NSE Surveillance circular updating the list of symbols subject to the Reversal Trade Cancellation Mechanism (RTCM) for May 2026, covering series EQ, BE, BZ, SM, ST & SZ across approximately 175 designated securities.
Impact
Medium
Severity
Medium
Justification
Routine monthly update to the RTCM symbol list for May 2026 affecting ~175 smaller/mid-cap securities; important for trading members handling these stocks but limited broader market impact since Nifty 500 and NSE Clearing-approved securities are excluded.
NSE announces the list of securities subject to the Reversal Trade Cancellation Mechanism (RTCM) for April 2026, covering 300+ stocks under enhanced surveillance.
Impact
High
Severity
High
Justification
RTCM is an NSE surveillance measure that directly cancels reversal trades in listed securities. Inclusion in this list significantly restricts trading patterns for 300+ stocks in the cash market segment for April 2026, with immediate and direct impact on trading activity and liquidity for affected securities.
NSE announces addition of 3 securities to ST-ASM Stage I and exclusion of 4 securities from the ASM framework effective March 06, 2026.
Impact
High
Severity
High
Justification
Directly affects trading conditions for multiple securities through enhanced surveillance measures; traders in affected stocks face margin and trading restrictions.
NSE announces addition of Dhanuka Infra Realty Limited to ST-ASM Stage I and exclusion of 6 securities from the ASM framework, effective March 05, 2026.
Impact
Medium
Severity
Medium
Justification
Routine ST-ASM update affecting a limited number of securities; one stock added to Stage I, six removed from the framework. Consolidated ASM list covers 30+ securities with trading restrictions impacting investors in those counters.
NSE announces new securities shortlisted under Short-Term ASM Framework Stage-I effective February 27, 2026, along with one exclusion and a consolidated list of all securities currently under ASM.
Impact
High
Severity
High
Justification
Directly affects trading conditions for multiple listed securities; ASM designation imposes trading restrictions and margin requirements on affected stocks, significantly impacting traders and investors holding these securities.
NSE releases the updated list of 300+ securities subject to the Reversal Trade Cancellation Mechanism (RTCM) for March 2026, a surveillance measure to cancel trades that are reversed within a short timeframe.
Impact
Medium
Severity
Medium
Justification
Affects 300+ securities listed on NSE; RTCM is an active surveillance tool that can result in trade cancellations for reversal patterns, directly impacting traders and brokers dealing in these stocks. High importance due to the large number of securities covered; medium impact as it targets a specific trading behaviour rather than broad market restrictions.
BSE announces demat auction for Settlement No. 815 dated February 9, 2026, listing securities and quantities across 445 scrips for auction settlement.
Impact
Medium
Severity
Medium
Justification
Routine demat auction for settlement of delivery shortages affecting 445 scrips. Standard market operation with localized impact on specific trades and positions.
BSE demat auction list for settlement number 815 dated February 9, 2026, containing 223 scrips with their respective auction quantities.
Impact
Medium
Severity
Medium
Justification
Routine demat auction list affecting multiple securities across various sectors. Important for settlement obligations but part of regular market operations.
BSE announces revised list of securities under Short Term Additional Surveillance Measure (ST-ASM) framework effective February 06, 2026, including 25 securities entering the framework and 8 securities exiting.
Impact
High
Severity
High
Justification
Significant surveillance action affecting 25 securities with enhanced monitoring and trading restrictions, impacting investor trading strategies and liquidity in these stocks