BSE demat auction settlement listing 107 securities across 54 scrip codes with quantities to be auctioned on December 22, 2025.
Impact
Medium
Severity
Medium
Justification
Routine demat auction settlement affecting multiple securities with varying quantities; impacts trading members and investors with delivery obligations
List of securities and quantities for demat auction settlement number 780 dated December 19, 2025.
Impact
Medium
Severity
Medium
Justification
Routine demat auction affecting multiple securities with varying quantities; primarily operational in nature affecting settlement obligations for specific scrips.
BSE Demat Auction settlement list for Settlement No. 780 dated December 19, 2025, covering securities across multiple scrips for settlement obligations.
Impact
Medium
Severity
Medium
Justification
Routine demat auction settlement affecting multiple securities with varying quantities. Standard market settlement process with operational impact on specific scrips and their shareholders.
BSE announces changes to Short Term Additional Surveillance Measure (ST-ASM) framework with securities being added, moved between stages, and removed from surveillance effective December 19, 2025.
Impact
Medium
Severity
Medium
Justification
Routine surveillance measure updates affecting specific securities with restrictions on trading. Impact limited to listed securities and their investors.
BSE announces securities shortlisted for and moving out of Short Term ASM framework effective December 19, 2025, including 10 new additions and 8 removals.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 18 securities through addition or removal from surveillance framework, impacting liquidity and trading parameters for these stocks
NSE announces inclusion of 4 securities under ST-ASM Stage I with increased margin requirements, and exclusion of 6 securities from ASM framework effective December 19, 2025.
Impact
High
Severity
High
Justification
Significant margin increase to 50% minimum for affected securities impacts trading costs and liquidity. Direct operational impact on members trading these stocks.
BSE revises price bands for 19 scrips effective December 19, 2025, with bands ranging from 2% to 20% based on surveillance measures.
Impact
Medium
Severity
Medium
Justification
Price band revisions affect trading volatility controls for 19 scrips, indicating heightened surveillance. Impact is medium as these are mostly smaller-cap stocks with varying band tightening (2%-20%).