The National Stock Exchange (NSE) has announced the periodic revision of lot size for derivatives contracts. The lot size of the revised indices are: Nifty 50, Nifty Bank, Nifty Financial Services, and Nifty Mid Select.

Nifty Next 50 lot size has remained unchanged.

The new lot sizes will come into effect from October 28, 2025 (EOD). The existing lot size will be applicable for weekly and monthly contracts till December 30, 2025 expiry date. Lot size of existing quarterly and half yearly contracts will be revised on 30-Dec2025 EOD. The market lot of derivative contracts on the following Indices shall be revised as follows:

Revised Lot Size Contract Expiry

Based on feedback from market participants and after a review by an expert working group and the secondary market advisory committe

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