NSE announces securities being added to ESM Stage I and publishes consolidated list of all securities under Enhanced Surveillance Measure framework effective April 01, 2026.
Impact
High
Severity
High
Justification
Directly affects trading conditions for multiple listed securities; ESM placement restricts trading to trade-for-trade settlement and imposes price bands, significantly impacting liquidity and investor activity across 40+ stocks.
NSE circular announcing changes to Enhanced Surveillance Measure (ESM) framework effective March 25, 2026, including one security moving from Stage I to Stage II and consolidated list of 40+ securities under ESM.
Impact
High
Severity
High
Justification
ESM changes impose significant trading restrictions on affected securities; Stage II carries stricter trading curbs. Movement of VILINBIO to Stage II and a large consolidated list of 40+ securities directly impacts traders and investors in these stocks.
NSE announces the list of securities subject to the Reversal Trade Cancellation Mechanism (RTCM) for April 2026, covering 300+ stocks under enhanced surveillance.
Impact
High
Severity
High
Justification
RTCM is an NSE surveillance measure that directly cancels reversal trades in listed securities. Inclusion in this list significantly restricts trading patterns for 300+ stocks in the cash market segment for April 2026, with immediate and direct impact on trading activity and liquidity for affected securities.
NSE releases the updated list of 300+ securities subject to the Reversal Trade Cancellation Mechanism (RTCM) for March 2026, a surveillance measure to cancel trades that are reversed within a short timeframe.
Impact
Medium
Severity
Medium
Justification
Affects 300+ securities listed on NSE; RTCM is an active surveillance tool that can result in trade cancellations for reversal patterns, directly impacting traders and brokers dealing in these stocks. High importance due to the large number of securities covered; medium impact as it targets a specific trading behaviour rather than broad market restrictions.
NSE announces list of 323 securities subject to Reversal Trade Mechanism (RTCM) effective February 2026.
Impact
Medium
Severity
Medium
Justification
RTCM is a surveillance measure affecting 323 securities with enhanced monitoring and potential trading reversals to manage market risk and protect investors from abnormal price movements.
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.
NSE announces inclusion of 5 securities under ST-ASM Stage I with 50% margin requirement effective November 25, 2025.
Impact
High
Severity
Medium
Justification
Significant increase in margin requirements to 50% for 5 securities, directly impacting trading positions and capital requirements for market participants holding or trading these stocks.
NSE circular listing 324 securities subject to Reversal Trade Cancellation Mechanism (RTCM) for November 2025, a surveillance measure to prevent price manipulation.
Impact
High
Severity
Medium
Justification
RTCM is a critical surveillance mechanism affecting 324 securities, enabling NSE to cancel erroneous or manipulative trades. High impact on trading operations and investor protection, though routine monthly update.