NSE announces inclusion of 6 securities under ST-ASM Stage I with increased margin requirements of 50% or existing margin (whichever is higher) effective November 13, 2025.
Impact
High
Severity
High
Justification
High importance and impact due to significant increase in margin requirements (minimum 50%) for affected securities, directly impacting trading costs and liquidity for market participants with positions in these stocks.
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.