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 announces inclusion of 8 securities under ST-ASM Stage I with 50% margin requirement effective November 21, 2025, and exclusion of 3 securities from ASM framework.
Impact
High
Severity
High
Justification
High severity due to significant margin increase to 50% for affected securities, directly impacting trading costs and positions for market participants in these stocks.