NSE announces inclusion of 15 securities under Long Term Additional Surveillance Measure (ASM) Stage-I effective May 05, 2026, with 100% margin applicable from May 07, 2026.
Impact
High
Severity
High
Justification
Directly impacts 15 listed securities with 100% margin requirement and potential segment shift from EQ to BE (Trade-for-Trade), significantly restricting trading activity and increasing cost for market participants holding these stocks.
BSE announces additions, movements, and removals of securities in the Enhanced Surveillance Measure (ESM) Framework effective December 15, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 42 securities across ESM framework with changes in surveillance stages, impacting liquidity and trading restrictions for listed companies and investors.
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 new securities in Stage I, stage transitions, and consolidated ESM list effective September 9, 2025.
Impact
Medium
Severity
Medium
Justification
Affects multiple securities with enhanced surveillance measures and trading restrictions
BSE updates the list of securities under Short Term Additional Surveillance Measure framework with additions, removals, and stage changes effective July 31, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for multiple securities through surveillance measures, impacting market participants and liquidity