NSE Will Roll Out 15-Minute Pre-Open Session For Equity Futures From December 8 To Improve Gap Movement Transparency

Mumbai : 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.

🚨Big update for F&O traders!

Starting December 8, 2025, NSE will launch a Pre-Open Session for the Futures & Options (F&O) segment — a move aimed at improving price discovery and reducing volatility at market open.

🕘Timings:

9:00 – 9:08 AM: Order entry, modification &… pic.twitter.com/u2ajGuHn00 — Traders Cafe (@TradersCafe_blr) November 4, 2025

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.