NSE circular notifying inclusion of securities under Long Term Additional Surveillance Measure (ASM) with 100% margin requirement effective May 14, 2026, including stage transitions for multiple securities.
Impact
High
Severity
High
Justification
100% margin requirement and Trade-for-Trade segment shift directly affect trading costs and liquidity for affected securities, with immediate effect from May 14, 2026.
NSE announces 10 securities added to Long-Term ASM Stage I and 6 securities moved down from Stage II to Stage I, effective April 27, 2026.
Impact
High
Severity
High
Justification
Directly affects trading conditions for 16 listed securities with ASM stage changes; traders and investors in these scrips face margin and settlement implications effective April 27, 2026.
NSE adds 5 securities to Long Term ASM Stage-I and moves 2 securities from Stage-I to Stage-II, with 100% margin requirement applicable from April 21, 2026.
Impact
High
Severity
High
Justification
100% margin requirement imposed on 7 securities with stage changes effective April 21, 2026; directly affects trading positions and liquidity for affected scrips
BSE announces demat auction for Settlement No. 815 dated February 9, 2026, listing securities and quantities across 445 scrips for auction settlement.
Impact
Medium
Severity
Medium
Justification
Routine demat auction for settlement of delivery shortages affecting 445 scrips. Standard market operation with localized impact on specific trades and positions.
BSE demat auction list for settlement number 815 dated February 9, 2026, containing 223 scrips with their respective auction quantities.
Impact
Medium
Severity
Medium
Justification
Routine demat auction list affecting multiple securities across various sectors. Important for settlement obligations but part of regular market operations.
NSE announces inclusion of 5 securities under ST-ASM Stage I with 50% margin requirement effective February 04, 2026, and exclusion of 6 securities from ASM framework.
Impact
High
Severity
High
Justification
Significant margin increase to 50% for 5 securities including Sterlite Technologies and Mtar Technologies affects trading costs and liquidity. Immediate impact on market participants with positions in these securities.
BSE announces listing of 570,629 equity shares issued under ESOP/ESOS by 8 companies including Axis Bank, CG Power, Cyient, and others, effective January 20, 2026.
Impact
Low
Severity
Low
Justification
Routine administrative listing of employee stock option shares with minimal market impact due to small quantities relative to outstanding shares