The story so far
SEBI Closing Auction Launch
Tracked across 3 sources · Updated 10h ago
SEBI implemented a closing auction session for F&O stocks starting August 3, 2026, to determine closing prices. The session extends trading hours. Initial NSE trading showed turnover of Rs 1,276 crore, with top 10 stocks contributing 30%.
How it unfolded
1d ago
Closing auction debut on NSE; turnover reaches Rs 1,276 crore
2d ago
Media reports detail new market timings and closing auction rules
3d ago
SEBI announces closing auction for F&O stocks starting Aug 3
What happened earlier
Latest updates
Latest
Full story →NSE Closing Auction Turnover Hits Rs 1,276 Crore; Top 10 Stocks Drive 30% Share

NSE closing auction turnover reached Rs 1,276 crore on Monday.
Top 10 stocks accounted for 30% of the closing auction turnover.
Closing Auction Session is part of Phase 1 of SEBI's new closing price discovery framework.
The framework applies to eligible stocks as part of the new mechanism.
Earlier · 2d ago
Full story →Key Changes in Stock Market Timings From August 3: What Investors and Traders Need to Know

India's equity markets introduce Closing Auction Session for F&O stocks from August 3, 2026.
F&O stocks in cash market trade continuously until 3:15 PM, then enter Closing Auction Session until 3:35 PM.
Stock and index derivatives trading extended by 10 minutes to 3:40 PM.
Closing price for F&O stocks determined via auction-based equilibrium price instead of VWAP.
VWAP calculation window for derivatives revised to 3:10 PM–3:40 PM.
Earlier · 2d ago
Full story →New stock market timings from August 3: What has changed?
From August 3, Sebi introduces a Closing Auction Session for F&O-eligible stocks, with the auction-discovered price becoming the official closing price.
Regular trading for F&O-eligible stocks ends at 3:15pm; the Closing Auction Session runs from 3:20pm to 3:35pm, including order entry, matching, and random closure in the final two minutes.
Equity derivatives segment trading hours are extended by 10 minutes, now continuing until 3:40pm, while other segments remain unchanged.
The pre-open session is revised: order entry from 9:00am to 9:07am and order matching from 9:07am to 9:15am.
Sebi says the changes aim to ensure fair and transparent closing prices, improve execution efficiency, reduce tracking errors for passive funds, and align with global best practices.