NSE places 19 securities under ST-ASM Stage I and additional securities under ST-ASM Stage II effective April 16, 2026, with enhanced margin requirements of 50% and 100% respectively.
Impact
High
Severity
High
Justification
Directly imposes enhanced margin requirements (50%-100%) on 19+ listed securities effective April 16, 2026, significantly increasing trading costs and restricting leverage for market participants holding or trading these stocks.
BSE demat auction settlement listing securities and quantities to be auctioned for settlement number 743 dated October 28, 2025.
Impact
Medium
Severity
Medium
Justification
Routine demat auction settlement affecting multiple securities with varying quantities. Important for brokers and investors involved in settlement obligations but part of regular market operations.
BSE introduces Short Term Additional Surveillance Measure framework for 15 securities and removes 7 securities from the framework effective September 10, 2025.
Impact
Medium
Severity
Medium
Justification
Surveillance measures affect trading patterns and liquidity for listed securities but are routine risk management tools
BSE updates the list of securities under Short Term Additional Surveillance Measure framework, adding 15 new securities and removing 7 securities effective September 10, 2025.
Impact
Medium
Severity
Medium
Justification
Regular surveillance measure update affecting multiple securities with trading restrictions