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.
NSE announces securities entering and exiting the Short-Term Additional Surveillance Measure (ST-ASM) framework effective December 17, 2025, impacting 26 securities across various stages.
Impact
High
Severity
High
Justification
ST-ASM framework directly impacts trading conditions for 30 securities with 6 additions to Stage-I and 4 exclusions, affecting investor accessibility and liquidity
NSE announces inclusion of securities in Short-Term Additional Surveillance Measure (ST-ASM) framework effective December 09, 2025, with two securities added to Stage I and one security excluded from ASM.
Impact
Medium
Severity
Medium
Justification
Affects specific securities with enhanced surveillance measures. Two stocks added to ST-ASM Stage I and one stock excluded. Material impact for affected securities but limited broader market impact.
NSE circular listing 324 securities subject to Reversal Trade Cancellation Mechanism (RTCM) for November 2025, a surveillance measure to prevent price manipulation.
Impact
High
Severity
Medium
Justification
RTCM is a critical surveillance mechanism affecting 324 securities, enabling NSE to cancel erroneous or manipulative trades. High impact on trading operations and investor protection, though routine monthly update.