The National Stock Exchange (NSE) will roll out a 15-minute pre-open session for equity futures and options starting December 8 to enhance price discovery, improve transparency regarding gap movements and manage volatility.

The pre-open session is a 15-minute call auction window from 9:00 am to 9:15 am to determine opening prices for index and single-stock futures prior to the regular trading session, according to the exchange.

This session will allow order entry, modification, and cancellation until a random closure between 9:07 and 9:08 am. Price discovery and trade matching will occur until 9:12 am, followed by a three-minute buffer that will transition the market to continuous trading at 9:15 am.

The move aligns the derivative market with the equity cash market’s pre-open call aucti

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