NSE applies Short-Term Additional Surveillance Measure (ST-ASM) to 24 new securities under Stage I, moves CEDAAR to Stage II, and excludes 13 securities from the ASM framework, all effective April 24, 2026.
Impact
High
Severity
High
Justification
Directly affects trading conditions (margins, price bands, surveillance) for 38 securities across addition, escalation, and exclusion actions; traders and investors in these stocks must act before April 24, 2026.
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 updates Enhanced Surveillance Measure framework with securities moving between stages, including 2 securities moving to Stage II and consolidated list of 4+ securities under ESM.
Impact
Medium
Severity
Medium
Justification
Affects multiple securities with increased margin requirements and trading restrictions