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 applies Short-Term Additional Surveillance Measure (ST-ASM) Stage I to 7 securities with 50% margin requirement effective November 26, 2025, and excludes 2 securities from ASM framework.
Impact
High
Severity
High
Justification
High margin requirements of 50% minimum imposed on 7 securities under ST-ASM Stage I framework, significantly impacting trading positions and capital requirements for market participants effective November 26, 2025.