BSE notice 20260521-29 · 21 May 2026
Official title
Applicability of Long Term Additional Surveillance Measure (LT-ASM)
Official record
Open source pageSummary
Check the official recordBSE imposes Long Term Additional Surveillance Measures (LT-ASM) on specific securities. The exchange applies 100% margins on open and new positions for securities in Annexure I (Part A) starting May 26, 2026. It applies a lower price band to these securities starting May 22, 2026. The exchange transfers securities in Annexure I (Part D) to T, XT, MT, or TS groups starting May 26, 2026. Securities in Annexure II move out of the LT-ASM framework starting May 22, 2026. The exchange reviews these measures periodically. These actions result from market surveillance and do not constitute adverse action against the companies. Market participants must follow these measures alongside other prevailing surveillance requirements.
What you must do
| Notice No. | 20260521-29 |
|---|---|
| Notice Date | 21 May 2026 |
| Category | Trading |
| Segment | Equity |
| Department | DOSS |
| Subject | Applicability of Long Term Additional Surveillance Measure (LT-ASM) |
| Attachments | ANNEXURE_ASMLT |
This is with reference to the Exchange notice no. 20180321-46 dated March 21, 2018 and various notices issued thereafter in this regard and the Exchange notice no. 20181027-1 dated October 27, 2018, Exchange notice no. 20201204-56 dated December 04, 2020, Exchange notice no. 20240809-46 dated August 09, 2024 and Exchange notice no. 20240920-63 dated September 20, 2024 regarding revision of LT-ASM framework. As per the revised LT-ASM framework, it may be noted that Long Term Additional Surveillance Measures (LT-ASM) as mentioned below shall be imposed on securities as per attached Annexure I (part A):
100% Margins shall be applicable w.e.f. May 26, 2026 on all open positions as on May 25, 2026 and new positions created from May 26, 2026 onwards.
Securities which are placed under the above-mentioned Framework would be reviewed on periodical basis. Further, the list of securities which are moved to their respective higher stages LT-ASM Framework, w.e.f. May 22, 2026 is given in Annexure I (Part B):
In addition, Lower Price Band shall be applicable w.e.f. May 22, 2026
Further, with reference to the Exchange notice no. 20210604-41 dated June 04, 2021, it may be noted that Long Term Additional Surveillance Measures (LT-ASM) as mentioned below shall be imposed on securities as per attached Annexure I (part D):
Securities shall be continue in LT-ASM framework but shall be transferred to T / XT / MT / TS Group w.e.f. May 26, 2026.
Securities which are placed under the above-mentioned Framework would be reviewed on periodical basis. Further, the list of securities which are moving out from LT-ASM Framework, w.e.f. May 22, 2026 is given in Annexure II.
For ready reference, consolidated list of securities under the Framework is attached as Annexure III.
Market participants may note that above Framework shall be in conjunction with all other prevailing surveillance measures being imposed by the Exchanges from time to time.
Also, it may also be noted that the shortlisting of securities under aforesaid Framework is purely on account of market surveillance, and it should not be construed as an adverse action against the concerned company/entity.
The Price Band of a scrip moving out of the framework shall be reinstated to the Price Band applicable to that scrip before it got shortlisted under the respective framework. This will be subject to the scrip not being shortlisted or part of any other Surveillance measure, in which case, the price band of the relevant surveillance framework will prevail.
Note: Shortlisting of securities is based on the XBRL submission by the respective listed companies.
In case of any clarifications, members may write to us at bse.surv@bseindia.com.
For & On behalf of BSE Ltd.
| Sanjay Jain | Arpita Joshi |
|---|---|
| Deputy Vice President | Manager |
| Surveillance | Surveillance |
Key dates
Who is affected
If you do not comply