Applicability of Additional Surveillance Measure
NSE circular NSE/SURV/ 76580 · 28 Sept 2026
Official title
Applicability of Additional Surveillance Measure (ASM)
Official record
Open source pageSummary
Check the official recordWhat changed
The National Stock Exchange of India Limited identifies specific securities for inclusion under the Long Term Additional Surveillance Measure. Members must apply a 100 percent margin rate on all open positions as of September 30, 2026. This margin requirement also applies to new positions created from October 1, 2026. Furthermore, the Exchange shifts securities that meet the criteria for Stage IV from the Rolling Settlement segment to the Trade-for-Trade segment effective October 1, 2026. These surveillance measures operate alongside other existing exchange regulations. The identification of these securities results from market surveillance and does not represent an adverse action against the affected entities.
What you must do
- Apply a 100 percent margin rate on all open positions as of September 30, 2026.
- Apply a 100 percent margin rate on new positions created from October 1, 2026.
Key dates
Document text
National Stock Exchange of India Limited
Circular
| Department: SURVEILLANCE | |
|---|---|
| Download Ref No: NSE/SURV/ 76580 | Date: September 28, 2026 |
| Circular Ref. No: 745/2026 | |
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. October 01, 2026 on all open positions as on September 30, 2026 and new positions created from October 01, 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. October 01, 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
Sareesh Koroth
Associate Vice President
Surveillance
Source details
- Source
- National Stock Exchange of India
- Type
- circular
- Published by source
- 28 Sept 2026
- Document number
- NSE/SURV/ 76580
- Issuing division
- SURVEILLANCE
- Effective date
- 01 Oct 2026
- Coverage area
- securities