Description

BSE has scheduled a mock trading session for the Equity segment on Saturday, November 08, 2025, allowing trading members and third-party platform users to test 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 is designed for trading members using both BSE BOLT TWS and third-party trading platforms to test various trading functionalities including exceptional market conditions. There will be no new BOLT TWS release for this session. Members are requested to provide feedback by 5:00 PM on the mock trading day.

Key Points

  • Mock trading session scheduled for Saturday, November 08, 2025
  • Available for all trading members including those using third-party platforms
  • No new BOLT TWS release planned
  • Testing covers various functionalities: call auction sessions, risk-reduction mode, trading halt, block deals, and exceptional market conditions
  • Comprehensive trading schedule from 11:15 AM login to 4:20 PM post-closing
  • Feedback mandatory by 5:00 PM on the same 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 (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 each)

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: Until 4:20 PM

Trade Modification T+0: Until 2:45 PM

Regulatory Changes

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

Compliance Requirements

  • Trading members are encouraged to participate in the mock trading session
  • Members must provide feedback by 5:00 PM on November 08, 2025
  • Third-party trading platform users should utilize this opportunity to test their trading applications
  • Members should test various functionalities including exceptional market conditions

Important Dates

  • November 08, 2025 (Saturday): Mock trading session
  • November 08, 2025 by 5:00 PM: Deadline for feedback submission

Contact Information

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

Help Desk:

Impact Assessment

Market Impact: None - This is a mock trading session with no real market transactions.

Operational Impact: Low - Voluntary participation for testing and validation purposes. Provides trading members an opportunity to test their systems, particularly third-party platforms, in a controlled environment before actual trading conditions. The comprehensive session schedule allows testing of all trading phases including pre-open, continuous trading, block deals, and various auction mechanisms.

Impact Justification

Routine mock trading session for testing purposes with no impact on actual trading or market participants' obligations