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Applicability of Additional Surveillance Measure (ASM)
- Deadline
- 25 Sept 2026 · 44 days ago · Effective date for 100% margin rate and segment shift
- Who
- All NSE Members
- Action
- Apply a margin rate of 100 percent on all open positions as on September 24, 2026, and new positions created from September 25, 2026, onwards.
What changed
The National Stock Exchange places specific securities under Long Term Additional Surveillance Measure based on set criteria. Members apply a one hundred percent margin rate on all open positions as on September 24, 2026, and on new positions created from September 25, 2026, onwards. Market participants shift qualifying securities under criteria seven from the Rolling Settlement segment to the Trade-for-Trade segment on September 25, 2026. This action is part of market surveillance and does not indicate an adverse action against any company.
What you must do
- Apply a margin rate of 100 percent on all open positions as on September 24, 2026, and new positions created from September 25, 2026, onwards.
- Shift securities qualifying under criteria VII from Rolling Settlement segment to Trade-for-Trade segment.
Document text
National Stock Exchange of India Limited
Circular
| Department: SURVEILLANCE | |
|---|---|
| Download Ref No: NSE/SURV/76477 | Date: September 22, 2026 |
| Circular Ref. No: 729/2026 |
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 25, 2026 on all open positions as on September 24, 2026 and new positions created from September 25, 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 25, 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.
National Stock Exchange of India Limited
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
- Source
- National Stock Exchange of India
- Type
- circular
- Published by source
- 22 Sept 2026
- Document number
- NSE/SURV/76477
- Issuing division
- SURVEILLANCE
- Effective date
- 25 Sept 2026
- Coverage area
- securities