NSE Tightens Rules: 15% Additional Margin on 18 Stocks Including Vodafone Idea

• NSE to impose an additional 15% margin on 18 shares from the March series.
• Rule applies if top 10 clients' stake exceeds 20% of Market Wide Position Limit (MWPL).
• Affected shares include Vodafone Idea, Bandhan Bank, DLF, and SAIL.
• Aims to reduce market risk, prevent one-sided positions, and strengthen risk management.
• Large traders will face higher trading costs and reduced leverage; small investors less impacted.