Reversal Trade Cancellation Mechanism Methodology for November 2026 · NSE/SURV/77114
NSE circular NSE/SURV/77114 · 26 Oct 2026
Official title
Reversal Trade Cancellation Mechanism (RTCM)
Official record
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The National Stock Exchange defines the methodology for shortlisting symbols under the Reversal Trade Cancellation Mechanism for November 2026. The mechanism applies to series EQ, BE, BZ, SM, ST, and SZ. The exchange excludes approved securities, Nifty 500 index constituents, and ETFs from this list. Trading members access the symbol list in the file CM_RTCM_nov2026.csv on the exchange extranet. This facility helps prevent reversal trades between two PANs when specific thresholds occur. The mechanism does not remove the obligation of trading members to follow existing regulatory provisions for trade conduct.
What you must do
- Trading members must access the symbol list for November 2026 from the specified extranet path.
Key dates
- Effective from
- 01 Nov 2026
- Applicability period for November 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/77114 | Date: October 26, 2026 |
| Circular Ref. No: 824/2026 |
To All NSE Members
Sub: Reversal Trade Cancellation Mechanism (RTCM)
This is with reference to NSE circular no. NSE/SURV/62493 dated June 18, 2024, regarding Reversal Trade Cancellation Mechanism (RTCM).
Trading members are requested to make a note of methodology of shortlisting the symbols for which the RTCM shall be made applicable.
RTCM will be applicable for the series (i.e. EQ, BE, BZ, SM, ST & SZ) pertaining to the symbols in the file provided “CM_RTCM_nov2026.csv”. The symbols list on which RTCM shall be applicable will be excluding of the following securities
- Approved securities list published by NSE Clearing Ltd
- Constituents of Nifty 500 index
- ETF’s
Members may note that the file “CM_RTCM_nov2026.csv” containing the list of symbols (based on the aforesaid methodology) on which RTCM shall be applicable for the month of November 2026, has been made available on the extranet path: /common/Surveillance/RTCM.
Please note that RTCM is a facility provided by Exchange (NSE/SURV/62493 dated June 18, 2024) to help prevent incidence of reversal trades between two PANs if certain thresholds are breached. However, the facility of RTCM does not absolve the Trading Members of their obligation to adhere to the provisions of circular NSE/INVG/46662 dated December 16, 2020.
In case of any further queries, members might write to us on surveillance@nse.co.in.
National Stock Exchange of India Limited
For National Stock Exchange of India Limited
Mayank Rathod
Chief Manager
Surveillance
Source details
- Source
- National Stock Exchange of India
- Type
- circular
- Published by source
- 26 Oct 2026
- Document number
- NSE/SURV/77114
- Issuing division
- SURVEILLANCE
- Effective date
- 01 Nov 2026
- Coverage area
- securities