NSE announces addition of 3 securities to ST-ASM Stage-I and exclusion of 4 securities from the ASM Framework, effective April 01, 2026.
Impact
High
Severity
High
Justification
Directly affects trading conditions for 31 securities including notable names like IDBI Bank and JSW Holdings; ST-ASM inclusion imposes trading restrictions impacting liquidity and investor behavior.
NSE shortlists 7 securities under ST-ASM Stage I effective March 25, 2026, with applicable margin rates of 50% or existing margin (whichever is higher), capped at 100%.
Impact
High
Severity
High
Justification
Direct trading restrictions with enhanced margin requirements (50%-100%) imposed on 7 securities effective March 25, 2026, significantly affecting trading costs and open positions.
NSE announces the list of securities subject to the Reversal Trade Cancellation Mechanism (RTCM) for April 2026, covering 300+ stocks under enhanced surveillance.
Impact
High
Severity
High
Justification
RTCM is an NSE surveillance measure that directly cancels reversal trades in listed securities. Inclusion in this list significantly restricts trading patterns for 300+ stocks in the cash market segment for April 2026, with immediate and direct impact on trading activity and liquidity for affected securities.
NSE releases the updated list of 300+ securities subject to the Reversal Trade Cancellation Mechanism (RTCM) for March 2026, a surveillance measure to cancel trades that are reversed within a short timeframe.
Impact
Medium
Severity
Medium
Justification
Affects 300+ securities listed on NSE; RTCM is an active surveillance tool that can result in trade cancellations for reversal patterns, directly impacting traders and brokers dealing in these stocks. High importance due to the large number of securities covered; medium impact as it targets a specific trading behaviour rather than broad market restrictions.
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.
BSE demat auction settlement number 749 listing securities available for auction across various scrips.
Impact
Low
Severity
Low
Justification
Routine demat auction notification affecting settlement operations for specific quantities of various scrips. Standard market procedure with limited broad market impact.
BSE announces changes to securities under Short Term Additional Surveillance Measure framework, including additions, movements between stages, and removals effective October 31, 2025.
Impact
Medium
Severity
Medium
Justification
Updates to surveillance framework affect multiple securities with trading restrictions, requiring investor awareness but limited to specific stocks
BSE updates the list of securities under Short Term Additional Surveillance Measure framework effective October 31, 2025, including new additions, stage movements, and securities moving out of ST-ASM.
Impact
Medium
Severity
Medium
Justification
Affects trading parameters for multiple securities under surveillance framework, impacting liquidity and trading flexibility for listed companies and investors
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.