Mock Trading on Saturday, September 12, 2026, for Equity segment
BSE notice 20260910-37 · 10 Sept 2026
Official title
Mock Trading on Saturday, September 12, 2026, for Equity segment(PR & DR)
Official record
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BSE schedules a mock trading session for the Equity segment on Saturday, September 12, 2026. The session occurs at the Primary Site and the Disaster Recovery Site. Trading members test trading applications and functionalities including call auction sessions, risk-reduction mode, and block deals. This session serves for testing and familiarization purposes only. Trades from this session do not create margin, pay-in, or pay-out obligations. Members provide feedback on the session to the BSE Helpdesk or Tech Support team by 4:00 pm on the day of the session. No new BOLT TWS release occurs for this event.
What you must do
- Participate in the mock trading session
- Submit feedback on the mock trading session by 4:00 pm
Key dates
- Date of mock trading session
- 12 Sept 2026
Document text
NOTICE
| Notice No. | 20260910-37 |
|---|---|
| Notice Date | 10 Sep 2026 |
| Category | Trading |
| Segment | Equity |
| Department | Trading Operations |
| Subject | Mock Trading on Saturday, September 12, 2026, for Equity segment(PR & DR) |
| Attachments | Annexure_EQ |
The Exchange has scheduled a mock trading session for Equity segment on Saturday, September 12, 2026, from Primary Site (PR) and Disaster Recovery Site (DR).
Trading members using third party trading platforms can also use this opportunity to test their respective trading applications during mock trading session for various functionalities (including exceptional market conditions), viz. various types of call auction sessions, risk-reduction mode, trading halt, block deals, etc.
There shall be no new BOLT TWS Release.
Schedule of trading sessions shall be as below:
| TRADING SESSIONS | FROM | TO |
|---|---|---|
| Log-in | 09:15 am | 09:45 am |
| Morning Block Deal Window (PR) | 09:45 am | 10:00 am |
| Pre-Open (PR) | ||
| Order Entry period both limit and market orders | 10:00 am | 10:05 am^ |
| Order Entry only for Limit Orders | 10:05 am | 10:10 am |
| Order Entry Matching/Confirmation Period | 10:10 am | 10:12 am |
| Buffer Period | 10:12 am | 10:15 am |
| Continuous Trading T+1 (PR) | 10:15 am | 12:00 pm |
| Continuous Trading T+0 (PR) | 10:15 am | 11:30 am |
| Special Pre-Open for IPO & Re-listed scrips (PR) | ||
| · Order Entry period | 10:00 am | 10:45 am^ |
| · Matching period | 10:45 am | 11:00 am |
| Continuous Trading for SPOS Scrips (PR) | 11:00 am | 12:00 pm |
| Periodic Call Auction (1 session of 1 hour) (PR) | 10:30 am | 11:30 am |
| Switch Over to (DR) | 12:00 pm | 12:45 pm |
| Pre-Open (DR) | ||
| Order Entry period both limit and market orders | 12:45 pm | 12:50 pm^ |
| Order Entry only for Limit Orders | 12:50 pm | 12:55 pm |
| Order Entry Matching/Confirmation Period | 12:55 pm | 12:57 pm |
| Buffer Period | 12:57 pm | 01:00 pm |
| Continuous Trading T+1@(DR) | 01:00 pm | 02:45 pm |
| Continuous Trading T+0@ (DR) | 01:00 pm | 02:15 pm |
| Special Pre-Open for IPO & Re-listed scrips (DR) | ||
| · Order Entry period | 12:45 pm | 01:30 pm^ |
| · Matching period | 01:30 pm | 01:45 pm |
| Continuous Trading for SPOS Scrips (DR) | 01:45 pm | 02:45 pm |
| Periodic Call Auction (1 session of 1 hour) (DR) | 01:15 pm | 02:15 pm |
| Afternoon Block Deal Window | 02:15 pm | 02:30 pm |
| Auction for Settlement Details (DR) | ||
| Offer Entry and Matching period | 02:30 pm | 03:00 pm |
| Closing Auction | ||
| Continuous Trading session end & Reference price calculation (Transition from CTS to CAS) | 02:30 pm | 02:35 pm |
| Order Entry Period for both limit and market orders | 02:35 pm | 02:40 pm |
| Order entry period only for limit orders | 02:40 pm | 02:43 pm |
| Order Matching/Confirmation Period | 02:43 pm | 02:45 pm |
| Closing (for non-CAS securities) | 02:45 pm | 02:50 pm |
| Closing (Buffer Period for CAS securities) | 02:50 pm | 02:55 pm |
| Post- closing | 03:05 pm | 03:15 pm |
| Trade Modification T+1 | - | 03:25 pm |
| Trade Modification T+0 | 02:30 pm |
^ - Random stoppage of order entry session in last 1 minute for Periodic Call Auction
^^ - Random stoppage of order entry session in last 10 minutes for Special Pre-Open for IPO & Re-listed scrips.
* - Random stoppage of order entry in last 2 minutes & order matching period will start immediately after completion of order entry period.
Market participants may note that mock trading 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 on 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 provided below by 4:00 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
Source details
- Source
- BSE Ltd (Bombay Stock Exchange)
- Type
- notice
- Published by source
- 10 Sept 2026
- Document number
- 20260910-37
- Issuing division
- Trading Operations
- Coverage area
- securities