Mock Trading on Saturday, May 23, 2026, for Equity Derivatives segment

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NOTICE Notice No. 20260521-10 Notice Date 21 May 2026 Category Trading Segment Derivatives Department Trading Operations Subject Mock Trading on Saturday, May 23, 2026, for Equity Derivatives segment Attachments No Attachment RESTRICTED Date : -- -- The Exchange has scheduled a mock trading session for Equity Derivatives segment on Saturday, May 23rd, 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. TRADING SESSIONS FROM TO Log-in 09:15 AM 10:00 AM Pre-Open Session Order Entry period 10:00 AM 10:07/08 AM^ Order Matching period 10:08 AM 10:12 AM Buffer period 10:12 AM 10:15 AM Continuous Trading 10:15 AM 12:00 PM ^ - Random stoppage in last 1 minute of order entry 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 01:00 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 and IML 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 Sandeep Pujari Head - Trading Operations DVP – Trading Operations