Client Notices

Select By Year:

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

Y = Applicable

Date	Ref No.	Subject	Securities Market Data	Derivatives Market Data		Issuer News	Stock Connect Market Data
Date	Ref No.	Subject	OMD-C	OMD-D	D-LITE	IIS	OMD-CC
29/12/2023	MDD/23/1688_C	Revised Last Trading Day and Final Settlement Day of MSCI China A 50 Connect (USD) Index Futures February 2024 Contract Enclosure 1 : Exchange Circular (English)		Y	Y
27/12/2023	MDD/23/1685_C	2024 HKEX Calendar, Operation Calendar for Market Data Systems, and Index Feed Arrangement in Hong Kong Holidays Enclosure 1 : 2024 HKEX Calendar Enclosure 2 : 2024 Market Data Systems Operation Calendar Enclosure 3 : 2024 Index Feed Arrangement in Hong Kong Holidays	Y	Y	Y	Y	Y
22/12/2023	MDD/23/1684_C	Market Data Marketing Programmes relating to Stock Connect - Update	Y	Y	Y	Y
20/12/2023	MDD/23/1678_C	Post Release Tests for Firmware Upgrade of HKEX Backbone Network for Securities Market Systems Enclosure 1 : Exchange Circulars (English)	Y				Y
18/12/2023	MDD/23/1677_C	Planned Activities - Initiatives in Relation to Market Data Systems for 2024	Y	Y	Y	Y	Y
05/12/2023	MDD/23/749_C	Updates on IIS Technical Upgrade - Provisioning of IIS Certification Test Environment and Updated IIS TS Enclosure 1 : IIS Transmission Specification version 4.2				Y
29/11/2023	MDD/23/735_C	Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for Introduction of the 10-year China Ministry of Finance Treasury Bond Futures Enclosure 1 : Exchange Circular (English) Enclosure 2 : Vendor Access Codes Confirmation Form		Y	Y
22/11/2023	MDD/23/714_C	Introduction of Market Data Fees Pilot Programme for Retail Participation	Y	Y	Y	Y
22/11/2023	MDD/23/710_C	Final Strike Information for New World Development Co. Ltd Stock Option Contracts after the Capital Adjustment Enclosure 1 : Final strike info for New World Dev stock options		Y	Y
15/11/2023	MDD/23/690_C	Second Practice Session for Firmware Upgrade of HKEX Backbone Network for Securities Market Systems Enclosure 1 : Exchange Circular (English)	Y				Y
08/11/2023	MDD/23/667_C	Practice Session for Firmware Upgrade of HKEX Backbone Network for Securities Market Systems Enclosure 1 : Exchange Circular (English)	Y				Y
13/10/2023	MDD/23/626_C	Revised Last Trading Day and Final Settlement Day of MSCI Philippines (USD) Index Futures October 2023 contract Enclosure 1 : Exchange Circular (English)		Y	Y
10/10/2023	MDD/23/615_C	Mainland Market Data Hub ('MMDH') Data Centre Failover Drill on 11 November 2023	Y
03/10/2023	MDD/23/603_C	Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Capital Adjustment of New World Development Co. Ltd Stock Futures and Option Contracts - Conditional Special Dividend Enclosure 1 : Exchange Circulars (English)		Y	Y
31/08/2023	MDD/23/550_C	Final Strike Information for Swire Pacific Ltd. 'A' Stock Option Contracts after the Capital Adjustment Enclosure 1 : Final strike information for Swire Pacific A stock		Y	Y
30/08/2023	MDD/23/494_C	Updated Implementation Schedule for the Issuer Information feed Service (IIS) Technical Upgrade Enclosure 1 : IIS Transmission Specification version 4.1.pdf				Y
23/08/2023	MDD/23/538_C	Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Capital Adjustment of Swire Pacific Ltd. 'A' Stock Futures and Option Contracts - Special Dividend Enclosure 1 : Exchange Circulars (English)		Y	Y
15/08/2023	MDD/23/510_C	Discontinuation of HKEX Gold Futures Indices Dissemination in OMD Index Datafeed Enclosure 1 : OMD-C Connectivity Guide (version 2.6) Enclosure 2 : OMD-C Interface Specifications (version 1.37) Enclosure 3 : OMD-C MMDH Interface Specifications (version 1.36)	Y	Y	Y
04/08/2023	MDD/23/496_C	Launch of Enhancement to the Block Trade Facility in the Derivatives Market on 28 August 2023 Enclosure 1 : Exchange Circulars (English)		Y	Y
28/07/2023	MDD/23/470_C	Regular Data Centre Failover Rehearsal for Market Data Systems on 19 August 2023 Enclosure 1 : Rundown of the Rehearsal	Y	Y	Y	Y	Y
04/07/2023	MDD/23/442_C	Final Strike Information for Yankuang Energy Group Co. Ltd. Stock Option Contracts after the Capital Adjustment Enclosure 1 : Final strike information for Yankuang Energy stock		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)