NSE imposes Short-Term Additional Surveillance Measure (ST-ASM) Stage I on 4 securities with increased margin requirements effective January 7, 2026, and excludes 2 securities from ASM framework.
Impact
Medium
Severity
Medium
Justification
Medium importance as it affects specific securities with enhanced margin requirements of 50% minimum. Direct impact on traders and investors holding positions in the 4 securities entering ST-ASM Stage I, requiring increased capital commitment.
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.