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 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 announces securities moving into and out of Short-Term Additional Surveillance Measure (ST-ASM) framework effective December 01, 2025, with Best Agrolife Limited entering Stage I and nine securities being excluded.
Impact
Medium
Severity
Medium
Justification
Routine surveillance measure update affecting 10 securities - 1 entering ST-ASM and 9 being excluded. Limited market-wide impact but significant for affected stocks and their investors.
NSE implements Short-Term Additional Surveillance Measure (ST-ASM) on 8 securities with increased margin requirements of 50% or existing margin (whichever is higher) effective November 24, 2025.
Impact
Medium
Severity
Medium
Justification
Affects 8 securities with increased margin requirements but applies to limited set of stocks. Routine surveillance measure for market stability.
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.