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 adds Graphisads Limited to ST-ASM Stage I and excludes Neptune Petrochemicals, Suratwwala Business Group, and TCI Finance from ASM framework effective December 23, 2025.
Impact
Medium
Severity
Medium
Justification
Affects 4 securities with surveillance changes - 1 addition to ST-ASM and 3 exclusions from ASM framework. Limited market-wide impact but significant for affected stocks.
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 implements Short-Term Additional Surveillance Measure (ST-ASM) Stage I for three securities with increased margin requirements of 50% or existing margin, whichever is higher.
Impact
High
Severity
Medium
Justification
Significant margin increase to 50% minimum for affected securities impacts trading costs and liquidity. Two securities (GURUNANAK, SHYAMCENT) excluded from ASM framework.
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.