The story so far
SEBI Closing Auction Launch
Tracked across 5 sources · Updated 2h ago
Starting August 3, 2026, India's stock exchanges introduced SEBI's Closing Auction Session for F&O stocks, altering closing price determination. The debut caused Nifty and Sensex divergence, a spike in closing prices, and record auction turnover. Exchanges clarified the divergence as due to the new mechanism, which replaces the VWAP method.
How it unfolded
9h ago
NSE clarifies spot-futures divergence due to new mechanism
1d ago
Closing auction debut: Nifty jumps, turnover Rs 1,276 crore
2d ago
Media reports new market timings and auction rules
3d ago
SEBI announces closing auction for F&O stocks from 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 · 3d 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.