BSE19 Aug 2026noticePrepared by Complied AI

Mock Trading on Saturday, August 22, 2026, for Equity Derivatives segment

BSE notice 20260820-30 · 19 Aug 2026

BSE schedules a mock trading session for the Equity Derivatives segment on Saturday, August 22, 2026. Trading members who use third-party trading platforms or in-house systems through ETI APIs must test their applications during this session. The session allows testing of functionalities such as risk-reduction mode and trading halts. The session includes a pre-open period, continuous trading, and a stock future price band update. Trades from this session do not create margin obligations or pay-in and pay-out liabilities. Members must provide feedback to the BSE Tech Support team or Help Desk by 12:00 pm on the day of the session.

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Summary

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What changed

Who is affected: Trading members using third party trading platforms of empaneled vendors or in-house developed systems through ETI APIs
Required action: Test trading applications during the mock trading session
Submit feedback for the mock trading session by 12:00 pm
Key dates: Mock trading session date — 21 Aug 2026
Consequences: Trades from the mock session do not create margin or settlement obligations

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: 19 Aug 2026
Document number: 20260820-30
Issuing division: Trading Operations
Coverage area: securities

Document text

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NOTICE

Notice No.	20260820-30
Notice Date	20 Aug 2026
Category	Trading
Segment	Derivatives
Department	Trading Operations
Subject	Mock Trading on Saturday, August 22, 2026, for Equity Derivatives segment
Attachments	No Attachment

Exchange has scheduled a mock trading session (from PR site) in Equity Derivatives segment on Saturday August 22, 2026 as follows –

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

Trading Session	From	To
Log in	08:15 am	09:00 am
Pre-Open
Order Entry period	09:00 am	09:52 am*
Order Matching & Buffer period	09:52 am	10:00 am
Continuous Trading	10:00 am	12:10 pm
Update of Stock future price bands for alignment with CAS in Equity Segment	11:00 am^	11:05 am
Trade Modification		12:15 pm

* - Random stoppage in last 1 minute of order entry session
^ Revised price band shall be applied to the contracts sequentially starting from 11:00 am

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 12:00 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
Help Desk
bsehelp@bseindia.com

For and on behalf of BSE Ltd.,

Ketan Jantre
Head - Trading Operations

Sandeep Pujari
DVP – Trading Operations

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