Mock Trading for Equity Segment

Official title

Mock Trading on Saturday, August 08, 2026, for Equity segment

Official record

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What changed

BSE has scheduled a mock trading session for the Equity segment on August 08, 2026. The session is intended for trading members using third-party trading platforms or in-house systems via ETI APIs to test functionalities, including risk-reduction modes and trading halts. The schedule includes various sessions such as Pre-Open, Continuous Trading, Periodic Call Auction, and Closing Auction. Members are requested to provide feedback on the session by 2:00 PM on the day of the mock trading. No new BOLT TWS release is associated with this session.

Who is affected
  • Trading members using third-party trading platforms of empaneled vendors or in-house developed systems through ETI APIs.
Required action
  • Provide feedback on the mock trading session by 2:00 PM.
Key dates
  • Mock trading session date — 07 Aug 2026

Prepared automatically from the captured official document and checked against source evidence. This is not an independent professional review. See how briefs are prepared. Verify material decisions against the official record.

Source details

Source
BSE Ltd (Bombay Stock Exchange)
Type
notice
Published by source
06 Aug 2026
Document number
20260807-9
Issuing division
Trading Operations
Coverage area
securities

Document text

Prepared for reading; wording retained from the source.

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NOTICE

Notice No.20260807-9
Notice Date07 Aug 2026
CategoryTrading
SegmentEquity
DepartmentTrading Operations
SubjectMock Trading on Saturday, August 08, 2026, for Equity segment
AttachmentsNo Attachment

The Exchange has scheduled a mock trading session for Equity segment on August 08, 2026

Trading members using third party trading platforms of empaneled vendors or in-house developed systems through 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.

There shall be no new BOLT TWS Release.

Schedule of trading sessions shall be as below:

TRADING SESSIONSFROMTO
Log-in9:15 AM9:45 AM
Block Deal Window (Session 1)9:45 AM10:00 AM
Pre-Open
· Order Entry period10:00 AM10:08 AM^
· Matching & buffer period10:08 AM10:15 AM
Continuous Trading T+110:15 AM12:00 PM
Continuous Trading T+010:15 AM11.30 AM
Special Pre-Open for IPO & Re-listed scrips#
· Order Entry period10:00 AM10:45 AM^^
· Matching & buffer period10:45 AM11:00 AM
Continuous Trading# for SPOS Scrips11:00 AM12:00 PM
Periodic Call Auction (1 sessions of 1 hour ) ^10:30 AM11:30 AM
Auction for Settlement Details
Offer Entry and Matching period11:05 AM11:40 AM
Closing Auction Session
Continuous Trading session end & Reference price calculation (Transition from CTS to CAS)11:45 AM11:50 AM
Order Entry Period for both limit and market orders11:50 AM11:55 AM
Order entry period only for limit orders11:55 AM12:00 PM*
Order Matching/Confirmation Period12:00 PM*12:05 PM
Closing (for non-CAS securities)12:00 PM12:20 PM
Closing (Buffer Period for CAS securities)12:05 PM12:20 PM
Post- closing12:20 PM12:30 PM
Trade Modification T+112:45 PM
Trade Modification T+011:45 AM

^ - Random stoppage of order entry session in last 1 minute for Pre-Open session & 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.

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 Support022-22728053; bse.tech@bseindia.com
Help Desk022-45720400/600 & 022-69158500; bsehelp@bseindia.com

For and on behalf of BSE Ltd.,

Ketan Jantre Head - Trading Operations

Sandeep Pujari DVP – Trading Operations

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