BSE circular detailing corporate actions (dividends and amalgamations) affecting Securities Lending and Borrowing (SLB) segment with shut periods and ex-dates for 30 securities.
Impact
High
Severity
High
Justification
Critical information for SLB participants as it mandates foreclosure of positions during shut periods for multiple high-profile securities including major blue-chips like Infosys, HUL, and Power Grid, directly impacting trading operations.
BSE announces demat auction for settlement number 741 covering 156 scrips with specified quantities for delivery shortfall resolution.
Impact
Medium
Severity
Medium
Justification
Routine demat auction affecting 156 scrips with varying quantities. While operationally significant for participants with delivery shortfalls, it represents standard settlement mechanism rather than market-wide regulatory change.
BSE settlement notice for demat auction settlement number 741 dated October 24, 2025, listing securities and quantities for auction.
Impact
Medium
Severity
Medium
Justification
Routine settlement auction notice affecting multiple securities with varying quantities; impacts specific trading members with delivery obligations but is a standard market operation.
Updated list of 40 equity shares eligible for non-cash component of liquid assets with applicable haircuts and quantity limits for margin deposits.
Impact
Medium
Severity
Medium
Justification
Routine update to approved securities list affecting margin deposit eligibility for trading members, with quantity limits and VAR-based haircuts applicable
Updated list of 40 equity shares eligible to form part of non-cash component of liquid assets with applicable haircuts and quantity limits for margin deposits.
Impact
Medium
Severity
Medium
Justification
Standard periodic update to approved securities list for margin collateral, affects trading members' ability to deposit specific securities as non-cash margins with quantity restrictions
Updated list of 40 equity shares eligible as non-cash component of liquid assets with applicable haircuts and quantity limits for members.
Impact
Medium
Severity
Medium
Justification
Updates the list of approved securities eligible for margin deposits, affecting member firms' collateral management and liquidity requirements across trading segments.
BSE Daily Bulletin No. 137/2025-2026 announcing book closure dates, record dates, and corporate actions including dividends, interest payments, and redemptions for various securities dated October 16, 2025.
Impact
Medium
Severity
Low
Justification
Routine daily bulletin with multiple corporate actions affecting investors including significant interim dividends from Infosys (Rs. 23/share) and Cyient (Rs. 16/share), and various debt security interest payments and redemptions.
NSE circular providing detailed information about the Nifty 50 index methodology, constituents, performance statistics, and semi-annual rebalancing process as of September 30, 2025.
Impact
Low
Severity
Low
Justification
Informational circular about Nifty 50 index composition and methodology. Important for market participants and fund managers but does not introduce new regulatory requirements or operational changes.