Description

BSE has scheduled a mock trading session for the Equity Derivatives segment on April 18, 2026, covering both Primary Site (PR) and Disaster Recovery Site (DR) with a detailed session schedule.

Summary

BSE has scheduled a mock trading session for the Equity Derivatives segment on Saturday, April 18, 2026. The session will run from both the Primary Site (PR) and Disaster Recovery Site (DR), providing trading members an opportunity to test their trading applications, including third-party and in-house systems via ETI APIs, under various market conditions.

Key Points

  • Mock trading covers the Equity Derivatives segment on April 18, 2026 (Saturday)
  • Sessions run from both Primary Site (PR) and Disaster Recovery Site (DR)
  • New BOLT Pro TWS version 12.60 will be released; details via separate circular
  • No real margin obligations, pay-in/pay-out obligations, or legal rights/liabilities arise from mock trades
  • Members are requested to provide feedback by 3:00 pm on the same day
  • Trading members can test functionalities including risk-reduction mode and trading halt scenarios

Regulatory Changes

No regulatory changes. This is a scheduled operational/testing exercise.

Compliance Requirements

  • Trading members using third-party empaneled vendor platforms or in-house systems via ETI APIs are encouraged to participate actively
  • Feedback to be submitted to BSE Tech Support or BSE Helpdesk by 3:00 pm on April 18, 2026
  • Contact for TWS/ETI queries: BSE Tech Support — 022-22728053 / bse.tech@bseindia.com
  • Contact for general queries: BSE Helpdesk — 022-45720400/600 & 022-69158500 / bsehelp@bseindia.com

Important Dates

  • April 18, 2026 (Saturday): Mock trading session for Equity Derivatives segment
  • 3:00 pm, April 18, 2026: Deadline for submitting feedback on the mock trading session

Session Schedule

SessionFromTo
Log-in08:15 am09:00 am
Pre-Open Order Entry (PR)09:00 am09:07/08 am
Pre-Open Order Matching (PR)09:08 am09:12 am
Buffer Period (PR)09:12 am09:15 am
Continuous Trading (PR)09:15 am11:00 am
Switchover to DR11:00 am
Pre-Open Order Entry (DR)10:45 am11:52/53 am
Pre-Open Order Matching (DR)11:53 am11:57 am
Buffer Period (DR)11:57 am12:00 pm
Continuous Trading (DR)12:00 pm01:45 pm
Trade Modification02:00 pm

Impact Assessment

This is a routine mock/test trading session with no financial impact on market participants. Trades executed during the session do not create any margin obligations or settlement obligations. The session is primarily relevant to trading members wishing to test their systems ahead of live trading. The release of BOLT Pro TWS version 12.60 may require attention from members using this platform.

Impact Justification

Routine mock trading session for system testing and familiarization; no real trades, margins, or obligations are created. Relevant only to trading members using ETI APIs or third-party platforms.