Applicability of Short-Term Additional Surveillance Measure
BSE notice 20260810-28 · 10 Aug 2026
Official title
Applicability of Short-Term Additional Surveillance Measure (ST-ASM)
Official record
Open source pageSummary
Check the official recordWhat changed
BSE has identified specific securities for inclusion under Stage I and Stage II of the Short-Term Additional Surveillance Measure (ST-ASM) framework. For securities under Stage I, the applicable margin rate is 50% or the existing margin, whichever is higher, capped at 100%. For securities under Stage II, the applicable margin rate is 100% or the existing margin, whichever is higher, capped at 100%. These measures apply to all open positions as of August 11, 2026, and any new positions created from August 12, 2026. The exchange clarifies that this shortlisting is a market surveillance measure and not an adverse action against the affected entities.
What you must do
- Apply the specified margin rates for securities under ST-ASM Stage I and Stage II effective from August 12, 2026.
Key dates
- Effective from
- 12 Aug 2026
Document text
[Image omitted. See the official document.]
NOTICE
| Notice No. | 20260810-28 |
| Notice Date | 10 Aug 2026 |
| Category | Trading |
| Segment | Equity |
| Department | DOSS |
| Subject | Applicability of Short-Term Additional Surveillance Measure (ST-ASM) |
| Attachments | Annexure_STASM |
[Image omitted. See the official document.]
This is further to Exchange notice no. 20240920-71 dated September 20, 2024, 20181027-1 dated October 27, 2018, 20190719-33 dated 19 Jul 2019, 20201204-56 dated 04 Dec 2020, 20230925-49 dated 25 Sep 2023 and 20240920-63 dated 20 Sep 2024 regarding revision of ASM framework.
Members are hereby requested to note that the securities as per attached Annexure I have satisfied the criteria for inclusion under ST-ASM Stage I. The applicable surveillance actions shall be as per provisions of the Short-Term Additional Surveillance Measure (ST-ASM) which are as under:
- Applicable rate of margin shall be 50% or existing margin whichever is higher, subject to maximum rate of margin capped at 100%, w.e.f. August 12, 2026 on all open positions as on August 11, 2026 and new positions created from August 12, 2026.
Securities as per attached Annexure I have satisfied the criteria for inclusion under ST-ASM Stage II. The applicable surveillance actions shall be as per provisions of the Short-Term Additional Surveillance Measure (ST-ASM) which are as under:
- Applicable margin rate shall be 100% or existing margin whichever is higher subject to maximum rate of margin capped at 100%. w.e.f. August 12, 2026 on all open positions as on August 11, 2026 and new positions created from August 12, 2026.
Market participants may note that ASM framework shall be in conjunction with all other prevailing surveillance measures being imposed by the Exchanges from time to time.
Further, it may also be noted that the shortlisting of securities under ASM 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.
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
Arpita Joshi Manager Surveillance
Source details
- Source
- BSE Ltd (Bombay Stock Exchange)
- Type
- notice
- Published by source
- 10 Aug 2026
- Document number
- 20260810-28
- Issuing division
- DOSS
- Effective date
- 12 Aug 2026
- Coverage area
- securities