NSE adds 20 securities to Enhanced Surveillance Measure (ESM) Stage I effective April 23, 2026, requiring 100% margin and shift from Rolling Settlement to Trade-for-Trade segment.
Impact
High
Severity
High
Justification
20 securities face 100% margin requirements and mandatory segment migration from Rolling Settlement (EQ/SM) to Trade-for-Trade (BE/ST), significantly restricting trading flexibility and increasing cost of participation for market members.
NSE announces inclusion of securities under ST-ASM Stage I and Stage II effective April 22, 2026, with margin requirements of 50% and 100% respectively.
Impact
High
Severity
High
Justification
Directly affects trading margins for 17+ securities; ST-ASM Stage I mandates 50% minimum margin and Stage II mandates 100% margin effective April 22, 2026, significantly impacting trading activity and costs for affected stocks.
List of securities and quantities scheduled for demat auction under settlement number 772 dated December 9, 2025.
Impact
Medium
Severity
Medium
Justification
Routine demat auction for delivery shortfalls affecting multiple securities. Important for affected scrips and their holders but limited broader market impact.
NSE circular announcing revised price bands for 47 securities effective December 5, 2025, with 34 securities moved to 2% band and 13+ securities to 5% band.
Impact
High
Severity
High
Justification
Significant trading restriction affecting 47 securities with tighter price bands limiting intraday volatility, directly impacting trading strategies and liquidity for these stocks.
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.