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 10 securities added to Long-Term ASM Stage I and 6 securities moved down from Stage II to Stage I, effective April 27, 2026.
Impact
High
Severity
High
Justification
Directly affects trading conditions for 16 listed securities with ASM stage changes; traders and investors in these scrips face margin and settlement implications effective April 27, 2026.
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 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.
NSE announces list of 323 securities subject to Reversal Trade Mechanism (RTCM) effective February 2026.
Impact
Medium
Severity
Medium
Justification
RTCM is a surveillance measure affecting 323 securities with enhanced monitoring and potential trading reversals to manage market risk and protect investors from abnormal price movements.
BSE demat auction for settlement number 778 covering delivery shortfalls across 96 scrips with quantities ranging from 1 to 10 million shares.
Impact
Medium
Severity
Medium
Justification
Routine demat auction affecting 96 scrips with varying quantities. While operationally significant for affected members, this is a standard settlement mechanism for delivery shortfalls.
BSE demat auction settlement listing 96 scrips across various companies for settlement number 778.
Impact
Medium
Severity
Medium
Justification
Regular demat auction settlement affecting 96 scrips with varying quantities. Routine market operation but impacts multiple stocks and their shareholders.
BSE Demat Auction notice for Settlement No. 768 listing securities and quantities to be auctioned across various scrips on December 3, 2025.
Impact
Medium
Severity
Medium
Justification
Routine demat auction affecting multiple securities with specific quantities. Direct operational impact on participants with pending obligations but part of standard settlement process.