Laws and sections by number or title, due dates, pages, and updates.
BSE schedules a mock trading session for the Equity segment on November 14, 2026, from the Primary Site. Trading members may use this session to test trading applications and functionalities including call auction sessions, risk-reduction mode, and block deals. This session allows members to fulfill regulatory requirements for software testing. Trades from this session do not create margin, pay-in, or pay-out obligations. Members must provide feedback on the session by 4:30 pm on the same day. The exchange will release a new version of the BOLT Pro TWS software.
What you must do
Key dates
Who is affected
If you do not comply
Ask about this notice
| Notice No. | 20261113-4 |
| Notice Date | 13 Nov 2026 |
| Category | Trading |
| Segment | Equity |
| Department | Trading Operations |
| Subject | Mock Trading on Saturday, November 14, 2026, for Equity segment |
| Attachments | No Attachment |
The Exchange has scheduled a mock trading session for Equity segment on Saturday, November 14, 2026, from Primary Site (PR).
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 can also use this opportunity to test their respective trading application 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.
New BOLT Pro TWS version 13.80 shall be released. Details for same shall be published via separate circular.
Mock Trading Session timings -
| TRADING SESSIONS | FROM | TO |
|---|---|---|
| Log-in | 10:15 am | 10:45 am |
| Morning Block Deal Window | 10:45 am | 11:00 am |
| Pre-Open | ||
| $\cdot$ Order Entry period both limit and market orders | 11:00 am | 11:05 am^ |
| $\cdot$ Order Entry only for Limit Orders | 11:05 am | 11:10 am |
| Order Entry Matching/Confirmation Period | 11:10 am | 11:12 am |
| Buffer Period | 11:12 am | 11:15 am |
| Continuous Trading T+1 | 11:15 am | 03:30 pm |
| Continuous Trading T+0 | 11:15 am | 01:30 pm |
| Special Pre-Open for IPO & Re-listed scrips | ||
| $\cdot$ Order Entry period | 11:00 am | 11:45 am^ |
| $\cdot$ Matching period | 11:45 am | 12:00 pm |
| Continuous Trading for SPOS Scrips | 12:00 pm | 03:30 pm |
| Periodic Call Auction (4 session of 1 hour) | 11:30 am | 03:30 pm |
| Auction for Settlement Details | ||
| Offer Entry and Matching period | 12:30 pm | 01:00 pm |
| Afternoon Block Deal Window | 01:30 pm | 01:45 pm |
| Closing Auction | ||
| Continuous Trading session end & Reference price calculation (Transition from CTS to CAS) | 03:15 pm | 03:20 pm |
| Order Entry Period for both limit and market orders | 03:20 pm | 03:25 pm |
| Order entry period only for limit orders | 03:25 pm | 03:30 pm |
| Order Matching/Confirmation Period | 03:30 pm | 03:35 pm |
| Closing (for non-CAS securities) | 03:30 pm | 03:50 pm |
| Closing (Buffer Period for CAS securities) | 03:35 pm | 03:50 pm |
| Post- closing | 03:50 pm | 04:00 pm |
| Trade Modification T+1 | - | 04:15 pm |
| Trade Modification T+0 | 01:45 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 endeavour. We request all members to give their feedback for the mock trading session on the contact numbers/ email provided below by 4:30 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 empanelled 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
