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 updates Enhanced Surveillance Measure classifications, moving securities between stages and imposing 100% margin requirements effective October 7, 2025.
Impact
High
Severity
High
Justification
Affects trading mechanism and margin requirements for multiple securities with immediate effect, shifting from rolling settlement to trade-for-trade and imposing 100% margin requirements