Description

BSE releases new BOLT Pro TWS version 12.03 with technical enhancements, mandatory for Currency/Commodity/EGR segments, optional for Equity segments.

Summary

BSE announces the release of BOLT Pro TWS Version 12.03, effective September 08, 2025. This version is 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.

Key Points

  • New BOLT Pro TWS version 12.03 goes live on Monday, September 08, 2025
  • Mandatory upgrade for Currency Derivatives, Commodity Derivatives & EGR segments
  • Optional upgrade for Equity & Equity Derivatives segments
  • Technical enhancement release for improved market data stream handling
  • Available for download from Friday, September 05, 2025 at 7:00 PM
  • Mock trading session available on Saturday, September 06, 2025

Regulatory Changes

This release implements technical enhancements related to market data stream changes published in previous circulars:

  • 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, and EGR segments must upgrade to version 12.03
  • Leased line users can upgrade through Auto-Download Interface by selecting version 12.03
  • Alternative download available from BSE website at http://www.bseindia.com/help/
  • Users should follow provided installation instructions in ‘How to use this files.doc’

Important Dates

  • September 05, 2025, 7:00 PM: Download availability begins
  • September 06, 2025: Mock trading session for testing
  • September 08, 2025: Version 12.03 goes live (mandatory implementation)

Impact Assessment

Medium impact on trading operations as this is a mandatory update for specific segments. Trading members must ensure timely upgrade to maintain access to Currency Derivatives, Commodity Derivatives, and EGR trading. The technical enhancements should improve market data handling efficiency. Support available through BSE Helpdesk (022-45720400/600, 022-69158500, bsehelp@bseindia.com).

Impact Justification

Mandatory software update for certain segments affects trading operations but is primarily technical enhancement