NSE circular notifying inclusion of BLB Limited (BLBLIMITED) under ESM Stage I effective February 25, 2026, with 100% margin requirement and shift from Rolling Settlement to Trade-for-Trade segment.
Impact
High
Severity
High
Justification
High impact on directly affected securities due to mandatory 100% margin, segment shift to Trade-for-Trade, and price band restrictions; medium importance as it applies to a limited set of securities under routine surveillance action.
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.
NSE updates the list of securities under Enhanced Surveillance Measure (ESM) framework with securities moving in, out, and between stages effective December 2025.
Impact
High
Severity
High
Justification
High impact due to 100% margin requirement, shift to Trade-for-Trade segment, and 2% price band restrictions affecting trading in multiple securities
NSE places three securities under Long-Term ASM Stage-I with 100% margin requirement effective December 1, 2025. Securities include AMBANI ORGOCHEM LIMITED, Net Avenue Technologies Limited, and SVP GLOBAL TEXTILES LIMITED.
Impact
High
Severity
High
Justification
High severity due to 100% margin requirement on affected securities, significantly impacting trading liquidity and investor positions. Effective date is imminent (December 1, 2025).
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.