See a worked example and why the displayed POP is limited.

Poor man's covered call calculator for net debit and strike comparisons. See why its profit and breakeven figures cannot fully value a diagonal spread.