Calendar Spread Margin Benefit Removed for Stock F&O on Expiry Day What is Merge Settlement? Important Update on MTF Position Conversion Special Live Trading Session on Sunday, 1st February 2026 Key changes in Securities Transaction Tax from April 1, 2026. NSE Introduces a Pre-Open Session for Futures: A Quick Breakdown for Traders Exchange Circulars (Caution for Investors) Settlement Holiday – What It Means for Your Trades SEBI’s New Circular Regarding Execution of Demat Debit and Pledge Instruction (DDPI)