Description
BSE announces the release of BOLT Pro TWS version 12.30 with technical enhancements, effective November 3, 2025. This is an optional version release for all trading segments.
Summary
BSE announces the release of BOLT Pro TWS version 12.30, which will go live on Monday, November 3, 2025. This is an optional version release applicable to Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives, and EGR segments. The new version introduces technical enhancements and will be available for download from October 31, 2025, at 7:00 PM onwards.
Key Points
- BOLT Pro TWS version 12.30 is an optional upgrade for trading members
- Applicable to all trading segments: Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives, and EGR
- Primary feature: Technical Enhancement
- Leased Line Connection users can upgrade via Auto-Download Interface by selecting version 12.30
- Alternative download available from BSE website at http://www.bseindia.com/help/
- Mock trading session available on Saturday, November 1, 2025, for testing
- BSE Helpdesk support: 022-45720400/600, 022-69158500, bsehelp@bseindia.com
Regulatory Changes
No regulatory changes. This is a technical software update.
Compliance Requirements
This is an optional software upgrade. Trading members are not required to upgrade immediately but may choose to adopt the new version based on their operational needs. Members using Leased Line connections can upgrade through the Auto-Download Interface, while others can download from the BSE website following the provided instructions.
Important Dates
- October 30, 2025: Circular announcement date
- October 31, 2025, 7:00 PM onwards: Software download availability begins
- November 1, 2025: Mock trading session for testing new version
- November 3, 2025: Official go-live date for BOLT Pro TWS version 12.30
Impact Assessment
Minimal market impact as this is an optional software upgrade focused on technical enhancements. Trading members can continue using existing versions without disruption. The availability of a mock trading session on November 1, 2025, allows members who choose to upgrade to test the new version before it goes live, ensuring smooth transition for early adopters. No changes to trading rules, compliance requirements, or market operations.
Impact Justification
Optional software update with technical enhancements only. No mandatory compliance requirements or operational changes affecting trading rules or market participants.