The Bombay Stock Exchange (BSE) on September 03, 2026, notified mock trading on Saturday, September 05, for the Equity segment.
The Exchange has scheduled a mock trading session for the Equity Segment on Saturday, September 05, 2026, to test modifications to the Pre-open Call Auction Session, which will apply to live trading from September 07, 2026. The session will cover Block Deal Windows, revised Pre-open sessions, T+1 and T+0 trading, Special Pre-open for IPO/re-listed securities, Periodic Call Auctions, Closing Auction and Post-closing, with trading running up to 04:00 PM and trade modification at 04:15 PM for T+1 securities. BOLT Pro TWS Version 13.50 will be used for the mock session and live trading from September 07, 2026. For CAS-eligible securities, the closing reference price will be based on the VWAP of trades executed between 03:00 PM and 03:15 PM.
Members using third-party trading applications are advised to use the session to test the revised pre-open mechanism and other functionalities such as call auctions, risk-reduction mode, trading halt and block deals. The mock trades are solely for testing and familiarisation and will not attract margin, pay-in or pay-out obligations or create any rights or liabilities.
[Notification No. – 20260903-36]
