Description

BSE has scheduled a mock trading session for the Equity segment on Saturday, November 22, 2025, allowing trading members to test their trading applications and various functionalities including exceptional market conditions.

Summary

BSE has scheduled a mock trading session for the Equity segment on Saturday, November 22, 2025. This session is designed to allow trading members, including those using third-party trading platforms, to test their trading applications and various functionalities. The mock session will simulate exceptional market conditions including 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, November 22, 2025
  • Available for all trading members including third-party platform users
  • No new BOLT TWS release
  • Opportunity to test exceptional market conditions and various functionalities
  • Comprehensive trading schedule covering all session types (T+1, T+0, IPO, block deals, auctions)
  • Feedback requested from all members by 5:00 PM on the same day

Trading Session Schedule

Login: 11:15 AM - 11:45 AM

Morning Block Deal Window: 11:45 AM - 12:00 PM

Pre-Open:

  • Order Entry period: 12:00 PM - 12:08 PM (random stoppage in last 1 minute)
  • Matching period: 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 period: 12:00 PM - 12:45 PM (random stoppage in last 10 minutes)
  • Matching period: 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)

Auction for Settlement Details:

  • Offer Entry and Matching period: 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: 4:20 PM

Trade Modification T+0: 2:45 PM

Testing Functionalities

Trading 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 actively participate in the mock trading session
  • Members should test their trading applications and systems comprehensively
  • Feedback must be submitted by 5:00 PM on November 22, 2025
  • Members should contact their Relationship Manager or BSE support for any queries

Important Dates

  • Mock Trading Session Date: Saturday, November 22, 2025
  • Feedback Deadline: 5:00 PM on November 22, 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. The session is purely for testing and validation purposes, allowing trading members to ensure their systems are functioning correctly and can handle various market scenarios. The impact is operational and technical in nature, benefiting trading members by providing a risk-free environment to test their systems and identify potential issues before they affect live trading.

Impact Justification

Routine mock trading session for testing purposes with no impact on actual trading or market operations. Primarily operational/technical in nature.