BSE notice 20260610-41 · 11 Jun 2026
Official title
Introduction of Closing Auction Session in the Equity Segment – Detailed Operating Guidelines
Official record
Open source pageSummary
Check the official recordTrading members must follow detailed operating guidelines for the closing auction session in the equity segment. The exchange applies the closing auction session in a phased manner for stocks with available derivative contracts. The continuous trading session for eligible securities ends at 15:15, and the closing auction session runs until 15:35. The exchange determines the reference price using the volume weighted average price from 15:00 to 15:15. The price band during the closing auction session is plus or minus 3 percent from the reference price. The exchange implements the closing auction session with effect from August 3, 2026.
What you must do
Key dates
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Who is affected
Thresholds
Exceptions