The National Stock Exchange (NSE) on May 08, 2026, notified regarding the Mock trading on Saturday, May 09, 2026 – New version of NEAT+ 7.8.8.
The circular informs members that a mock trading session will be conducted on May 9, 2026 (Saturday) in the Capital Market segment to test systems and processes, including operations from both the Primary Site and Disaster Recovery (DR) Site. The session includes multiple phases such as pre-open, normal market, block deal windows, auction sessions, T+0 trading, and contingency periods, followed by a second session from the DR site to simulate system switchover.
A key highlight is the introduction of the new NEAT+ version 7.8.8, while version 7.8.7 will be discontinued after June 6, 2026 (post mock). Members are required to ensure compatibility by using the updated NEAT Adapter (version 1.0.27 for Windows/Linux) and appropriate ports for login in the Capital Market segment.
The circular also mentions that the Reversal Trade Cancellation Mechanism (RTCM) will be available during this mock session and will go live from May 11, 2026. Members are advised to test this functionality during the mock to ensure readiness.
Overall, the mock trading session aims to help members test system readiness, new software versions, and operational procedures, including contingency handling and DR site transition, in line with exchange requirements. Detailed instructions and guidelines are provided in annexures for smooth participation.
[Circular No: 61/2026]
