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 changes to securities under Short Term Additional Surveillance Measure framework effective October 24, 2025, including 11 new inclusions, stage movements, and 12 exclusions.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 24 securities through surveillance framework changes, impacting liquidity and trading margins for these specific stocks
NSE announces inclusion of four securities under ST-ASM Stage I with 50% margin requirement, and exclusion of seven securities from ASM framework effective October 09, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading in 11 securities with enhanced margin requirements for 4 stocks and removal of restrictions for 7 stocks. Medium impact as it applies to specific securities under surveillance.
BSE bulletin announcing record dates and book closure dates for dividend payments, interest payments, and commercial paper redemptions across multiple companies.
Impact
Medium
Severity
Medium
Justification
Regular corporate action notifications affecting multiple listed companies with dividend payments and commercial paper redemptions
BSE announces revised price bands for 64 equity scrips ranging from 2% to 20%, effective July 28, 2025.
Impact
Medium
Severity
Medium
Justification
Affects 64 scrips with price band changes that could impact trading volatility and investor behavior, but represents routine surveillance activity rather than major market disruption.