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-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
24/09/2021 MDD/21/777 New Headline Categories of Issuer Announcement for Documents on Display
Enclosure 1 : Transmission Specification ver.3.12
Enclosure 2 : Transmission Specification (News Headline) ver.2.9

Y

17/09/2021 MDD/21/760 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Trading Discontinuation of Guangzhou R&F Properties Company Limited Stock Options Contracts
Enclosure 1 : Participant Circular (English)

Y

Y

16/09/2021 MDD/21/755 Final Strike Information for Dongfeng Motor Group Co. Ltd. Stock Options Contracts after the Capital Adjustment
Enclosure 1 : Final strike information for Dongfeng Group Stock

Y

Y

15/09/2021 MDD/21/754 Readiness Declaration for Increase the Minimum Bandwidth Requirement for HKEX Orion Market Data Platform - Securities Market (OMD-C) Premium Datafeed

Y

10/09/2021 MDD/21/742 New Mobile Market Data Service

Y

Y

Y

08/09/2021 MDD/21/739 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Contract Adjustment of ANTA Sports Products Limited Stock Options Contracts - Change in Contract Size
Enclosure 1 : Participant Circulars (English)

Y

Y

08/09/2021 MDD/21/738 Update of the Change of T Session Closing Hour and T+1 Session Opening Hour for selected MSCI Taiwan Index Futures and Options contracts
Enclosure 1 : Participant Circular (English)

Y

Y

03/09/2021 MDD/21/710 Mainland Market Data Promotional Programme for SEHK Exchange Participants

Y

Y

Y

31/08/2021 MDD/21/699 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Capital Adjustment of Dongfeng Motor Group Co. Ltd. Stock Options Contracts - Special Dividend
Enclosure 1 : Participant Circulars (English)

Y

Y

20/08/2021 MDD/21/670 Final Strike Information for Physically Settled Options Contracts on Hang Seng Index Futures and Hang Seng China Enterprises Index Futures Available for Trading on 23 August 2021
Enclosure 1 : Final strike information for OOF

Y

Y

20/08/2021 MDD/21/681 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Introduction of MSCI China A 50 Connect (USD) Index Futures
Enclosure 1 : Participant Circular (English)
Enclosure 2 : OMD-D Interface Specification v1.39
Enclosure 3 : Vendor Access Codes Confirmation Form

Y

Y

13/08/2021 MDD/21/654 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for Change of T Session Closing Hour and T+1 Session Opening Hour for selected MSCI Taiwan Index Futures and Options contracts
Enclosure 1 : Participant Circular (English)
Enclosure 2 : OMD-D Developer Guide (v1.24)

Y

Y

13/08/2021 MDD/21/661 End of Stabilization Period for 1) OMD-D Resilience Enhancement; and (2) Introduction of Additional Matching Engines in HKEX Derivatives Trading System ('HKATS')
Enclosure 1 : OMD-D Connectivity Guide (version 1.17)

Y

Y

12/08/2021 MDD/21/652 Updated Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Introduction of Physically Settled Options Contracts on Hang Seng Index Futures and Hang Seng China Enterprises Index Futures
Enclosure 1 : Participant Circular (English)

Y

Y

11/08/2021 MDD/21/651 Final Strike Information for New Stock Options Class on Li Auto Inc. Available for Trading on 12 August 2021
Enclosure 1 : Final strike info for Li Auto Inc. Stock Options

Y

Y

09/08/2021 MDD/21/639 Arrangement of the Introduction of New Stock Futures Contract and Stock Options Class on Li Auto Inc. in HKEX Orion Market Data Platform - Derivatives Market (OMD-D)
Enclosure 1 : Participant Circulars (English)
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

02/08/2021 MDD/21/617 Increase the Minimum Bandwidth Requirement for HKEX Orion Market Data Platform - Securities Market (OMD-C) Premium Datafeed
Enclosure 1 : OMD-C Connectivity Guide version 2.4

Y

23/07/2021 MDD/21/596 Final Strike Information for Three New Stock Options Classes Available for Trading on 26 July 2021
Enclosure 1 : Final strike information for new stock options

Y

Y

21/07/2021 MDD/21/549 Arrangement for the Launch of (1) OMD-D Resilience Enhancement; and (2) Introduction of Additional Matching Engines in HKEX Derivatives Trading System ('HKATS')

Y

Y

21/07/2021 MDD/21/585 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Introduction of Physically Settled Options Contracts on Hang Seng Index Futures and Hang Seng China Enterprises Index Futures
Enclosure 1 : Participant Circular (English)
Enclosure 2 : OMD-D Interface Specification v1.38
Enclosure 3 : Vendor Access Codes Confirmation Form

Y

Y

16/07/2021 MDD/21/573 Final Strike Information for Two New Stock Options Classes Available for Trading on 19 July 2021
Enclosure 1 : Final strike information for two new stock options

Y

Y

06/07/2021 MDD/21/528 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Introduction of Six New Stock Futures Contracts and Five New Stock Options Classes
Enclosure 1 : Participant Circulars (English)
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

06/07/2021 MDD/21/526 Final Strike Information for New Stock Options Class on XPeng Inc. Available for Trading on 7 July 2021
Enclosure 1 : Final strike information for XPeng Stock Options

Y

Y

02/07/2021 MDD/21/519 Arrangement of the Introduction of New Stock Futures Contract and Stock Options Class on XPeng Inc. in HKEX Orion Market Data Platform - Derivatives Market (OMD-D)
Enclosure 1 : Participant Circulars (English)
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

30/06/2021 MDD/21/513 Revision of Stock Code Allocation Plan
Enclosure 1 : Stock Code Allocation Plan (Updated on 30 June 21)

Y

24/06/2021 MDD/21/494 Update on the Addition of Headline Category in Issuer Information feed Service ('IIS') Effective on 11 July 2021
Enclosure 1 : IIS Transmission Specification version 3.11a
Enclosure 2 : IIS Transmission Specification version 2.8a

Y

22/06/2021 MDD/21/484 Final Strike Information for Yanzhou Coal Mining Co. Ltd. Stock Options Contracts after the Capital Adjustment
Enclosure 1 : Final strike information

Y

Y

18/06/2021 MDD/21/478 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Change of Trading Information for 7 MSCI Index Futures Contracts
Enclosure 1 : Participant Circulars (English)
Enclosure 2 : OMD-D Interface Specification v1.37
Enclosure 3 : Vendor Access Codes Confirmation Form

Y

Y

17/06/2021 MDD/21/470 Market Rehearsal for (1) OMD-D Resilience Enhancement; and (2) Introduction of Additional Matching Engines in HKEX Derivatives Trading System ('HKATS')

Y

Y

17/06/2021 MDD/21/473 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Revised Last Trading Day and Final Settlement Day of FTSE/JSE Top40 Futures December 2021 Contract
Enclosure 1 : Participant Circular (English)

Y

Y

10/06/2021 MDD/21/459 Addition of New Headline Categories in Issuer Information feed Service (IIS)
Enclosure 1 : IIS Transmission Specification version 3.11
Enclosure 2 : IIS Transmission Specification(News Headline v2.8)

Y

10/06/2021 MDD/21/461 Change of Board Lot Size of the Underlying Stock of Kingsoft Corporation Limited Stock Futures and Options Contracts
Enclosure 1 : Participant Circulars (English)

Y

Y

04/06/2021 MDD/21/435 Hong Kong Securities and Derivatives Markets Holiday Schedule for Year 2022
Enclosure 1 : Participant Circulars

Y

Y

Y

Y

Y

03/06/2021 MDD/21/433 Final Strike Information for The Hong Kong and China Gas Company Ltd. Stock Options Contracts after the Capital Adjustment
Enclosure 1 : Final strike information

Y

Y

28/05/2021 MDD/21/418 Final Strike Information for Kunlun Energy Company Limited Stock Options Contracts after the Capital Adjustment
Enclosure 1 : Final strike information

Y

Y

28/05/2021 MDD/21/419 Arrangement upon Issuance of Typhoon, Extreme Conditions, and/or Rainstorm Warning Signal

Y

Y

Y

Y

Y

21/05/2021 MDD/21/403 Arrangement in HKEX Orion Market Data Platform - Derivatives Market ('OMD-D') for (1) Introduction of Additional Matching Engines in HKEX Derivatives Trading System ('HKATS'); and (2) Update on Implementation Schedule for OMD-D Resilience Enhancement
Enclosure 1 : Participant Circular (English)
Enclosure 2 : OMD-D Developers Guide (version 1.23)
Enclosure 3 : OMD-D Connectivity Guide (version 1.16)

Y

Y

21/05/2021 MDD/21/401 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Capital Adjustment of Yanzhou Coal Mining Co. Ltd. Stock Futures and Options Contracts - Special Dividend
Enclosure 1 : Participant Circulars (English)

Y

Y

10/05/2021 MDD/21/384 Updates on Implementation Details for Resilience Enhancement on HKEX Orion Market Data Platform - Derivatives Market (OMD-D)

Y

Y

10/05/2021 MDD/21/382 Arrangement in HKEX Orion Market Data Platform-Derivatives Market (OMD-D) for Revision of Minimum Fluctuation and Rounding Method of Final Settlement Price for HSI Gross / Net Total Return and MSCI Hong Kong Net Total Return (USD) Index Futures Contracts
Enclosure 1 : Participant Circular (English)
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

07/05/2021 MDD/21/370 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the After-Hours Trading on 31 May 2021
Enclosure 1 : Participant Circular (English)

Y

Y

29/04/2021 MDD/21/323 Arrangement in HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH) for (1) Introduction of New Product Types for ETFs and (2) Provision of Additional Attributes in Reference Data for Debt Securities
Enclosure 1 : Participant circular
Enclosure 2 : OMD-C Interface Specification v1.34
Enclosure 3 : OMD-C MMDH Interface Specification v1.33

Y

23/04/2021 MDD/21/322 End of Stabilisation Period for Resilience Enhancement on HKEX Orion Market Data Platform - Securities Market & Index Datafeed

Y

Y

Y

15/04/2021 MDD/21/301 Updated Test Application Forms for Market Data Test Service
Enclosure 1 : Test Application Form - New Clients
Enclosure 2 : Test Application Form - Existing Clients
Enclosure 3 : Test Application Form for ISVs

Y

Y

Y

Y

08/04/2021 MDD/21/285 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Launch of Mini USD/CNH Futures Contract on 26 April 2021
Enclosure 1 : Participant Circular (English)

Y

Y

08/04/2021 MDD/21/284 Arrangement for the Launch of Backbone Network Upgrade and Relocation of Secondary Data Centre for Issuer Information feed Service ('IIS')

Y

07/04/2021 MDD/21/282 Introduction Material and Frequently Asked Questions for Resilience Enhancement on HKEX Orion Market Data Platform - Derivatives Market (OMD-D)
Enclosure 1 : Intro. Material for OMD-D Resilience Enhancement
Enclosure 2 : FAQs for Resilience Enhancement on OMD-D

Y

Y

01/04/2021 MDD/21/272 End of Stabilization Period for (1) Technical Refresh for HKEX Orion Market Data Platform - Derivatives Market (OMD-D) and (2) Application Hardware Upgrade, Backbone Network Upgrade and Relocation of Secondary Data Centre for Derivatives Market Systems

Y

Y

26/03/2021 MDD/21/262 Final Strike Information for New Stock Options Class on Bilibili, Inc. Available for Trading on 29 March 2021
Enclosure 1 : Final strike Info for Bilibili, Inc. Stock Options

Y

Y

26/03/2021 MDD/21/261 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Capital Adjustment of Kunlun Energy Company Limited Stock Options Contracts - Special Dividend
Enclosure 1 : Participant Circulars (English)

Y

Y

24/03/2021 MDD/21/250 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Introduction of New Stock Futures Contract and Stock Options Class on Bilibili, Inc.
Enclosure 1 : Participant Circulars (English)
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

Y

Y

Y

24/03/2021 MDD/21/252 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Capital Adjustment of The Hong Kong and China Gas Company Ltd. Stock Futures and Options Contracts - Bonus Issue
Enclosure 1 : Participant Circulars (English)

Y

Y

22/03/2021 MDD/21/240 Final Strike Information for New Stock Options Class on Baidu, Inc. Available for Trading on 23 March 2021
Enclosure 1 : Final strike information for Baidu, Inc. Stock Opt

Y

Y

19/03/2021 MDD/21/234 Arrangement of the Introduction of New Stock Futures Contract and Stock Options Class on Baidu, Inc. in HKEX Orion Market Data Platform - Derivatives Market (OMD-D)
Enclosure 1 : Participant Circulars (English)
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

18/03/2021 MDD/21/232 Implementation Details for Resilience Enhancement on HKEX Orion Market Data Platform - Derivatives Market (OMD-D)
Enclosure 1 : OMD-D Interface Specification (version 1.36)
Enclosure 2 : OMD-D Developers Guide (version 1.22)
Enclosure 3 : OMD-D Connectivity Guide (version 1.15)

Y

Y

16/03/2021 MDD/21/217 Arrangement for the Launch of Enhancement of Volatility Control Mechanism ('VCM') and Pre-Market Opening Session ('POS') in the Derivatives Market
Enclosure 1 : Participant Circular

Y

Y

15/03/2021 MDD/21/186 Schedule Adjustment on the Second Market Rehearsal for Backbone Network Upgrade and Relocation of Secondary Data Centre (SDC) for Issuer Information feed Service (IIS)

Y

12/03/2021 MDD/21/199 Final Strike Information for MSCI Taiwan (USD) Index Options and MSCI China Free (USD) Index Options Contracts Available for Trading on 15 March 2021
Enclosure 1 : Final strike information for MSCI Taiwan (USD) and

Y

Y

12/03/2021 MDD/21/209 One Year Fixed Fee Programme - Update

Y

Y

Y

Y

11/03/2021 MDD/21/188 Arrangement for the Launch of (1) Technical Refresh for HKEX Orion Market Data Platform - Derivatives Market (OMD-D) and (2) Application Hardware Upgrade, Backbone Network Upgrade and Relocation of Secondary Data Centre for Derivatives Market Systems

Y

Y

10/03/2021 MDD/21/198 Updated Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Introduction of MSCI Taiwan (USD) Index Options and MSCI China Free (USD) Index Options Contracts
Enclosure 1 : Participant Circular (English)

Y

Y

05/03/2021 MDD/21/175 Launch of (1) Multiple Triggers for Volatility Control Mechanism (VCM) and (2) Increase of Maximum Number of Outstanding Orders per Price Queue in the Securities Market in OMD-C and MMDH
Enclosure 1 : Participant Circular

Y

02/03/2021 MDD/21/168 Change of Launch Date of (1) Technical Refresh for HKEX Orion Market Data Platform - Derivatives Market (OMD-D) and (2) Application Hardware Upgrade, Backbone Network Upgrade and Relocation of Secondary Data Centre for Derivatives Market Systems

Y

Y

01/03/2021 MDD/21/166 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Introduction of MSCI Taiwan (USD) Index Options and MSCI China Free (USD) Index Options Contracts
Enclosure 1 : Participant Circular
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

23/02/2021 MDD/21/155 Market Rehearsals for Backbone Network Upgrade and Relocation of Secondary Data Centre (SDC) for Issuer Information feed Service (IIS)

Y

22/02/2021 MDD/21/147 Change of Headline Category in Issuer Information feed Service ('IIS')
Enclosure 1 : Transmission Specification version 3.10
Enclosure 2 : Transmission Specification (News Headline) ver 2.7

Y

19/02/2021 MDD/21/142 Arrangement for the Launch of 1) Technical Refresh for HKEX Orion Market Data Platform - Derivatives Market (OMD-D); and 2) Application Hardware Upgrade, Backbone Network Upgrade and Relocation of Secondary Data Centre for Derivatives Market Systems

Y

Y

10/02/2021 MDD/21/132 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for the Change of Trading Information for MSCI China Free (USD) Index Futures
Enclosure 1 : Participant Circulars (English)
Enclosure 2 : OMD-D Interface Specification v1.35
Enclosure 3 : Vendor Access Codes Confirmation Form

Y

Y

04/02/2021 MDD/21/126 Final Strike Information for New Stock Options Class on Kuaishou Technology Available for Trading on 5 February 2021
Enclosure 1 : Final strike information for KST Stock Options

Y

Y

01/02/2021 MDD/21/111 Arrangement of the Revised Last Trading Day and Final Settlement Day of INR/USD Futures March 2021 Contract and INR/CNH Futures August 2021 Contract in HKEX Orion Market Data Platform - Derivatives Market (OMD-D)
Enclosure 1 : Participant Circular (English)

Y

Y

01/02/2021 MDD/21/110 Arrangement of the Introduction of New Stock Futures Contract and Stock Options Class on Kuaishou Technology in HKEX Orion Market Data Platform - Derivatives Market (OMD-D)
Enclosure 1 : Participant Circulars (English)
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

28/01/2021 MDD/21/102 Revision of Stock Code Allocation Plan
Enclosure 1 : Stock Code Allocation Plan (Update on 28 Jan 2021)

Y

25/01/2021 MDD/21/094 Practice Session for the Enhancement of Volatility Control Mechanism ('VCM') and Pre-Market Opening Session ('POS') of the Derivatives Market
Enclosure 1 : Participant Circular (English)

Y

Y

22/01/2021 MDD/21/90 Final Strike Information for Two New Stock Options Classes Available for Trading on 25 January 2021
Enclosure 1 : Final strike information for two new stock options

Y

Y

21/01/2021 MDD/21/088 Arrangement of the Introduction of Mini USD/CNH Futures Contract in HKEX Orion Market Data Platform - Derivatives Market (OMD-D)
Enclosure 1 : Participant Circular (English)
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

15/01/2021 MDD/21/73 Final Strike Information for Hang Seng TECH Index Options Available for Trading on 18 January 2021
Enclosure 1 : Final strike information for Hang Seng TECH Index

Y

Y

15/01/2021 MDD/21/72 Arrangement of the Introduction of Two New Stock Futures Contracts and Stock Options Classes in HKEX Orion Market Data Platform - Derivatives Market (OMD-D)
Enclosure 1 : Participant Circulars (English)
Enclosure 2 : Vendor Access Codes Confirmation Form

Y

Y

13/01/2021 MDD/21/56 Change of Launch Date of Resilience Enhancement on HKEX Orion Market Data Platform - Securities Market & Index Datafeed

Y

11/01/2021 MDD/21/034 Addition and Updates to HKEX Data Products

Y

Y

Y

Y

Y

07/01/2021 MDD/21/23 Arrangement of the (1) Implementation of Multiple Triggers for Volatility Control Mechanism (VCM) and the (2) Increase of Maximum Number of Outstanding Orders per Price Queue in the Securities Market in HKEX Orion Market Data Platform - Securities Market
Enclosure 1 : Participant Circular (English)

Y

06/01/2021 MDD/21/22 Arrangement in HKEX Orion Market Data Platform - Derivatives Market (OMD-D) for Enhancements for Volatility Control Mechanism (VCM) and Pre-Market Opening Session (POS) in the Derivatives Market
Enclosure 1 : Participant Circular (English)

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