NSE adds four securities to ESM Stage I and moves one security to Stage II effective April 17, 2026, requiring 100% margin and shift to Trade-for-Trade settlement from April 20, 2026.
Impact
High
Severity
High
Justification
Five securities are directly affected with mandatory 100% margin requirements and segment shifts to Trade-for-Trade, significantly restricting trading flexibility and liquidity for holders of these stocks.
NSE announces the list of securities shortlisted under the Short-Term Additional Surveillance Measure (ST-ASM) Framework Stage I, effective April 10, 2026, covering 59+ securities across various sectors.
Impact
High
Severity
High
Justification
Directly affects trading conditions for 59+ listed securities by placing them under ST-ASM Stage I, which imposes additional margin and trading restrictions effective April 10, 2026.
List of securities subject to Reversal Trade Cancellation Mechanism (RTCM) for December 2025, covering over 300 stocks where specific trade cancellation procedures will apply.
Impact
Medium
Severity
Medium
Justification
Affects trading operations for over 300 securities with specific trade cancellation procedures. Important for traders and market participants dealing with these stocks to understand RTCM applicability.
BSE announces revised list of securities under Short Term Additional Surveillance Measure (ST-ASM) framework effective October 08, 2025, including new additions and securities moving out of the framework.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 17 securities with surveillance measures, impacting liquidity and trading patterns for these stocks
NSE announces changes to Short-Term ASM framework effective October 08, 2025, including 7 securities added to Stage-I and 5 securities excluded from ASM framework.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 12 securities through addition to or removal from surveillance framework, impacting liquidity and trading costs for these specific stocks
Companies respond to BSE queries on unusual price and volume movements, confirming compliance with disclosure regulations and stating movements are market-driven.
Impact
Low
Severity
Low
Justification
Routine surveillance clarifications with no material disclosures or regulatory violations