The National Stock Exchange will launch a pre - open session for equity derivatives starting December 8, 2025. This new 15-minute session aims to enhance price discovery and ensure a smoother market opening for futures and options contracts. It will operate using a call auction mechanism, allowing traders to enter, modify, or cancel orders within specific timeframes. The National Stock Exchange ( NSE ) will introduce a pre - open session for the equity derivatives (F&O) segment starting December 8, 2025. This mechanism will apply to both single-stock and index futures, marking a key step toward improving price discovery and market efficiency in the derivatives ... The National Stock Exchange will introduce a pre - open session for equity futures and options (F&O) starting December 8, 2025. The idea is to allow the market to discover opening prices in index and stock futures before regular trading begins, much like the pre - open call auction that already exists in the equity cash market. Unlock pre -market opportunities with our guide on placing orders and trading strategies. Navigate the stock market's pre - open session like a pro!

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