Applicability of Long Term Additional Surveillance Measure
BSE notice 20260814-37 · 13 Aug 2026
Official title
Applicability of Long Term Additional Surveillance Measure (LT-ASM)
Official record
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BSE imposes Long Term Additional Surveillance Measures (LT-ASM) on specific securities. For securities in Annexure I (Part A), the exchange applies 100% margins on open and new positions starting August 19, 2026. For securities in Annexure I (Part B), the exchange applies a lower price band starting August 17, 2026. Securities in Annexure I (Part D) transfer to T, XT, MT, or TS groups starting August 19, 2026. Securities in Annexure II move out of the LT-ASM framework starting August 17, 2026. The exchange reviews these measures periodically. These actions result from market surveillance and do not represent adverse actions against the companies. Market participants must follow these measures alongside other existing surveillance requirements.
- Who is affected
- Market participants trading in securities listed under the LT-ASM framework.
- Required action
- Maintain 100% margins for securities in Annexure I (Part A) starting August 19, 2026.
- Key dates
- Effective date for lower price band and removal of securities from framework. — 16 Aug 2026
- Effective date for 100% margin requirements and group transfers. — 18 Aug 2026
- Consequences
- Securities in Annexure I (Part D) transfer to T, XT, MT, or TS groups.
Source details
- Source
- BSE Ltd (Bombay Stock Exchange)
- Type
- notice
- Published by source
- 13 Aug 2026
- Document number
- 20260814-37
- Issuing division
- DOSS
- Effective date
- 16 Aug 2026
- Coverage area
- securities
Document text
NOTICE
| Notice No. | 20260814-37 |
| Notice Date | 14 Aug 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. August 19, 2026 on all open positions as on August 18, 2026 and new positions created from August 19, 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. August 17, 2026 is given in Annexure I (Part B):
In addition, Lower Price Band shall be applicable w.e.f. August 17, 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. August 19, 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. August 17, 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 Deputy Vice President Surveillance
Shreya Ghose Manager Surveillance
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