Description

BSE has scheduled a mock trading session for Equity segment on Saturday, November 22nd, 2025 to test trading platforms and various functionalities including exceptional market conditions.

Summary

BSE has scheduled a mock trading session for the Equity segment on Saturday, November 22nd, 2025. This session is designed for trading members to test their trading platforms and applications, including third-party systems, under various market conditions and functionalities. There will be no new BOLT TWS release for this mock session. Members are encouraged to provide feedback by 5:00 PM on the day of the mock session.

Key Points

  • Mock trading session scheduled for Saturday, November 22nd, 2025
  • No new BOLT TWS release for this session
  • Trading members using third-party platforms can test their applications
  • Testing covers various functionalities including call auction sessions, risk-reduction mode, trading halt, and block deals
  • Comprehensive trading schedule from 11:15 AM to 04:20 PM
  • Feedback required from all members by 5:00 PM on the mock trading day

Trading 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 (with random stoppage in last 1 minute)
  • Matching period: 12:08 PM - 12:15 PM

Continuous Trading T+1: 12:15 PM - 04:00 PM

Continuous Trading T+0: 12:15 PM - 02:30 PM

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

  • Order Entry period: 12:00 PM - 12:45 PM (with random stoppage in last 10 minutes)
  • Matching period: 12:45 PM - 01:00 PM

Continuous Trading for SPOS Scrips: 01:00 PM - 04:00 PM

Periodic Call Auction: 12:30 PM - 03:30 PM (3 sessions of 1 hour each)

Auction for Settlement Details:

  • Offer Entry and Matching period: 01:00 PM - 01:45 PM

Afternoon Block Deal Window: 01:50 PM - 02:05 PM

Closing: 04:00 PM - 04:10 PM

Post-closing: 04:10 PM - 04:20 PM

Trade Modification T+1: 04:20 PM

Trade Modification T+0: 02:45 PM

Testing Capabilities

The mock session allows testing of:

  • Various types of call auction sessions
  • Risk-reduction mode
  • Trading halt scenarios
  • Block deals functionality
  • Exceptional market conditions
  • IPO and re-listed scrips trading
  • Periodic call auction mechanisms

Compliance Requirements

  • All trading members are encouraged to participate in the mock trading session
  • Members must provide feedback on the mock trading session by 5:00 PM on November 22nd, 2025
  • Third-party trading platform vendors and in-house system developers should utilize this opportunity for testing

Contact Information

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

Help Desk:

Relationship Managers: Available for queries and clarifications

Important Dates

  • Mock Trading Date: Saturday, November 22nd, 2025
  • Feedback Deadline: 5:00 PM on November 22nd, 2025

Impact Assessment

This is a routine mock trading session with no impact on actual market operations. The session provides trading members an opportunity to test their systems and ensure readiness for live trading. No regulatory changes or compliance obligations are introduced. The mock session is purely for system testing and validation purposes.

Impact Justification

Routine mock trading session for system testing with no impact on actual trading or market operations