NSE Surveillance has decided to shift 20 securities from Rolling segment (EQ/SM) to Trade for Trade segment (BE/ST) with a 5% price band effective May 19, 2026, as part of ongoing market safety review.
Impact
High
Severity
High
Justification
Directly affects trading and settlement methodology for 20 listed securities; no netting off allowed in T2T segment significantly impacts intraday traders and liquidity for the affected scrips effective May 19, 2026.
BSE demat auction settlement listing securities and quantities for 89 scrips scheduled for auction on December 11, 2025.
Impact
Medium
Severity
Medium
Justification
Routine demat auction affecting 89 scrips with varying quantities; impacts brokers and clients with failed delivery obligations but is standard market settlement process
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.