BSE notice 20260508-2 · 08 May 2026
Official record
Open source pageSummary
Check the official recordBSE releases BOLT Pro TWS version 13.00. This update is mandatory for all trading members in Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives, and EGR segments. The new version includes an enhancement for the display of the Indicative Close Value of Index. Trading members must upgrade to this version by May 11, 2026. Users with a Leased Line Connection can upgrade through the Auto-Download Interface. Alternatively, members can download the software from the official BSE website. The Exchange makes the version available for download starting May 8, 2026. Members can test the new version during the mock trading session on May 9, 2026.
What you must do
Key dates
| Notice No. | 20260508-2 |
|---|---|
| Notice Date | 08 May 2026 |
| Category | Trading |
| Segment | General |
| Department | Trading Development |
| Subject | Release of BOLT Pro TWS Version 13.00 |
| Attachments | Annexure |
Trading members of the Exchange are hereby informed that a new version of BOLT Pro TWS ver. 13.00 shall be released & made live with effect from Monday May 11, 2026. This new version shall be COMPULSORY version release in Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives & EGR segments.
All users using Leased Line Connection can upgrade to BOLT Pro TWS ver. 13.00, by selecting ver. 13.00 in the TWS Version tab of Auto-Download Interface on start of BOLT Pro TWS. The new version of BOLT Pro TWS ver. 13.00 shall be available for download on Friday May 8, 2026 from 7:00 pm onwards and same will be available to test on Saturday May 9, 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 –
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
May 08, 2026
Who is affected