BSE16 Aug 2026noticePrepared by Complied AI

Applicability of Long Term Additional Surveillance Measure

BSE notice 20260817-36 · 16 Aug 2026

Official title

Applicability of Long Term Additional Surveillance Measure (LT-ASM)

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Summary

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What changed

BSE updates the Long Term Additional Surveillance Measure framework for specific securities. The exchange imposes 100 percent margins on open positions as of August 19, 2026, and on new positions from August 20, 2026. Certain securities move to higher stages of the framework effective August 18, 2026, with a lower price band applied from that date. Other securities transfer to T, XT, MT, or TS groups effective August 20, 2026. Some securities exit the framework effective August 18, 2026, and their price bands revert to previous levels. These measures apply in addition to existing surveillance rules. The exchange reviews these securities periodically. This action results from market surveillance and does not indicate adverse action against the companies.

Who is affected: Market participants trading in equity securities.
Required action: Maintain 100 percent margins on specified open and new positions.
Key dates: Effective date for higher stage movement and lower price band application. — 17 Aug 2026
Effective date for 100 percent margin requirement and group transfers. — 19 Aug 2026
Thresholds: 100 percent margin requirement.
Consequences: Transfer of securities to T, XT, MT, or TS groups.

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Source details

Source: BSE Ltd (Bombay Stock Exchange)
Type: notice
Published by source: 16 Aug 2026
Document number: 20260817-36
Issuing division: DOSS
Coverage area: securities

Document text

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NOTICE

Notice No.	20260817-36
Notice Date	17 Aug 2026
Category	Trading
Segment	Equity
Department	DOSS
Subject	Applicability of Long Term Additional Surveillance Measure (LT-ASM)
Attachments	ANNEXURE_ASMLT

[Image omitted. See the official document.]

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 20, 2026 on all open positions as on August 19, 2026 and new positions created from August 20, 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 18, 2026 is given in Annexure I (Part B):

In addition, Lower Price Band shall be applicable w.e.f. August 18, 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 20, 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 18, 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	Shreya Ghose
Deputy Vice President	Manager
Surveillance	Surveillance

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