Description

BSE has scheduled a mock trading session for the Equity segment on Saturday, January 03, 2026, allowing members to test trading systems and fulfill regulatory requirements.

Summary

BSE has scheduled a mock trading session for the Equity segment on Saturday, January 03, 2026. Members can participate in either the mock trading session or UAT environment to fulfill regulatory requirements as per SEBI circular SEBI/HO/MRD1/DSAP/CIR/P/2020/234 dated November 24, 2020. Trading members using third-party platforms can test various functionalities including exceptional market conditions, call auction sessions, risk-reduction mode, trading halts, and block deals. There will be no new BOLT TWS Release.

Key Points

  • Mock trading session scheduled for Saturday, January 03, 2026
  • Members can choose between mock trading or UAT environment for regulatory compliance
  • Third-party trading platform users can test various functionalities during the session
  • No new BOLT TWS Release will be implemented
  • Members must provide feedback by 4:30 PM on the session day
  • Reference to Exchange Notice No 20201201-22 dated December 1, 2020 regarding testing of trading and risk management software

Regulatory Changes

No new regulatory changes. This circular facilitates compliance with existing SEBI circular no. SEBI/HO/MRD1/DSAP/CIR/P/2020/234 dated November 24, 2020 regarding testing requirements for trading and risk management systems.

Compliance Requirements

  • Trading members must participate in either mock trading session or UAT environment to meet SEBI regulatory requirements
  • Members should test their trading applications for various functionalities including exceptional market conditions
  • Feedback must be submitted by 4:30 PM on January 03, 2026 to BSE Helpdesk or Tech Support
  • Members should refer to Exchange Notice No 20201201-22 dated December 1, 2020

Important Dates

  • January 03, 2026: Mock trading session
  • 4:30 PM on January 03, 2026: Deadline for feedback submission

Mock Trading Session Timings:

  • Log-in: 10:15 AM - 10:45 AM
  • Morning Block Deal Window: 10:45 AM - 11:00 AM
  • Pre-Open Order Entry: 11:00 AM - 11:08 AM (random stoppage in last 1 minute)
  • Pre-Open Matching: 11:08 AM - 11:15 AM
  • Continuous Trading T+1: 11:15 AM - 03:30 PM
  • Continuous Trading T+0: 11:15 AM - 01:30 PM
  • Special Pre-Open for IPO & Re-listed scrips Order Entry: 11:00 AM - 11:45 AM (random stoppage in last 10 minutes)
  • Special Pre-Open Matching: 11:45 AM - 12:00 PM
  • Continuous Trading for SPOS Scrips: 12:00 PM - 03:30 PM
  • Periodic Call Auction: 11:30 AM - 03:30 PM (4 sessions of 1 hour)
  • Auction for Settlement Details: 12:00 PM - 12:45 PM
  • Afternoon Block Deal Window: 01:30 PM - 01:45 PM
  • Closing: 03:30 PM - 03:40 PM
  • Post-closing: 03:40 PM - 03:50 PM
  • Trade Modification T+1: Until 04:00 PM
  • Trade Modification T+0: Until 01:45 PM

Impact Assessment

Market Impact: None - this is a mock trading session on a Saturday with no impact on regular trading operations.

Operational Impact: Low - provides opportunity for members to test their trading systems and ensure compliance with regulatory requirements. Members can test various functionalities including exceptional market conditions, different types of call auctions, risk-reduction mode, trading halts, and block deals.

Contact Information:

Impact Justification

Routine mock trading session for system testing with no impact on regular trading or specific stocks