Description

BSE has scheduled a mock trading session for the Equity segment on Saturday, October 11th, 2025, allowing trading members and third-party platform users to test various trading functionalities including exceptional market conditions.

Summary

BSE has scheduled a mock trading session for the Equity segment on Saturday, October 11th, 2025. This session provides trading members using third-party platforms or in-house systems an opportunity to test their trading applications under various conditions including exceptional market scenarios such as call auction sessions, risk-reduction mode, trading halts, and block deals. There will be no new BOLT TWS release for this session.

Key Points

  • Mock trading session scheduled for Saturday, October 11th, 2025
  • Available for all trading members including those using third-party platforms
  • Tests various functionalities: call auctions, risk-reduction mode, trading halts, block deals
  • No new BOLT TWS release
  • Feedback required from members by 2:00 PM on the session day
  • Multiple trading sessions simulated: T+1, T+0, Pre-Open, Block Deals, Periodic Call Auctions

Regulatory Changes

No regulatory changes. This is a routine mock trading session for system testing purposes.

Compliance Requirements

  • Trading members are encouraged to participate in the mock session
  • Members must provide feedback by 2:00 PM on the session day
  • Contact BSE Helpdesk (022-45720400/600, 022-69158500, bsehelp@bseindia.com) or BSE Tech Support (022-22728053, bse.tech@bseindia.com) for queries
  • Members should coordinate with their respective Relationship Managers for clarifications

Important Dates

  • Mock Trading Date: Saturday, October 11th, 2025
  • Login Time: 08:15 AM - 08:45 AM
  • Morning Block Deal Window: 08:45 AM - 09:00 AM
  • Pre-Open Session: 09:00 AM - 09:15 AM
  • Continuous Trading T+1: 09:15 AM - 12:00 PM
  • Continuous Trading T+0: 09:15 AM - 11:30 AM
  • Periodic Call Auction: 09:30 AM - 11:30 AM (2 sessions of 1 hour)
  • Afternoon Block Deal Window: 10:50 AM - 11:05 AM
  • Closing Session: 12:00 PM - 12:10 PM
  • Post-Closing: 12:10 PM - 12:20 PM
  • Trade Modification T+0: 11:45 AM
  • Trade Modification T+1: 12:30 PM
  • Feedback Deadline: 2:00 PM on October 11th, 2025

Impact Assessment

Market Impact: None. This is a mock trading session with no impact on live markets or actual trading operations.

Operational Impact: Low. Optional testing opportunity for members to validate their trading systems, third-party platforms, and various functionalities under simulated market conditions including exceptional scenarios. Helps ensure system readiness and reliability for live trading.

Member Action Required: Voluntary participation encouraged. Members should utilize this opportunity to test systems and provide feedback to BSE for continuous improvement of trading infrastructure.

Impact Justification

Routine mock trading session for testing purposes with no impact on live trading or market operations. Voluntary participation for members to test systems.