NSE levies extra 15% margin on Vodafone Idea, SAIL, 16 other F&O stocks; effective from March

The NSE will impose an additional 15% margin on 18 stocks in the F&O segment from March 2026, targeting securities where top clients hold over 20% of the Market Wide Position Limit. This measure aims to mitigate risks associated with highly leveraged derivatives. Concurrently, margins on gold and silver futures have been eased.