NSE adds five securities to Long-Term Additional Surveillance Measure (ASM) Stage-I effective April 16, 2026, imposing 100% margin requirement on all positions from April 20, 2026.
Impact
High
Severity
High
Justification
Five securities placed under Long-Term ASM Stage-I with mandatory 100% margin requirement effective April 20, 2026, significantly restricting trading in these scrips and increasing cost of holding positions.
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.