BSE announces changes to securities under Short Term Additional Surveillance Measure framework effective November 07, 2025, including new additions, stage movements, and securities moving out of the framework.
Impact
Medium
Severity
Medium
Justification
Regular surveillance framework update affecting 11 securities with trading restrictions. Important for investors and traders in these specific stocks but limited broader market impact.
NSE implements Short-Term Additional Surveillance Measure (ST-ASM) Stage I on 7 securities with increased margin requirements of 50% or existing margin (whichever is higher, capped at 100%) effective November 10, 2025.
Impact
Medium
Severity
Medium
Justification
Applies to 7 specific securities with enhanced margin requirements. Moderate impact on traders holding positions in these stocks. Four securities excluded from ASM framework, providing relief.
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.
BSE circular detailing securities moving in and out of the Short Term Additional Surveillance Measure (ST-ASM) framework effective October 21, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for multiple securities through surveillance framework changes. No new securities added to ST-ASM, but 9 securities removed and moved to other frameworks.
BSE circular on securities being added to, moved within, or removed from the Short Term Additional Surveillance Measure (ST-ASM) framework effective October 13, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading surveillance measures for 21 securities across multiple sectors. While not market-wide, ST-ASM application impacts liquidity and trading mechanisms for affected stocks.
NSE announces securities being placed under Short-Term Additional Surveillance Measure (ST-ASM) framework and exclusions from ASM framework effective October 13, 2025.
Impact
Medium
Severity
Medium
Justification
Impacts trading in 10 securities with 7 entering ST-ASM Stage I and 3 being excluded from ASM framework, affecting investors and trading patterns in these specific stocks