NSE announces securities entering and exiting the Short-Term Additional Surveillance Measure (ST-ASM) framework effective December 17, 2025, impacting 26 securities across various stages.
Impact
High
Severity
High
Justification
ST-ASM framework directly impacts trading conditions for 30 securities with 6 additions to Stage-I and 4 exclusions, affecting investor accessibility and liquidity
NSE announces inclusion of securities in Short-Term Additional Surveillance Measure (ST-ASM) framework effective December 09, 2025, with two securities added to Stage I and one security excluded from ASM.
Impact
Medium
Severity
Medium
Justification
Affects specific securities with enhanced surveillance measures. Two stocks added to ST-ASM Stage I and one stock excluded. Material impact for affected securities but limited broader market impact.
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.