On Apr. 23, HKEX issued circular on large-scale error trade practice.
HKEX issued circular on practice session for large-scale error trade (LET) handling procedures on Jun. 7, 2025, as per the planned initiatives for HKATS in 2025.
Follows HKEX Nov. 2024 planned to implement initiatives in 2025 re HKATS, #234020.
Practice Sessions
Aim at enabling exchange participants (EPs) of HKFE and and options trading exchange participants (OTEPs) of HKEX to have a better understanding on the LET handing procedures which is supplemental to the Error trade handling procedures.
Participants of the practice session may refer to the LET handling procedures together with HKFE rules 819BA and 819BB and SEHK options trading rules 540A and 540B.
EPs and OTEPs are expected to pay close attention to the simultaneous market communications, which includes HKATS market messages and other communications.
Plus the subsequent operational arrangements for the trade cancellations.
In addition, EPs and OTEPs are strongly encouraged to arrange trading-related staff and/or responsible officers to participate in the practice session.
Effectiveness
The practice sessions will be held on Jun. 7, 2025; registration by May 30, 2025.