Release of BOLT Pro TWS Version 13.30

BSE Limited, vide Notice No. 20260730-52 dated July 30, 2026, has announced an important update regarding the release of BOLT Pro TWS Version 13.30.

Key Details of the Update –
• BSE has announced the release of BOLT Pro TWS Version 13.30, which will be made live from August 03, 2026.

• Applicability: Applicable to all trading members using BOLT Pro TWS in the Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives, and EGR segments.

• The release is a compulsory version upgrade for all applicable segments.

• Key Changes: The new version introduces changes related to the Introduction of the Closing Auction Session, effective from August 03, 2026.

• The new version will be available for download from 7:00 PM on July 31, 2026 through the Auto-Download Interface and the BSE website.

• Members using Leased Line Connection can upgrade by selecting Version 13.30 in the TWS Version tab of the Auto-Download Interface at the start of BOLT Pro TWS.

• The upgraded version will be available for testing during the mock trading session on August 01, 2026.

• Effective Date: August 03, 2026.

Actions if Any –
• Download BOLT Pro TWS Version 13.30 from the Auto-Download Interface or the BSE website from 7:00 PM on July 31, 2026.

• Install and upgrade to Version 13.30 before August 03, 2026, as the upgrade is mandatory.

• Test the upgraded version during the mock trading session on August 01, 2026.

Compliance Deadline –
• Mandatory implementation from August 03, 2026. The software will be available for download from July 31, 2026 (7:00 PM onwards) and for testing on August 01, 2026.