NSE cuts Nifty derivatives lot size to 65, revises contract sizes for other key indices from Dec 30
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The National Stock Exchange (NSE) has announced that the lot size for Nifty 50 futures and options contracts will be reduced from 75 to 65 starting December 30, 2025 (EOD). This revision is part of a broader update to the market lot sizes for several key index derivatives, as per SEBI’s guidelines for periodic review. The changes will apply specifically to quarterly and half-yearly contracts expiring after December 30, while weekly and monthly contracts will continue with the existing lot sizes until that date. The revised market lots affect four major indices. Along with the Nifty 50’s lot size dropping to 65, the Bank Nifty contract size will move from 35 to 30, Nifty Financial Services will change from 65 to 60, and Nifty Midcap Select will reduce from 140 to 120. The lot size for Nifty Next 50 remains unchanged at 25. NSE explained that the revision is based on the average closing price of the underlying indices during September 2025,...