Topic
closing auction
Business Sebi says no closing auction rollback, tells brokers to display CAS prices
Sebi has ruled out rolling back the newly introduced Closing Auction Session (CAS) despite teething troubles, telling large brokers to create investor awareness and display CAS prices on their platforms, according to a Business Today report. The regulator's position emerged as market participants flagged a sharp Nifty 50 spike on NSE after normal trading and NSE-BSE price divergence.
Business Nifty, Sensex Diverge as SEBI's Closing Auction Session Reshapes India Stock Market Timing
India's key benchmarks Nifty50 and BSE Sensex diverged sharply on August 3, 2026, after SEBI's new Closing Auction Session split market closing timings. From 3:15 PM, F&O stocks enter a 20-minute auction that sets closing prices by equilibrium volume, while other stocks continue trading until 3:30 PM under the old VWAP method.
Business NSE to Introduce Closing Auction Session for Closing Price Discovery from Tomorrow
The National Stock Exchange will introduce a Closing Auction Session from tomorrow, changing closing price discovery for eligible F&O stocks. The new framework extends derivatives trading by 10 minutes and replaces the VWAP-based closing price calculation.