The National Stock Exchange of India Limited (NSE) on July 23, 2026, issued a circular regarding Mock trading on Saturday, July 25, 2026 – Testing of Trading modalities related to the introduction of Closing Auction Session (CAS) in the Equity Cash segment.
The following has been stated:-
•NSE will conduct a mock trading session in the Capital Market segment on July 25, 2026 to test the introduction of the Closing Auction Session (CAS) in the Equity Cash segment.
•Members must use NEATPlus version 7.8.9 only for Trading Session-1, and revert to version 7.8.8 for Trading Sessions 2 and 3 and live trading from July 27, 2026.
•The mock includes three trading sessions across the Primary and Disaster Recovery (DR) sites, with updated master files and detailed operational guidelines.
•Trades executed during the mock session will not result in any financial obligations, and members are advised to participate in all sessions and re-log in to the live environment after testing.
[Circular No:103/2026]
