The NSE will introduce the Closing Auction Session (CAS) framework in the equity derivatives segment from August 3, 2026. While market closing time will be extended by 10 minutes to 3:40 pm, the key change is the adoption of an auction-based mechanism to determine closing prices, aimed at improving price discovery and aligning cash and derivatives market settlements.

The National Stock Exchange (NSE) will extend equity derivatives trading hours by 10 minutes, with the market now closing at 3:40 pm, effective August 3, 2026. Pre-open and normal…

The NSE will introduce the Closing Auction Session (CAS) framework in the equity derivatives segment from August 3, 2026. While market closing time will be extended by 10 minutes…