Description

BSE announces the release of BOLT Pro TWS version 12.30, an optional upgrade with technical enhancements, effective November 3, 2025.

Summary

BSE is releasing BOLT Pro TWS version 12.30, which will be made live from Monday, November 3, 2025. This is an optional version release applicable to Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives, and EGR segments. The update includes technical enhancements.

Key Points

  • BOLT Pro TWS version 12.30 is an OPTIONAL upgrade
  • Applicable to all major trading segments: Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives, and EGR
  • Primary functionality: Technical Enhancement
  • Available for download from October 31, 2025 at 7:00 PM onwards
  • Mock trading session available for testing on November 1, 2025
  • Leased Line Connection users can upgrade via Auto-Download Interface
  • Download also available from BSE website at http://www.bseindia.com/help/

Regulatory Changes

No regulatory changes introduced. This is a technical system update.

Compliance Requirements

No mandatory compliance requirements. Trading members may choose to upgrade at their discretion. Members upgrading should:

  • Download and install the new version following provided instructions
  • Test the system during mock trading session on November 1, 2025
  • Contact BSE Helpdesk for any queries (022-45720400/600, 022-69158500, bsehelp@bseindia.com)

Important Dates

  • October 30, 2025: Circular release date
  • October 31, 2025: Download available from 7:00 PM onwards
  • November 1, 2025: Mock trading session for testing
  • November 3, 2025: Version 12.30 goes live

Impact Assessment

Market Impact: Minimal - This is an optional software update with no impact on market operations or trading requirements.

Operational Impact: Low - Trading members can continue using existing versions. Those choosing to upgrade should allocate time for download, installation, and testing during the mock trading session. Technical enhancements may improve system performance for users who upgrade.

Impact Justification

Optional software update with technical enhancements only, no mandatory compliance requirements or market impact