Description

BSE has scheduled a mock trading session for the Equity segment on November 29th, 2025, allowing trading members and third-party platform users to test trading applications and various functionalities including exceptional market conditions.

Summary

BSE has scheduled a mock trading session for the Equity segment on Saturday, November 29th, 2025. This session is designed to allow trading members, including those using third-party trading platforms, to test their trading applications and various system functionalities. The mock session will simulate exceptional market conditions and various trading scenarios. There will be no new BOLT TWS Release associated with this mock session. Members are requested to provide feedback by 3:00 PM on the same day.

Key Points

  • Mock trading session scheduled for November 29th, 2025 (Saturday)
  • Applies to Equity segment only
  • Open to all trading members including third-party platform users
  • No new BOLT TWS Release
  • Testing opportunities include: call auction sessions, risk-reduction mode, trading halt, block deals, and other exceptional market conditions
  • Feedback required by 3:00 PM on the mock trading day
  • Complete trading schedule provided from login to post-closing

Trading Session Schedule

Log-in: 09:15 AM - 09:45 AM

Morning Block Deal Window: 09:45 AM - 10:00 AM

Pre-Open:

  • Order Entry period: 10:00 AM - 10:08 AM (random stoppage in last 1 minute)
  • Matching period: 10:08 AM - 10:15 AM

Continuous Trading:

  • T+1: 10:15 AM - 01:00 PM
  • T+0: 10:15 AM - 12:30 PM

Special Pre-Open for IPO & Re-listed Scrips:

  • Order Entry period: 10:00 AM - 10:45 AM (random stoppage in last 10 minutes)
  • Matching period: 10:45 AM - 11:00 AM

Continuous Trading for SPOS Scrips: 11:00 AM - 01:00 PM

Periodic Call Auction: 10:30 AM - 12:30 PM (2 sessions of 1 hour)

Auction for Settlement Details:

  • Offer Entry and Matching period: 11:00 AM - 11:45 AM

Afternoon Block Deal Window: 12:30 PM - 12:45 PM

Closing: 01:00 PM - 01:10 PM

Post-closing: 01:10 PM - 01:20 PM

Trade Modification:

  • T+1: Until 01:30 PM
  • T+0: 12:45 PM onwards

Testing Opportunities

The mock trading session allows members to test:

  • Various types of call auction sessions
  • Risk-reduction mode
  • Trading halt scenarios
  • Block deals execution
  • IPO and re-listed scrips trading
  • SPOS (Special Pre-Open Session) scrips
  • Settlement auction mechanisms
  • Trade modification processes
  • Other exceptional market conditions

Compliance Requirements

  • Trading members are encouraged to actively participate in the mock session
  • Members must provide feedback by 3:00 PM on November 29th, 2025
  • Feedback should be submitted via provided contact channels
  • Third-party platform vendors and in-house system developers should utilize this opportunity for comprehensive testing

Important Dates

  • Mock Trading Session: Saturday, November 29th, 2025
  • Feedback Deadline: 3:00 PM on November 29th, 2025

Contact Information

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

Help Desk:

Alternatively: Contact respective Relationship Manager

Impact Assessment

This mock trading session has minimal direct market impact as it is a testing environment separate from actual trading operations. The session benefits:

  • Trading Members: Opportunity to test and validate trading systems in a controlled environment
  • Third-party Vendors: Ability to test platform integrations and functionalities
  • BSE: Gathering feedback to enhance system robustness and efficiency
  • Market Participants: Improved preparedness for exceptional market conditions

No actual trades will be executed, and no settlement obligations will arise from this mock session. Participation is voluntary but recommended for ensuring system readiness and familiarity with various trading scenarios.

Impact Justification

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