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BSE has scheduled a mock trading session for the Equity Derivatives segment on August 01, 2026. This session allows trading members to test their trading applications, including third-party platforms and in-house systems, for functionalities such as the Closing Auction Session, risk-reduction mode, and trading halts. Participation helps members fulfill regulatory testing requirements. Trades executed during this session are for testing and familiarization purposes only; they do not create margin, pay-in, or pay-out obligations, nor do they establish legal rights or liabilities. Members are encouraged to participate actively and submit feedback to the Exchange by 04:30 pm on the day of the session.
What you must do
Key dates
Who is affected
If you do not comply
Ask about this notice
[Image omitted. See the official document.]
| Notice No. | 20260730-36 |
| Notice Date | 30 Jul 2026 |
| Category | Trading |
| Segment | Derivatives |
| Department | Trading Operations |
| Subject | Mock Trading on Saturday, August 01, 2026, for Equity Derivatives segment |
| Attachments | No Attachment |
[Image omitted. See the official document.]
Exchange has scheduled a mock trading session (from PR site) in Equity Derivatives segment on August 01, 2026. As per circular no. 20260319-21, 20260610-41 & 20260728-42 issued regarding introduction of Closing Auction Session (CAS) & Standard Operating Procedures applicable from Monday 03 August 2026, mock trading session has been scheduled as follows –
Members are also requested to refer to Exchange Notice No 20201201-22 dated 1st December'2020 regarding Testing of software used in or related to Trading and Risk Management. Members may choose to participate either in Mock Trading Session or UAT environment for fulfilling their regulatory requirements in accordance to SEBI circular no. SEBI/HO/MRD1/DSAP/CIR/P/2020/234 dated November 24, 2020
Trading members using third party trading platforms of empaneled vendors or in-house developed systems through IML/ETI APIs can use this opportunity to test their respective trading application during mock trading session for various functionalities (including exceptional market conditions), viz. risk-reduction mode, trading halt, etc.
A. Mock Trading Session
| TRADING SESSIONS | FROM | TO |
|---|---|---|
| Log-in | 08:15 am | 09:00 am |
| Pre-Open | ||
| Order Entry period | 09:00 am | 09:08 am^ |
| Order Matching & Buffer period | 09:08 am | 09:15 am |
| Continuous Trading | 09:15 am | 03:40 pm |
| Update of Stock future price bands for alignment with CAS in Equity Segment | 03:15 pm* | |
| Trading Modification | 04:15 pm |
^Random stoppage in last 1 minute of order entry session
B. Trading members are requested to note following Important points –
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 04:30 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
