NSE announces list of 323 securities subject to Reversal Trade Mechanism (RTCM) effective February 2026.
Impact
Medium
Severity
Medium
Justification
RTCM is a surveillance measure affecting 323 securities with enhanced monitoring and potential trading reversals to manage market risk and protect investors from abnormal price movements.
NSE introduces 3 securities under Enhanced Surveillance Measure (ESM) Stage I with 100% margin requirement and trade-for-trade settlement effective November 24, 2025.
Impact
High
Severity
High
Justification
High ranking due to mandatory 100% margin requirement and shift to trade-for-trade segment affecting liquidity and trading flexibility for listed securities
NSE announces inclusion of 8 securities under ST-ASM Stage I with 50% margin requirement effective November 21, 2025, and exclusion of 3 securities from ASM framework.
Impact
High
Severity
High
Justification
High severity due to significant margin increase to 50% for affected securities, directly impacting trading costs and positions for market participants in these stocks.
NSE notifies the listing of 100,000 equity shares of Unihealth Hospitals Limited allotted pursuant to conversion of warrants issued on preferential basis, effective November 18, 2025.
Impact
Low
Severity
Low
Justification
Routine listing notification for additional shares from warrant conversion on SME platform with limited market impact due to small issue size and lock-in period
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.