The National Stock Exchange (NSE IX) on August 18, 2026, issued a notification regarding a mock trading (contingency) session on Saturday, August 22, 2026, to test its trading infrastructure, recovery and response mechanisms, and enable members to verify connectivity ahead of the next live trading day.
The following has been stated:
The mock trading session will cover Index Futures, Index and Single Stock Options/Futures, Currency Futures & Options, Depository Receipts, Bharat Bond Index, Equity and NSEIFSC Receipts, with specified trading schedules across Session 1 and Session 2.
Members are required to actively participate in the mock trading session through all trading software and complete the live re-login process between 20:00 hrs. and 20:30 hrs. to verify connectivity and avoid login issues on August 24, 2026.
Trades executed during the mock session will not attract any funds pay-in or pay-out obligations, and members have been advised not to transfer any data files for the session. Changes made on the Exchange CEL portal during the mock day will be carried forward to the live environment.
Please refer to the document attached below for more details.
[Circular Ref. No. 243/2026]
