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The National Stock Exchange of India Limited includes specific securities in Short-Term Additional Surveillance Measure (ST-ASM) Stage I and Stage II. Members must apply a 50 percent margin rate for securities in Stage I. Members must apply a 100 percent margin rate for securities in Stage II. These margin requirements apply to all open positions as of November 2, 2026, and all new positions created from November 3, 2026. The maximum margin rate is 100 percent. This measure functions in conjunction with other prevailing surveillance measures. The shortlisting of securities results from market surveillance and does not constitute adverse action against the entities.
What you must do
Key dates
Who is affected
Thresholds
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[Image omitted. See the official document.] [Image omitted. See the official document.]
| **Department: SURVEILLANCE** | |
| **Download Ref No: NSE/SURV/** 77204 | **Date:** October 30, 2026 |
| **Circular Ref. No:** 840/2026 | |
To All NSE Members
This is further to Exchange Circular nos. NSE/SURV/39265, NSE/SURV/46557, NSE/SURV/52144, NSE/SURV/58558 and NSE/SURV/64066 dated October 27, 2018, December 04, 2020, April 28, 2022, September 25, 2023, and September 20, 2024, respectively, in respect of Additional Surveillance Measure (ASM).
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:
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:
[Image omitted. See the official document.]
Continuation Sheet
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 and on behalf of
National Stock Exchange of India Limited
Amit Shinde
Chief Manager
Surveillance
