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Applicability of Additional Surveillance Measure
- Deadline
- 23 Sept 2026 · 41 days ago · Effective date for margin and settlement changes
- Who
- All NSE Members
- Action
- Apply a 100% margin rate on all open positions as of September 22, 2026, and new positions created from September 23, 2026.
What changed
The National Stock Exchange of India Limited identifies specific securities for inclusion under the Long Term Additional Surveillance Measure (ASM). Members must apply a 100% margin rate on all open positions as of September 22, 2026, and on all new positions created from September 23, 2026. Additionally, the Exchange shifts securities qualifying under criteria VII from the Rolling Settlement segment to the Trade-for-Trade segment effective September 23, 2026. This framework operates alongside other existing surveillance measures. The Exchange clarifies that this shortlisting results from market surveillance and does not constitute an adverse action against the affected entities.
What you must do
- Apply a 100% margin rate on all open positions as of September 22, 2026, and new positions created from September 23, 2026.
Document text
[Image omitted. See the official document.]
[Image omitted. See the official document.]
National Stock Exchange of India Limited
Circular
| Department: SURVEILLANCE | |
|---|---|
| Download Ref No: NSE/SURV/ 76428 | Date: September 18, 2026 |
| Circular Ref. No: 723/2026 | |
To All NSE Members
Sub: Applicability of Additional Surveillance Measure (ASM)
This is with reference to Exchange Circular nos. NSE/SURV/39265, NSE/SURV/45111, NSE/SURV/46557, NSE/SURV/48506, NSE/SURV/52090, NSE/SURV/63362 and NSE/SURV/64066 dated October 27, 2018, July 22, 2020, December 04, 2020, June 04, 2021, April 22, 2022, August 09, 2024 and September 20, 2024 respectively in respect of Additional Surveillance Measure (ASM).
Members are hereby requested to note that the securities as per the attached Annexure have satisfied the criteria for inclusion under Long Term Additional Surveillance Measure. The applicable surveillance actions shall be as per provisions of the Long-Term Additional Surveillance Measure (Long Term - ASM) which are as under:
- ➢ Applicable rate of margin shall be 100% w.e.f. September 23, 2026 on all open positions as on September 22, 2026 and new positions created from September 23, 2026 onwards.
Additionally, securities qualifying under criteria VII (Scrips shifted to Stage IV) shall be shifted from Rolling Settlement segment (Series: EQ) to Trade-for-Trade segment (Series: BE) w.e.f. September 23, 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.
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.
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.
For more information on Additional Surveillance Measure please refer to our Frequently Asked Questions (FAQs) - https://www.nseindia.com/regulations/additional-surveillance-measure
In case of any further queries, you may write to us at surveillance@nse.co.in.
For National Stock Exchange of India Limited
Amit Shinde
Chief Manager
Surveillance
Source details
- Official title
- Applicability of Additional Surveillance Measure (ASM)
- Source
- National Stock Exchange of India
- Type
- circular
- Published by source
- 18 Sept 2026
- Document number
- NSE/SURV/ 76428
- Issuing division
- SURVEILLANCE
- Effective date
- 23 Sept 2026
- Coverage area
- securities