NSE implements Short-Term Additional Surveillance Measure (ST-ASM) Stage I on 4 securities with increased margin requirements of 50% or existing margin (whichever is higher) effective November 18, 2025.
Impact
High
Severity
High
Justification
High margin requirements (50% minimum) imposed on listed securities significantly impacts trading costs and liquidity for affected stocks, requiring immediate action from market participants holding positions
BSE demat auction settlement no. 753 listing securities available for auction across various scrips.
Impact
Low
Severity
Low
Justification
Routine demat auction settlement listing securities available for auction. Affects only parties with delivery obligations in the listed scrips. No market-wide regulatory changes or compliance requirements.
BSE demat auction settlement no. 753 listing securities available for auction to cover shortages in demat delivery obligations.
Impact
Medium
Severity
Medium
Justification
Routine demat auction for settlement 753 affecting multiple securities. Medium impact for specific securities with delivery shortages but low overall market importance as this is a standard settlement mechanism.
BSE demat auction settlement listing securities across multiple scrips for auction on November 12, 2025.
Impact
Medium
Severity
Medium
Justification
Demat auction affects multiple securities and their shareholders who failed to deliver shares, requiring auction settlement. Moderate market impact limited to specific scrips and quantities listed.