HKEX Large-Scale Error Trade Practice

Published on: Apr 28, 2025

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.
Regulators
HKEX
Entity Types
B/D; Depo; Exch; FCM
Reference
Cir MO/DT/089/25, Form, 4/23/2025
Functions
BCS; Compliance; Financial; Operations; Risk; Trading
Countries
Hong Kong
Category
State
N/A
Products
Derivatives; Futures; Securities
Rule Type
Final
Regions
AP
Rule Date
Apr 23, 2025
Effective Date
May 30, 2025
Rule ID
251717
Linked to
Reg. Last Update
Apr 23, 2025
Report Section
International