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.
BSE circular listing securities added to, moved within, and removed from the Short Term 5/15/30 Days ASM Framework effective March 02, 2026. Eight securities are newly shortlisted and twelve are moving out.
Impact
High
Severity
High
Justification
Directly affects trading conditions for 20 securities across inclusion and exclusion from ST-ASM framework; high impact on affected stock liquidity and investor trading behavior effective March 02, 2026.
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.
NSE circular updating the list of securities under Short-Term Additional Surveillance Measure framework, effective January 16, 2026.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 23 securities under ASM framework. One new security added to Stage-I, five securities excluded from ASM. Impacts trading members and investors in these securities.
BSE announces demat auction for settlement number 797 involving 85 scrips across various companies with specified quantities for auction.
Impact
Medium
Severity
Medium
Justification
Settlement auction affects 85 scrips with varying quantities including one high-volume scrip (Tilak Ventures with 5.99 million shares). This is a routine market operation but with significant scope across multiple companies.
NSE introduces Short-Term Additional Surveillance Measure (ST-ASM) Stage I for 6 securities with 50% margin requirement effective January 5, 2026, while excluding 3 securities from ASM framework.
Impact
High
Severity
High
Justification
High margin requirements (50-100%) significantly impact trading in affected securities, with immediate compliance required for market participants
BSE circular on securities moving into, within, and out of the Short Term Additional Surveillance Measure (ST-ASM) framework effective December 29, 2025.
Impact
Medium
Severity
Medium
Justification
Surveillance measure affecting 25 securities with trading restrictions. Significant for investors in affected stocks but limited broader market impact.
BSE updates on securities entering and exiting Short Term ASM framework effective December 29, 2025, including 9 new additions and 15 removals.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 25 securities with 9 additions and 15 removals from ST-ASM framework, impacting liquidity and trading patterns for affected stocks