BSE updates the list of securities subject to Short Term Additional Surveillance Measure framework, including new inclusions, movements between stages, and exclusions effective January 06, 2026.
Impact
High
Severity
High
Justification
ST-ASM framework imposes significant trading restrictions on listed securities due to price volatility or other surveillance concerns, directly affecting trading liquidity and investor access for multiple securities.
BSE announces securities being added to and removed from the Short Term ASM Framework effective January 06, 2026, with 8 securities newly shortlisted and 8 securities moving out.
Impact
Medium
Severity
Medium
Justification
Affects 16 securities with changes to surveillance framework, impacting trading conditions for these stocks but limited to specific securities rather than market-wide impact
NSE imposes Short-Term Additional Surveillance Measure (ST-ASM) Stage I on 4 securities with increased margin requirements effective January 7, 2026, and excludes 2 securities from ASM framework.
Impact
Medium
Severity
Medium
Justification
Medium importance as it affects specific securities with enhanced margin requirements of 50% minimum. Direct impact on traders and investors holding positions in the 4 securities entering ST-ASM Stage I, requiring increased capital commitment.
Companies provide clarifications to BSE regarding significant movements in price and trading volume of their securities, attributing changes to market conditions.
Impact
Low
Severity
Low
Justification
Routine clarifications provided by companies in response to exchange queries about price/volume movements, with no material information disclosed
Three companies provided clarifications to BSE regarding significant movements in their stock prices and trading volumes, attributing the changes to market conditions.
Impact
Low
Severity
Low
Justification
Routine surveillance clarifications with no material corporate developments; companies attribute movements to market conditions
BSE circular on securities moving into, within, and out of the Short Term Additional Surveillance Measure (ST-ASM) framework effective December 29, 2025.
Impact
Medium
Severity
Medium
Justification
Surveillance measure affecting 25 securities with trading restrictions. Significant for investors in affected stocks but limited broader market impact.
BSE updates on securities entering and exiting Short Term ASM framework effective December 29, 2025, including 9 new additions and 15 removals.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 25 securities with 9 additions and 15 removals from ST-ASM framework, impacting liquidity and trading patterns for affected stocks
NSE circular regarding securities being placed under Short-Term Additional Surveillance Measure (ST-ASM) Stage I with increased margin requirements of 50% effective December 30, 2025.
Impact
Medium
Severity
Medium
Justification
Affects four securities with enhanced margin requirements of 50% minimum, impacting trading positions and costs for these stocks. Surveillance measure is routine market monitoring, not punitive action.
NSE circular listing 324 securities subject to Reversal Trade Cancellation Mechanism (RTCM) for November 2025, a surveillance measure to prevent price manipulation.
Impact
High
Severity
Medium
Justification
RTCM is a critical surveillance mechanism affecting 324 securities, enabling NSE to cancel erroneous or manipulative trades. High impact on trading operations and investor protection, though routine monthly update.