NSE imposes Short-Term Additional Surveillance Measure (ST-ASM) Stage I on 5 securities with increased margin requirements of 50% effective January 28, 2026.
Impact
High
Severity
High
Justification
Significant margin increase to 50% for 5 securities impacts trading costs and liquidity for affected stocks
BSE demat auction listing 105 scrips with their respective quantities for settlement number 784 dated December 26, 2025.
Impact
Medium
Severity
Medium
Justification
Standard demat auction for settlement obligations affecting 105 scrips. Medium impact as it involves delivery failures requiring auction settlement, but is a regular operational 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.