Description

BSE announces release of BOLT Pro TWS version 12.30 as an optional upgrade across all segments, effective November 3, 2025, featuring technical enhancements.

Summary

BSE is releasing BOLT Pro TWS version 12.30 effective Monday, November 3, 2025. This is an optional version upgrade available for Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives, and EGR segments. The update focuses on technical enhancements and will be available for download from October 31, 2025 (7:00 PM onwards) and can be tested during the mock trading session on November 1, 2025.

Key Points

  • New BOLT Pro TWS version 12.30 is an OPTIONAL release
  • Applicable to all segments: Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives & EGR
  • Primary feature: Technical Enhancement
  • Download available from October 31, 2025 at 7:00 PM
  • Testing available during mock trading session on November 1, 2025
  • Users with Leased Line Connection can auto-upgrade via TWS Version tab
  • Manual download available from BSE website (http://www.bseindia.com/help/)

Regulatory Changes

No regulatory changes. This is a technical software update only.

Compliance Requirements

This is an optional upgrade. Trading members are not required to upgrade immediately but have the option to do so. Members choosing to upgrade should:

  • Download the update from the BSE website or use auto-download feature
  • Follow installation instructions provided in ‘How to use this files.doc’
  • Test the new version during the 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 notice date
  • October 31, 2025: Version 12.30 available for download from 7:00 PM onwards
  • November 1, 2025: Mock trading session for testing new version
  • November 3, 2025: Version 12.30 goes live (optional upgrade)

Impact Assessment

Market Impact: Minimal - This is an optional software upgrade with no mandatory implementation requirements.

Operational Impact: Low - Trading members can continue using existing versions. Those who choose to upgrade will benefit from technical enhancements. The optional nature allows members to upgrade at their convenience without disrupting trading operations.

Technical Impact: The update provides technical enhancements to the BOLT Pro TWS platform, potentially improving system performance and stability for users who choose to upgrade.

Impact Justification

Optional software update with technical enhancements only, no regulatory changes or compliance requirements, affects trading infrastructure but not market operations