BSE updates the list of securities under Short Term Additional Surveillance Measure (ST-ASM) framework effective January 02, 2026, including new additions, stage changes, and exits.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for multiple securities through ASM framework changes, impacting liquidity and trading costs for investors in these stocks
BSE notification on securities entering, exiting, and continuing in the Short Term Additional Surveillance Measure framework effective January 01, 2026.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for multiple securities through surveillance framework changes, impacting liquidity and trading costs for these stocks.
BSE announces securities being added to, moved within, and removed from the Short Term Additional Surveillance Measure (ST-ASM) framework effective December 30, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading in 12 securities newly added to ST-ASM framework with enhanced surveillance measures, impacting liquidity and trading parameters for these stocks
BSE announces securities being added to, moved within, and removed from the Short Term Additional Surveillance Measure (ST-ASM) framework effective December 30, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 12 securities entering ST-ASM and 7 securities exiting, with specific surveillance stages impacting liquidity and trading costs for affected stocks.
NSE announces inclusion of 8 securities in ST-ASM Stage I with increased margin requirements effective December 31, 2025, and exclusion of 4 securities from ASM framework.
Impact
High
Severity
High
Justification
Significant increase in margin requirements to 50% minimum for 8 securities, directly impacting trading costs and positions for market participants.
BSE announces revised price bands for 33 securities ranging from 2% to 20%, effective from December 29, 2025, impacting trading limits for these scrips.
Impact
Medium
Severity
Medium
Justification
Affects trading parameters for 33 securities with tighter price bands (2%-20%), indicating enhanced surveillance. Medium impact as it restricts price movements but applies to smaller cap stocks with limited broader market significance.
BSE revises price bands for 33 securities across various sectors, with bands ranging from 2% to 20%, effective from December 29, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading parameters for 33 securities with tightened price bands indicating increased surveillance, impacting trading flexibility and investor access to these scrips.
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.