Quick options calculators for Nifty, Bank Nifty and Sensex traders.
Tools
Current lot sizes
| Index | Lot size |
|---|---|
| Nifty 50 | 65 |
| Bank Nifty | 30 |
| Fin Nifty | 60 |
| Midcap Nifty | 120 |
| Sensex | 20 |
Lot sizes as per NSE/BSE revision effective January 2026. Exchanges revise these periodically – always confirm with your broker.
Iron Condor Calculator
Put side
Call side
Option Price & Greeks
About Opti5
Opti5 Desktop – live option chain
Opti5 Desktop is a live option chain tool for Windows that connects to your own Zerodha Kite account.
- Live option chain with OI, change in OI and Greeks
- Sign in with mobile number + OTP
- 7-day free trial, then simple paid plans
Important
Opti5 is an educational calculator. It does not give buy/sell recommendations, does not place orders and is not investment advice. Opti5 is not a SEBI-registered investment adviser or research analyst. Options trading involves substantial risk of loss. Calculations are theoretical and exclude brokerage, taxes and slippage.
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