NSE Reduces Derivatives Lot Sizes: Nifty and Bank Nifty Lot Sizes Slim Down to Boost Market Access Starting October 28

The National Stock Exchange (NSE) has revised lot sizes for key index derivatives effective from October 28, 2025, aiming to keep contract values balanced and accessible. Nifty 50 futures and options lot size will decrease from 75 to 65, while Bank Nifty’s lot size drops from 35 to 30. Changes also affect Nifty Financial Services and Nifty Midcap Select contracts.

 

Lot Size Reduction Details

Implementation Timeline

Rationale and Impact

Traders Advised

Sources: NSE Circular, Economic Times, Moneycontrol, Mathrubhumi