Description

BSE announces mandatory release of BOLT Pro TWS version 12.03 for Currency Derivatives, Commodity Derivatives & EGR segments, optional for Equity segments, effective September 8, 2025.

Summary

BSE announces the release of BOLT Pro TWS version 12.03, effective Monday, September 8, 2025. This version will be mandatory for Currency Derivatives, Commodity Derivatives, and EGR segments, while optional for Equity and Equity Derivatives segments. The update includes technical enhancements to handle changes in market data streams as per previous circulars.

Key Points

  • New BOLT Pro TWS version 12.03 goes live September 8, 2025
  • Mandatory for Currency Derivatives, Commodity Derivatives & EGR segments
  • Optional for Equity & Equity Derivatives segments
  • Technical enhancement release for improved market data stream handling
  • Available for download from September 5, 2025 at 7:00 PM
  • Mock trading session available September 6, 2025

Regulatory Changes

Implementation of enhanced market data streams as referenced in:

  • Circular 20250528-44 dated May 28, 2025
  • Circular 20250725-11 dated July 25, 2025
  • Circular 20250828-10 dated August 28, 2025

Compliance Requirements

  • Trading members using Currency Derivatives, Commodity Derivatives & EGR segments must upgrade to version 12.03
  • Leased line users can upgrade via Auto-Download Interface TWS Version tab
  • Alternative download available from BSE website at http://www.bseindia.com/help/
  • Follow specific installation instructions provided in ‘How to use this files.doc’

Important Dates

  • September 5, 2025, 7:00 PM: Download becomes available
  • September 6, 2025: Mock trading session for testing
  • September 8, 2025: Mandatory implementation date

Impact Assessment

Medium impact on trading operations requiring system upgrades for derivatives traders. Technical enhancement should improve market data handling and system performance. Trading members need to plan upgrade activities and testing during the mock session to ensure smooth transition.

Impact Justification

System upgrade affecting trading platform functionality with mandatory implementation for derivatives segments