Find the lot size of futures and options contracts for various stocks and indices on NSE for different months. The lot size is the minimum number of shares or units involved in a single contract and affects trading decisions and exposure. NSE revises market lot sizes for derivative contracts on select indices Under the revision, the market lot for BANKNIFTY will increase from 30 to 35, while MIDCPNIFTY will see a rise from 120 to 140. Traders will need to adjust position sizes and margin requirements, while retail investors may find contracts more accessible. National Stock Exchange will reduce Nifty 50 futures and options lot size. It will change from 75 to 65 units. This revision takes effect from December 30, 2025. Stay updated on the latest index lot size changes for Nifty, Bank Nifty, and other indices in NSE's F&O segment. Understand the impact on margin, trading strategy, and contract value.