The National Stock Exchange (NSE) on June 30, 2026, issued a circular regarding Same Group Trade Cancellation Mechanism (SGTCM) in Equity & Equity Derivatives Segments.
The following has been stated:-
•The National Stock Exchange (NSE) has introduced a Same Group Trade Cancellation Mechanism (SGTCM) that allows automatic cancellation of trades executed between same-group or related entities identified through PAN in the Equity and Equity Derivatives segments.
•Trading members must submit details of related entities in a prescribed CSV format by 3:30 PM on T day, after which the mechanism will apply from T+1 day.
•The Exchange will cancel eligible trades intraday, even if the related entities trade through different trading members.
•The facility applies only during the normal/continuous market session and also covers client code modifications during market hours.
•Use of SGTCM is voluntary for trading members, and the implementation date will be announced separately.
[Circular No: 488/2026]
