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.
BSE announces demat auction for settlement number 740 covering 90 scrips with quantities ranging from 1 to 10,000 shares for delivery settlement.
Impact
Medium
Severity
Medium
Justification
Routine demat auction for delivery settlement affecting 90 scrips. While operationally important for settlement integrity, it represents standard market infrastructure process with limited broader market impact.
Four securities added to ESM Stage-I effective October 23, 2025, with 100% margin requirement and shift to Trade-for-Trade segment.
Impact
High
Severity
High
Justification
High impact due to immediate 100% margin requirement on open positions and shift to Trade-for-Trade segment, significantly affecting liquidity and trading for four securities.
BSE circular detailing securities moving in and out of the Short Term Additional Surveillance Measure (ST-ASM) framework effective October 21, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for multiple securities through surveillance framework changes. No new securities added to ST-ASM, but 9 securities removed and moved to other frameworks.
BSE circular on securities being added to, moved within, or removed from the Short Term Additional Surveillance Measure (ST-ASM) framework effective October 13, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading surveillance measures for 21 securities across multiple sectors. While not market-wide, ST-ASM application impacts liquidity and trading mechanisms for affected stocks.
NSE announces securities being placed under Short-Term Additional Surveillance Measure (ST-ASM) framework and exclusions from ASM framework effective October 13, 2025.
Impact
Medium
Severity
Medium
Justification
Impacts trading in 10 securities with 7 entering ST-ASM Stage I and 3 being excluded from ASM framework, affecting investors and trading patterns in these specific stocks
NSE announces movement of securities between ESM stages and new inclusions, with ASL Industries moving to Stage II and nine securities moving from Stage II to Stage I effective August 4-5, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 10 securities with margin and settlement changes