NSE notifies inclusion of securities under Enhanced Surveillance Measure (ESM) framework with 100% margin requirement and movement of securities between ESM stages effective October 27-28, 2025.
Impact
High
Severity
High
Justification
Significant trading restrictions imposed including 100% margin requirement, shift to Trade-for-Trade segment, and 2% price band under Periodic Call Auction for affected securities
BSE updates the list of securities under Enhanced Surveillance Measure framework, including new additions, stage movements, and exits effective October 27, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 68 securities across additions, stage changes, and exits from ESM framework. Medium impact as ESM placement increases trading restrictions and margin requirements for affected stocks.
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.
NSE updates Enhanced Surveillance Measure framework with securities moving between ESM stages effective October 10, 2025.
Impact
Medium
Severity
Medium
Justification
Affects multiple securities under surveillance framework with stage movements requiring traders to adjust strategies for higher margin and price band restrictions.
NSE announces securities moving into ESM Stage-I effective October 07, 2025, including 4 new securities with trading segment changes for some stocks effective October 08, 2025.
Impact
High
Severity
High
Justification
Affects multiple securities with enhanced surveillance restrictions and trading segment changes from EQ/SM to BE/ST, significantly impacting trading activity and investor access