The National Stock Exchange (NSE) on October 28, 2026, notified the Mock trading Sessions on Saturday, October 31, 2026, and Sunday, November 01, 2026.
The following has been stated:
• NSE has scheduled multiple mock trading sessions on October 31 and November 1, 2026, to test system readiness and connectivity ahead of the implementation of 23.5-hour market operations from November 2, 2026. The sessions comprise Mock A1 on October 31 from 11:30 AM to 1:30 PM, Mock A2 (DR Mock) from 2:00 PM to 4:00 PM, Mock B1 from 10:00 PM on October 31 to 12:30 AM on November 1, Mock B2 from 1:00 AM to 3:00 AM, Mock B3 (contingency testing) from 3:30 AM to 5:30 AM, and Mock C from 12:00 PM to 3:00 PM on November 1. A live re-login session will also be held on November 1 from 5:00 PM to 5:30 PM to avoid login issues on the next trading day.
• Trades executed during mock sessions will not create any funds pay-in or pay-out obligations, and members must not transfer data files for these sessions. Changes made through the Exchange CEL portal on mock days or Exchange holidays will carry forward to the live environment and apply from the next trading day.
[Notification No. - NSEIFSC/TRADE/2837]