SEBI has announced an overhaul of the Closing Auction Session (CAS) framework in the equity cash market segment of stock exchanges, effective from December 7, 2026.
Under the updated framework, CAS will be implemented as a separate 10-minute session from 3:30 PM to 3:40 PM on all trading days, replacing the previous 3:15 PM to 3:35 PM timing. The new session will comprise three distinct phases.