Client Notices
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The client notices have been distributed with all enclosures by e-mail to related Clients. For enquiry, please contact HKEX Information Services Limited ("HKEX-IS") by emailing to hkex-is@hkex.com.hk.

Y = Applicable

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Date Ref No. Subject Securities Market Data Derivatives Market Data Issuer News Stock Connect Market Data
OMD-C OMD-D D-LITE IIS OMD-CC
31/03/2023 MDD/23/257 End of Stabilization Period for the launch of the Increase of Time Precision of Trade Time Field in HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH)
Enclosure 1 : Participant circular

Y

27/03/2023 MDD/23/145 End of Stabilization Period for the Implementation of the Compression Mechanism on HKEX Orion Market Data Platform - Derivatives Market (OMD-D) Derivatives Standard (DS) (SOM) Datafeed and Updates on OMD-D Connectivity Guide
Enclosure 1 : OMD-D Connectivity Guide version 1.19

Y

Y

14/03/2023 MDD/23/228 Market Rehearsal for the Removal of Account Password Requirement in Issuer Information feed Service (IIS)

Y

03/03/2023 MDD/23/127 Final Strike Information for Three New Stock Option Classes Available for Trading on 6 March 2023
Enclosure 1 : Final strike info for 3 new Stock Option Classes

Y

Y

03/03/2023 MDD/23/128 Launch of the Expansion of Eligible Stocks under Stock Connect
Enclosure 1 : Participant Circular (English)

Y

03/03/2023 MDD/23/126 Arrangements for the launch of the Increase of Time Precision of Trade Time Field in HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH)
Enclosure 1 : Participant circular (English)
Enclosure 2 : Test Rundown of the Post Release Test

Y

27/02/2023 MDD/23/113 Arrangement for the Implementation of Compression Mechanism on HKEX Orion Market Data Platform - Derivatives Market (OMD-D) Derivatives Standard (DS) (SOM) Datafeed

Y

Y

24/02/2023 MDD/23/102 Increase the Minimum Bandwidth Requirement for HKEX Orion Market Data Platform - Derivatives Market (OMD-D) Derivatives Premium (DP) and FullTick (DF) Datafeeds
Enclosure 1 : OMD-D Connectivity Guide version 1.18

Y

Y

24/02/2023 MDD/23/108 Launch of Trading Calendar Enhancement for Stock Connect
Enclosure 1 : Participant Circular (English)

Y

23/02/2023 MDD/23/104 Final Strike Information for Link Real Estate Investment Trust Stock Options Contracts after the Capital Adjustment
Enclosure 1 : Final strike information for LNA

Y

Y

20/02/2023 MDD/23/096 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for Introduction of Three New Stock Option Classes
Enclosure 1 : Participant Circular (English)
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

17/02/2023 MDD/23/95 Arrangement for the Removal of Account Password Requirement in Issuer Information feed Service (IIS)
Enclosure 1 : IIS Transmission Specification v3.20.pdf
Enclosure 2 : IIS Transmission Specification (Headline)v2.17.pdf

Y

14/02/2023 MDD/23/092 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Capital Adjustment of Link Real Estate Investment Trust Stock Futures and Options Contracts - Rights Issue
Enclosure 1 : Participant Circulars (English)

Y

Y

10/02/2023 MDD/23/082 Practice Session for Increase of Time Precision of Trade Time Field in HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH)
Enclosure 1 : Participant circular (English)
Enclosure 2 : Test Rundown of the Practice Session

Y

16/01/2023 MDD/23/035 Market Rehearsals for Compression Mechanism on HKEX Orion Market Data Platform - Derivatives Market (OMD-D) DS (SOM) Datafeed

Y

Y

12/01/2023 MDD/23/034 Revised Last Trading Day and Final Settlement Day of INR/CNH Futures, INR/USD Futures, MSCI Taiwan (USD) Index Futures and Options, MSCI Taiwan 25/50 (USD) Index Futures and MSCI Indonesia (USD) Index Futures Contracts
Enclosure 1 : Participant Circular (English)

Y

Y

04/01/2023 MDD/23/006 Final Strike Information for Tencent Holdings Ltd. Stock Options Contracts after the Capital Adjustment
Enclosure 1 : Final strike information for Tencent stock options

Y

Y

OMD-C = Orion Market Data Platform - Securities Market
OMD-D = Orion Market Data Platform - Derivatives Market
D-LITE = Derivatives Lite Datafeed
IIS = Issuer Information feed Service
OMD-CC = Orion Market Data Platform - China Connect (Securities)