New Delhi, May 30 -- The National Stock Exchange (NSE) is set to alter its equity derivatives trading schedule, pushing back the standard closing time for futures and options (F&O) contracts by 10 minutes starting August 3, 2026. This adjustment follows the implementation of a new Closing Auction Session (CAS) within the equity cash market.

An official circular from the NSE notes that the standard closing bell for the equity derivatives segment will shift from 3:30 pm to 3:40 pm. Meanwhile, the deadline for trade modifications will remain locked at 4:15 pm.

This strategic shift is designed to sync derivatives trading with the cash market's fresh Closing Auction Session. Operating between 3:15 pm and 3:35 pm, this cash session will estab...