The National Stock Exchange of India Limited (NSE), on August 21, 2026, informed all members that a mock trading session for the Futures & Options segment will be conducted from the Business Continuity Planning/Disaster Recovery (BCP/DR) site on August 22, 2026. The mock session will be followed by a re-login session from the Primary site to avoid login-related issues on August 24, 2026.
The mock session will include a pre-open session from 9:00 AM to 9:08 AM, normal market trading from 9:15 AM to 3:40 PM, and trade modification until 4:15 PM. Stock futures price bands will be updated at 3:15 PM for alignment with the Equity Cash Market. The Primary site re-login session will be conducted from 6:30 PM to 7:00 PM. No changes are required in NEAT Adapter settings, and members should retain the settings applicable as of August 21, 2026.
During the mock session, the Exchange will shift operations from the Primary site to the DR site through a non-graceful shutdown. Outstanding orders will be purged before trading begins from the BCP site, and NNF users must clear outstanding Session-1 orders. Multicast TBT sequence numbers will restart from ‘1’, while Colo Participants may experience different latencies compared with a normal trading day. Detailed operational, participation and DR switchover instructions are provided in the three annexures.
[Circular Ref. No. 117/2026]
