Description

BSE has scheduled a mock trading session for the Equity segment on January 03, 2026, allowing members to test trading and risk management systems in compliance with SEBI requirements.

Summary

BSE has scheduled a mock trading session for the Equity segment on Saturday, January 03, 2026. This session allows trading members to test their trading and risk management systems in compliance with SEBI circular no. SEBI/HO/MRD1/DSAP/CIR/P/2020/234 dated November 24, 2020. Members may participate in either the mock trading session or UAT environment to fulfill regulatory requirements. There will be no new BOLT TWS Release for this session.

Key Points

  • Mock trading session scheduled for Equity segment on 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 including exceptional market conditions
  • Testing scenarios include call auction sessions, risk-reduction mode, trading halt, and block deals
  • No new BOLT TWS Release will be implemented
  • Feedback must be submitted by 4:30 PM on the same day

Regulatory Changes

No new regulatory changes. This circular refers to existing requirements under:

  • Exchange Notice No 20201201-22 dated December 1, 2020 regarding testing of software used in trading and risk management
  • SEBI circular no. SEBI/HO/MRD1/DSAP/CIR/P/2020/234 dated November 24, 2020

Compliance Requirements

  • Trading members must conduct periodic testing of their trading and risk management systems
  • Members can fulfill regulatory requirements by participating in either:
    • Mock trading session on January 03, 2026, OR
    • UAT (User Acceptance Testing) environment
  • Members using third-party trading platforms should utilize this opportunity to test various functionalities
  • Members must provide feedback by 4:30 PM on January 03, 2026

Important Dates

January 03, 2026 - Mock Trading Session Schedule:

  • 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)
    • 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)
    • 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 each)
  • Auction for Settlement Details: 12:00 PM - 12:45 PM (offer entry and matching)
  • 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
  • Feedback Deadline: 4:30 PM on January 03, 2026

Impact Assessment

Market Impact: None - This is a mock trading session on a Saturday with no impact on actual market operations.

Operational Impact: Low - Routine testing session that allows members to:

  • Verify system readiness and functionality
  • Test exceptional market conditions scenarios
  • Ensure compliance with SEBI requirements
  • Validate third-party trading platform integrations

Member Impact: Participation is voluntary but recommended for maintaining system integrity and regulatory compliance. Members can choose the testing method that best suits their needs (mock trading or UAT environment).

Contact Information

For queries or clarifications:

Circular Issued By:

  • Ketan Jantre, Head - Trading Operations
  • Sandeep Pujari, DVP - Trading Operations

Impact Justification

Routine mock trading session for system testing purposes with no impact on regular market operations or specific securities