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 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.
NSE implements Short-Term Additional Surveillance Measure (ST-ASM) Stage I for three securities with 50% margin requirement effective October 16, 2025, and excludes three securities from ASM framework.
Impact
High
Severity
High
Justification
Significant margin increase to 50% for affected securities impacts trading liquidity and capital requirements for market participants holding positions in these stocks
NSE announces securities entering and exiting Short-Term Additional Surveillance Measure framework effective October 07, 2025, with 4 securities added to Stage I and 6 securities excluded.
Impact
Medium
Severity
Medium
Justification
Regular surveillance measure update affecting 10 securities with trading restrictions, balancing market integrity with limited individual stock impact