The National Stock Exchange of India Limited (NSE) on September 03, 2026, issued a circular regarding Operational guidelines and Standard Operating Procedure (SOP) on the introduction of the Closing Auction Session (CAS) in the Equity Cash Segment.
The following has been stated: -
•NSE has extended the Closing Auction Session (CAS) price-band framework to index futures, in addition to stock futures, effective September 07, 2026.
•The reference price will be based on VWAP from 3:00–3:15 PM, or LTP/theoretical price where applicable.
•From 3:15–3:40 PM, futures will have a ±3% price band linked to the CAS reference price, with dynamic flexing not applicable.
•LPP ranges for stock and index futures will also be recalibrated from 3:15 PM; all other provisions remain unchanged.
[Circular Ref. No:124/2026]
