Release of BOLT Pro TWS Version 13.30
BSE notice 20260730-52 · 30 Jul 2026
Official record
Open source pageSummary
Check the official recordWhat changed
BSE has announced the mandatory release of BOLT Pro TWS version 13.30, effective August 3, 2026. This update applies to the Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives, and EGR segments. The new version introduces functionality related to the Closing Auction Session. Trading members using Leased Line Connections can upgrade via the Auto-Download Interface or by downloading the update from the BSE website. The software will be available for download starting July 31, 2026, and can be tested during the mock trading session on August 1, 2026.
What you must do
- Upgrade to BOLT Pro TWS version 13.30
Key dates
- Availability for download
- 31 Jul 2026
- Mock trading session testing
- 01 Aug 2026
Document text
NOTICE
| Notice No. | 20260730-52 |
|---|---|
| Notice Date | 30 Jul 2026 |
| Category | Trading |
| Segment | General |
| Department | Trading Development |
| Subject | Release of BOLT Pro TWS Version 13.30 |
| Attachments | Annexure |
Trading members of the Exchange are hereby informed that a new version of BOLT Pro TWS ver. 13.30 shall be released & made live with effect from Monday August 3, 2026. This new version shall be COMPULSORY version release in Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives & EGR segments.
Functionality introduced as a part of BOLT Pro TWS ver. 13.30
- Changes related to Introduction of Closing Auction Session effective from 03 August 2026
Download BOLT Pro TWS ver. 13.30
All users using Leased Line Connection can upgrade to BOLT Pro TWS ver. 13.30, by selecting ver. 13.30 in the TWS Version tab of Auto-Download Interface on start of BOLT Pro TWS. The new version of BOLT Pro TWS ver. 13.30 shall be available for download on Friday July 31,2026 from 7:00 pm onwards and same will be available to test on Saturday August 1, 2026, during mock trading session.
The new version can also be downloaded from the Exchange website. Steps to download BOLT Pro TWS version from website are given below –
- Browse web-link - http://www.bseindia.com/help/ to download the version.
- Click on the link – “Update.zip”
- ‘Software Update.zip’ will be downloaded
- Unzip the file
- Read the document ‘How to use this files.doc’. As per the instructions given in the document, please copy the respective files where BOLT Pro TWS is installed.
In case of any queries or further clarification, trading members may kindly get in touch with the BSE Helpdesk as follows –
| TWS users | |
|---|---|
| BSE Helpdesk | 022-45720400/600 & 022- 69158500 |
| bsehelp@bseindia.com |
For and on behalf of BSE Ltd.,
Tejash Somaiya Vice President Trading Development
Omkar Wanage Deputy Vice President Trading Development
July 30, 2026
Source details
- Source
- BSE Ltd (Bombay Stock Exchange)
- Type
- notice
- Published by source
- 30 Jul 2026
- Document number
- 20260730-52
- Issuing division
- Trading Development
- Effective date
- 03 Aug 2026
- Coverage area
- securities