NSE circular updating the list of securities under Long-Term ASM Framework, with Agri-Tech (India) Limited added to Stage-I effective December 18, 2025.
Impact
Medium
Severity
Medium
Justification
Addition of one security to ASM Stage-I affects trading in specific stocks with enhanced surveillance measures, limited market-wide impact
NSE implements Long Term Additional Surveillance Measures on select securities with 100% margin requirement effective December 12, 2025. SABTNL to be shifted to Trade-for-Trade segment.
Impact
High
Severity
High
Justification
Significant trading restrictions with 100% margin requirements and shift to Trade-for-Trade segment for affected securities, directly impacting liquidity and trading behavior
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 updates Long-Term ASM framework with 4 securities moving to Stage-I and 9 securities being excluded from ASM framework effective September 8, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 13 securities with surveillance measure changes that impact liquidity and trading volumes