The National Stock Exchange (NSE) on June 05, 2026, issued Mock Trading Session in Capital Market Segment on June 06, 2026.
The Exchange will conduct a mock trading session in the Capital Market (CM) segment on June 06, 2026, covering multiple trading phases including block deal windows, pre-open sessions, normal trading, T+0 market, call auction, auction market, and contingency sessions during the primary site session, followed by a second session from the Disaster Recovery (DR) site. The schedule also includes closing session, trade modification window, and re-login timings from 16:00 to 16:30.
Members are required to adopt NEAT Adapter version 1.0.29 (Windows/Linux) along with updated ports (notably 10831) which will become mandatory from July 06, 2026 (mock). A new CA certificate must also be downloaded and implemented by members using direct NNF connections, with migration readiness to be ensured by the same date.
Additionally, NEAT+ version 7.8.7 will be discontinued from June 06, 2026, and members should transition to version 7.8.8. The circular also specifies updated network parameters and enhanced ports supporting new encryption features and order acknowledgements.
Members are advised to follow annexures for detailed operational instructions, mock participation guidelines, and DR site switchover procedures.
[Circular No: 76/2026]
