From December 8, 2025, the derivatives market will start the day a little differently. NSE is introducing a Pre-Open Session for F&O contracts, just like what equities have today. The objective is simple: better price discovery, fewer knee-jerk reactions at 9:15, and a cleaner opening for the futures and options market.
How the F&O Pre-Open Will Work
The pre-open session will run for a few minutes before the regular market opens. Orders will be collected, matched, and an equilibrium price will be discovered based on demand and supply. Trading will then move into the regular market as usual.
Why this matters to active traders
This change is aimed at reducing the wild spikes traders often see at the opening bell, especially after overnight global news. The pre-open session creates a buffer where the market absorbs information first, rather than reacting directly at 9:15.
Benefits for Traders and Investors
Better opening price clarity for index futures and options
Reduced volatility at market open, especially after sharp global moves
More orderly order matching instead of aggressive open trades
Improved experience for algo, intraday, and positional traders
What You Should Prepare For
If you are into active index trading or options selling, mornings may now have a different rhythm. Your entry planning, hedge setups, and overnight adjustments may need a slight shift. Take the first week to observe the opening behaviour before adjusting your playbook.
In Summary
The F&O pre-open session is designed to make price discovery more stable and transparent. While it may feel like an additional step at the start of the day, the long-term outcome is expected to be smoother opens and more efficient trading.
Trade smarter. Understand the change. Adapt early.