NSE Imposes 15% Additional Margin on 18 F&O Stocks from March 2026 Series
The National Stock Exchange (NSE) has introduced an additional 15% exposure margin on equity derivatives for 18 select stocks, effective from the March 2026 futures and options (F&O) series. This follows a circular issued on February 18, 2026.
The measure targets stocks where the top 10 clients collectively hold more than 20% of the Market Wide Position Limit (MWPL), based on three-month rolling data. The exchange will review this monthly and apply the higher margin if a stock already faces surveillance measures. The goal is to curb risks from concentrated positions in the derivatives market.
The affected stocks include:

















