BSE circular regarding securities being added to, moved within, or removed from the Short Term Additional Surveillance Measure (ST-ASM) framework effective November 28, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading in 10 securities (4 added, 6 removed) under enhanced surveillance framework. Important for traders and investors in these specific stocks but limited broader market impact.
BSE circular announcing changes to Short Term ASM framework with 4 securities being added, 6 securities moving out, and consolidated list of securities under ST-ASM effective November 28, 2025.
Impact
Medium
Severity
Medium
Justification
Regular surveillance measure update affecting 10 securities with trading restrictions. Important for investors and traders in affected stocks but part of routine market surveillance operations.
NSE implements Short-Term Additional Surveillance Measure on Bigbloc Construction Limited and Jayesh Logistics Limited with 50% margin requirement effective November 28, 2025.
Impact
High
Severity
High
Justification
High margin requirement of 50% imposed on two securities under ST-ASM framework, directly affecting trading costs and positions for market participants
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.