NSE circular announcing securities added to, moved within, and excluded from the Short-Term Additional Surveillance Measure (ST-ASM) framework effective May 20, 2026.
Impact
High
Severity
High
Justification
Directly affects trading conditions for a large number of securities. ST-ASM inclusion imposes enhanced margin and price band restrictions, materially impacting traders and investors in the listed stocks.
NSE places 51 securities under Short-Term ASM Framework Stage-I effective April 27, 2026, with no securities added to Stage-II and no movement between stages.
Impact
High
Severity
Medium
Justification
51 securities placed under Short-Term ASM Stage-I affecting a broad set of listed companies with enhanced surveillance and potential trading restrictions from April 27, 2026.
List of securities and quantities subject to demat auction settlement number 758 dated November 19, 2025.
Impact
Medium
Severity
Medium
Justification
Routine demat auction settlement affecting multiple securities with varying quantities; impacts specific shareholders who failed to deliver securities.