Description

BSE has scheduled a mock trading session for the Equity segment on Saturday, November 08, 2025, allowing trading members to test their platforms and various functionalities including exceptional market conditions.

Summary

BSE has scheduled a mock trading session for the Equity segment on Saturday, November 08, 2025. This session allows trading members, including those using third-party trading platforms, to test their trading applications and various functionalities under simulated market conditions. There will be no new BOLT TWS Release for this session.

Key Points

  • Mock trading session scheduled for Saturday, November 08, 2025
  • Applicable to Equity segment only
  • No new BOLT TWS Release
  • Third-party trading platform users can participate
  • Testing opportunity for exceptional market conditions including call auctions, risk-reduction mode, trading halts, and block deals
  • Feedback requested by 5:00 PM on the same day

Trading Schedule

Session Timings:

  • Log-in: 11:15 AM - 11:45 AM
  • Morning Block Deal Window: 11:45 AM - 12:00 PM
  • Pre-Open Order Entry: 12:00 PM - 12:08 PM (random stoppage in last 1 minute)
  • Pre-Open Matching: 12:08 PM - 12:15 PM
  • Continuous Trading T+1: 12:15 PM - 4:00 PM
  • Continuous Trading T+0: 12:15 PM - 2:30 PM
  • Special Pre-Open for IPO & Re-listed Scrips (Order Entry): 12:00 PM - 12:45 PM (random stoppage in last 10 minutes)
  • Special Pre-Open for IPO & Re-listed Scrips (Matching): 12:45 PM - 1:00 PM
  • Continuous Trading for SPOS Scrips: 1:00 PM - 4:00 PM
  • Periodic Call Auction: 12:30 PM - 3:30 PM (3 sessions of 1 hour each)
  • Auction for Settlement Details (Offer Entry and Matching): 1:00 PM - 1:45 PM
  • Afternoon Block Deal Window: 1:50 PM - 2:05 PM
  • Closing: 4:00 PM - 4:10 PM
  • Post-Closing: 4:10 PM - 4:20 PM
  • Trade Modification T+1: Until 4:20 PM
  • Trade Modification T+0: Until 2:45 PM

Testing Functionalities

Members can test the following during the mock session:

  • Various types of call auction sessions
  • Risk-reduction mode
  • Trading halt scenarios
  • Block deals
  • Other exceptional market conditions

Compliance Requirements

  • Trading members are encouraged to participate in the mock session
  • Members must provide feedback by 5:00 PM on November 08, 2025
  • Contact Relationship Manager, BSE Helpdesk, or BSE Tech Support for queries

Important Dates

  • Mock Trading Date: Saturday, November 08, 2025
  • Feedback Deadline: 5:00 PM on November 08, 2025

Contact Information

For TWS users (third party empaneled vendors & in-house system developers):

Help Desk:

Impact Assessment

This is a routine mock trading session with no impact on actual market operations or live trading. Participation is voluntary and designed to help members test and validate their trading systems. No stocks or actual trades are affected. The session provides an opportunity for quality assurance and system readiness verification.

Impact Justification

Routine mock trading session for testing purposes with no impact on actual trading or market operations. Participation is optional for members to test their systems.