NSE announces half-yearly review of market lot sizes for SME platform securities, with 22 symbols revised downwards and 521 symbols unchanged, effective April 30, 2026.
Impact
Medium
Severity
Medium
Justification
Routine half-yearly SME lot size review affecting 22 securities with downward revisions; improves liquidity and accessibility for retail investors in SME segment but limited broader market impact.
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.
NSE adds four securities (AUSOMENT, BESTAGRO, MILTON, SMVD) to Enhanced Surveillance Measure Stage I with 100% margin requirement and Trade-for-Trade segment shift effective January 22, 2026.
Impact
High
Severity
High
Justification
Significant impact on affected securities with 100% margin requirement and shift to Trade-for-Trade segment, restricting intraday trading and requiring full upfront margin
NSE shifts multiple securities to Trade-for-Trade segment with 5% price band effective January 22, 2026, requiring settlement on a trade-to-trade basis without netting off.
Impact
High
Severity
High
Justification
Significant trading restriction affecting multiple securities with mandatory trade-to-trade settlement, 5% price band, and removal from rolling segment impacting liquidity and trading strategies