BSE publishes updated market-wide position limits for 75 securities in the equity derivatives segment, specifying limits for total market positions and client/NRI/mutual fund categories.
Impact
Medium
Severity
Medium
Justification
Regular position limit updates that affect derivatives trading risk management for 75 actively traded securities; essential for compliance but routine operational information
BSE announces changes to multiple indices including BSE India 150, BSE 150 Midcap, BSE 100 LargeCap TMC, BSE 250 LargeMidCap, and BSE AllCap effective December 22, 2025.
Impact
Medium
Severity
Medium
Justification
Index reconstitution affects passive funds and ETFs tracking these indices, requiring portfolio rebalancing. Medium impact as it involves multiple major BSE indices with significant institutional holdings.
BSE announces reconstitution of multiple indices including BSE India 150, BSE 150 Midcap, BSE 100 Largecap TMC, BSE 250 Largemidcap, and BSE Allcap, effective December 22, 2025.
Impact
Medium
Severity
Medium
Justification
Index reconstitution affects passive fund rebalancing and stock liquidity but is a routine periodic event. Medium impact on affected stocks due to potential fund flows.
BSE announces changes to multiple indices including BSE India 150, BSE 150 Midcap, BSE 100 Largecap TMC, BSE 250 LargeMidcap, and BSE AllCap effective December 22, 2025.
Impact
High
Severity
Medium
Justification
Index reconstitution affects passive fund flows, portfolio rebalancing across multiple BSE indices with 30+ stock additions/deletions, significant impact on institutional trading
BSE demat auction settlement number 749 listing securities available for auction across various scrips.
Impact
Low
Severity
Low
Justification
Routine demat auction notification affecting settlement operations for specific quantities of various scrips. Standard market procedure with limited broad market impact.
BSE demat auction settlement listing 195 securities across various companies for physical delivery settlement.
Impact
Low
Severity
Low
Justification
Routine demat auction settlement notice affecting specific quantities of shares for physical delivery. Standard operational procedure with limited market-wide impact.
BSE notification detailing shut periods for Securities Lending and Borrowing (SLB) due to corporate actions including dividends for 31 companies and bonus issue for HDFC AMC.
Impact
Medium
Severity
Medium
Justification
Affects SLB trading for 32 securities with shut periods ranging from November 3-26, 2025. Important for traders engaged in securities lending and borrowing activities during dividend and bonus issue corporate actions.
BSE circular detailing shut periods for Securities Lending and Borrowing (SLB) due to corporate actions including dividends and bonus issue across 32 securities for November 2025.
Impact
Medium
Severity
Medium
Justification
Affects SLB trading operations across 32 securities during November 2025, requiring traders to plan around shut periods for corporate actions including one bonus issue