NSE announces changes to the Long-Term ASM Framework effective March 09, 2026, including new additions, stage movements, and exclusions of securities.
Impact
Medium
Severity
Medium
Justification
Routine ASM framework update affecting a limited number of securities with stage changes and exclusions; impacts trading conditions for specific stocks but is a regular surveillance action.
NSE announces inclusion of Tera Software and Tree House Education in Long Term ASM Stage I, and movement of Sadhana Nitrochem from Stage I to Stage II, effective February 25, 2026, with 100% margin requirement from February 27, 2026.
Impact
High
Severity
High
Justification
Direct trading restrictions including 100% margin requirement and potential segment shift from EQ to BE series affect specific securities and their traders immediately.
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 implements Long Term ASM on select securities with 100% margin requirement effective January 1, 2026. Three securities added to Stage-I and one security moved from Stage-I to Stage-II.
Impact
High
Severity
High
Justification
100% margin requirement significantly impacts trading in affected securities. ESFL moved from Short Term to Long Term ASM framework indicating persistent surveillance concerns. Effective date is January 1, 2026.
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.
NSE announces inclusion of securities under Enhanced Surveillance Measure (ESM) framework with 100% margin requirements and trade-for-trade restrictions effective October 14, 2025.
Impact
High
Severity
High
Justification
Significant trading restrictions with 100% margin requirements and shift to trade-for-trade segment affecting multiple securities, directly impacting liquidity and trading operations.
NSE updates Enhanced Surveillance Measure framework with securities moving between ESM stages effective October 10, 2025.
Impact
Medium
Severity
Medium
Justification
Affects multiple securities under surveillance framework with stage movements requiring traders to adjust strategies for higher margin and price band restrictions.
NSE announces revised price bands for securities across different categories, effective October 08, 2025, impacting 3,006 securities with bands ranging from 2% to 40%.
Impact
High
Severity
Medium
Justification
Affects 3,006 securities with varying price bands, directly impacting trading volatility limits and risk management for market participants across multiple categories.