List of securities subject to Reversal Trade Cancellation Mechanism (RTCM) for December 2025, covering over 300 stocks where specific trade cancellation procedures will apply.
Impact
Medium
Severity
Medium
Justification
Affects trading operations for over 300 securities with specific trade cancellation procedures. Important for traders and market participants dealing with these stocks to understand RTCM applicability.
NSE implements Short-Term Additional Surveillance Measure (ST-ASM) Stage I on 7 securities with increased margin requirements of 50% or existing margin (whichever is higher, capped at 100%) effective November 10, 2025.
Impact
Medium
Severity
Medium
Justification
Applies to 7 specific securities with enhanced margin requirements. Moderate impact on traders holding positions in these stocks. Four securities excluded from ASM framework, providing relief.