BSE notice 20260723-30 · 24 Jul 2026
Official record
Open source pageSummary
Check the official recordBSE has scheduled a mock trading session for the Equity Derivatives segment on July 25, 2026, to test Closing Auction Session (CAS) functionalities and general trading operations. The event consists of two sessions: Session 1 from the Disaster Recovery (DR) site to test CAS-related changes, and Session 2 from the Primary (PR) site to test standard trading functionalities. Trading members are required to use BOLT Pro TWS version 13.25 and are encouraged to test third-party applications. Trades executed during these sessions do not create margin, pay-in, or pay-out obligations. Members are requested to provide feedback by 2:00 pm on the day of the session.
What you must do
Key dates
Notice No. 20260723-30 Notice Date 23 Jul 2026 Category Trading Segment Derivatives Department Trading Operations Subject Mock Trading on Saturday July 25 2026 for Equity Derivatives Segment Attachments Annexure _EQD
Exchange has scheduled a mock trading session in Equity Derivatives segment on July 25, 2026. As per circular no. 20260319-21 & 20260610-41 issued regarding introduction of Closing Auction Session (CAS) & Standard Operating Procedures, mock trading session has been scheduled as follows –
| TRADING SESSIONS | FROM | TO |
|---|---|---|
| Log-in | 07:30 am | 07:45 am |
| Pre-Open | ||
| Order Entry period | 08:00 am | 08:08 am^ |
| Order Matching & Buffer period | 08:08 am | 08:15 am |
| Continuous Trading | 08:15 am | 10:45 am |
| Update of Stock future price bands for alignment with CAS in Equity Segment | 09:00 am* |
^Random stoppage in last 1 minute of order entry session
| TRADING SESSIONS | FROM | TO |
|---|---|---|
| Log-in | 12:30 pm | 01:00 pm |
| Pre-Open | ||
| Order Entry period | 01:00 pm | 01:08 am^ |
| Order Matching & Buffer period | 01:08 pm | 01:15 pm |
| Continuous Trading | 01:15 pm | 02:00 pm |
^ - Random stoppage in last 1 minute of order entry session
Trading members using third party trading application are requested to take note and use this opportunity to test their respective trading application for CAS functionality during mock trading session.
Market participants are requested to note that the mock trading session is merely for the purpose of testing and familiarization and that the trades resulting from such mock trading will not attract any margin obligation or pay-in and pay-out obligation and will not create any rights and liabilities. Participants are requested to participate actively in the mock trading sessions.
Feedback of Mock Trading Session To be able to provide our members with a robust & efficient system for trading with better features, feedback from all members is very important. We solicit your active support and participation in this endeavor. We request all members to give their feedback for the mock trading session on the contact numbers/ email id provided below by 2:00 pm.
In case of any queries or clarifications, trading members may kindly get in touch with their respective Relationship Manager or contact either the BSE Helpdesk or the BSE Tech Support team teams for any clarification/ queries on this circular –
| TWS users (third party empaneled vendors & in-house system developers) | |
|---|---|
| BSE Tech Support | 022-22728053; bse.tech@bseindia.com |
| Help Desk | 022-45720400/600 & 022-69158500; bsehelp@bseindia.com |
For and on behalf of BSE Ltd.,
Ketan Jantre Head - Trading Operations
Sandeep Pujari DVP – Trading Operations
Who is affected
If you do not comply