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

Date	Ref No.	Subject	Securities Market Data	Derivatives Market Data		Issuer News
Date	Ref No.	Subject	OMD-C	OMD-D	D-LITE	IIS
31/12/2019	MDD/19/1403	Planned Activities / Initiatives In Relation to Market Data Systems for 2020	Y	Y	Y	Y
30/12/2019	MDD/19/1406	Practice Session for Introduction of New Spread Table Code for Inline Warrants, Exchange Traded Funds (ETF) and Leveraged and Inverse (L&I) Products Enclosure 1 : Participant Circular (English)	Y
24/12/2019	MDD/19/1394	OMD Operation Calendar, Index Feed Calendar and Trading Calendar 2020 of Hong Kong Exchanges and Clearing Limited (HKEX) Enclosure 1 : Trading Calendar 2020 of HKEX Enclosure 2 : OMD Operation Calendar 2020 Enclosure 3 : 2020 Index Feed Calendar	Y	Y	Y	Y
17/12/2019	MDD/19/1306	Updated Technical Documents for Discontinuation of Disseminating Estimated Average Settlement Price message on HKEX Orion Market Data Platform - Derivatives Market (OMD-D) Enclosure 1 : OMD-D Interface Specification (version 1.29) Enclosure 2 : OMD-D Connectivity Guide (version 1.13) Enclosure 3 : OMD-D Developers Guide (version 1.20)		Y	Y
04/12/2019	MDD/19/1237	Introduction of New Spread Table Code for Exchange Traded Funds and Leveraged and Inverse Products in HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH) Enclosure 1 : Participant Circular (English) Enclosure 2 : OMD-C Interface Specifications (version 1.30) Enclosure 3 : OMD-C MMDH Interface Specifications (version 1.29)	Y
04/12/2019	MDD/19/1294	Handout for HKEX Market Data Conference 2019 on 21 and 22 November 2019 (Thursday and Friday) Enclosure 1 : Presentation foils for Market Data Conference 2019	Y	Y
28/11/2019	MDD/19/1264	Launch of Technical Refresh for HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH) Enclosure 1 : Launch Arrangement for OMDC&MMDH Technical Refresh	Y
26/11/2019	MDD/19/1262	Removal of three Hang Seng Sector Indexes in HKEX Orion Market Data Platform (OMD)- Index Datafeed Enclosure 1 : OMD-C Interface Specifications (version 1.29) Enclosure 2 : OMD-C MMDH Interface Specifications (version 1.28)	Y	Y	Y
25/11/2019	MDD/19/1261	Introduction of New Stock Futures Contract and Stock Options Class on Alibaba Group Holding Limited Enclosure 1 : Final strike information		Y	Y
25/11/2019	MDD/19/1260	Post Release Test for Discontinuation of Disseminating Estimated Average Settlement Price message on HKEX Orion Market Data Platform - Derivatives Market (OMD-D)		Y	Y
20/11/2019	MDD/19/1254	Introduction of New Stock Futures Contract and Stock Options Class on Alibaba Group Holding Limited Enclosure 1 : Participant Circulars Enclosure 2 : Vendor Access Codes Confirmation Form		Y	Y
18/11/2019	MDD/19/1259	Product Enhancements to Renminbi Currency ('USD/CNH') Options and Cash-Settled CNH/USD Futures Contracts Enclosure 1 : Final strike information		Y	Y
08/11/2019	MDD/19/1242	Introduction of New Stock Futures Contract and Stock Options Class on Yanzhou Coal Mining Company Limited Enclosure 1 : Final strike information		Y	Y
08/11/2019	MDD/19/1127	Updates on Marketing Programme for New Derivatives Products and Derivatives Market Data Distribution Partnership Programme	Y	Y	Y
05/11/2019	MDD/19/1228	HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH) - Emergency Drill Scheduled for 30 November 2019	Y
31/10/2019	MDD/19/1216	Introduction of New Spread Table Code for Inline Warrants in HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH) Enclosure 1 : Participant Circular Enclosure 2 : OMD-C Interface Specifications (version 1.28) Enclosure 3 : OMD-C MMDH Interface Specifications (version 1.27) Enclosure 4 : Supplementary Info. Sheet for Testing Facilities	Y
29/10/2019	MDD/19/1211	Revision of Stock Code Allocation Plan Enclosure 1 : Stock Code Allocation Plan	Y
28/10/2019	MDD/19/1208	Updates on Discontinuation of Disseminating Estimated Average Settlement Price message on HKEX Orion Market Data Platform - Derivatives Market (OMD-D)		Y	Y
25/10/2019	MDD/19/1198	Capital Adjustment of Yanzhou Coal Mining Company Limited Stock Futures and Options Contracts - Special Dividend Enclosure 1 : Participant Circulars		Y	Y
23/10/2019	MDD/19/1190	HKEX Orion Market Data Platform - Derivatives Market (OMD-D) - Emergency Drill Scheduled for 16 November 2019		Y	Y
18/10/2019	MDD/19/1188	Product Enhancements to Renminbi Currency ('USD/CNH') Options and Cash-Settled CNH/USD Futures Contracts Enclosure 1 : Participant Circular		Y	Y
11/10/2019	MDD/19/1176	HKEX Market Data Conference 2019 on 21-22 November 2019 in Hangzhou, China Enclosure 1 : HKEX Market Data Conference 2019 Booth Reservation	Y	Y	Y	Y
08/10/2019	MDD/19/1173	Introduction of Indian Rupee Currency Futures Contracts Enclosure 1 : Participant Circulars		Y	Y
27/09/2019	MDD/19/1153	Introduction of New Stock Futures Contract and Stock Options Class on Budweiser Brewing Company APAC Limited Enclosure 1 : Final strike information		Y	Y
27/09/2019	MDD/19/1147	Closing Auction Session Expansion to be effective on 8 October 2019 Enclosure 1 : Participant Circulars	Y
24/09/2019	MDD/19/1123	Introduction of New Stock Futures Contract and Stock Options Class on Budweiser Brewing Company APAC Limited Enclosure 1 : Participant Circulars Enclosure 2 : Vendor Access Codes Confirmation Form		Y	Y
23/09/2019	MDD/19/1132	Revision of Stock Code Allocation Plan Enclosure 1 : Stock Code Allocation Plan	Y
20/09/2019	MDD/19/1128	Regular Site Failover Rehearsal for Market Data Systems on 19 October 2019	Y	Y	Y	Y
10/09/2019	MDD/19/1071	Practice Session for Closing Auction Session Expansion Enclosure 1 : Participant Circulars	Y
06/09/2019	MDD/19/1065	Technical Refresh for HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH) Enclosure 1 : OMD-C MMDH Interface Specifications (version 1.26) Enclosure 2 : OMD-C MMDH Developers Guide (version 1.8)	Y
03/09/2019	MDD/19/1051	Introduction of Indian Rupee Currency Futures Contracts Enclosure 1 : Participant Circulars Enclosure 2 : Vendor Access Codes Confirmation Form		Y	Y
21/08/2019	MDD/19/953	Introduction of Weekly Hang Seng Index Options and Weekly Hang Seng China Enterprises Index Options Contracts Enclosure 1 : Participant Circulars		Y	Y
20/08/2019	MDD/19/925	Post Release Test for Operating System Upgrade and Discontinuation of Disseminating Stock Estimated Average Settlement Price message on HKEX Orion Market Data Platform - Derivatives Market (OMD-D)		Y	Y
08/08/2019	MDD/19/916	Handout for Market Data Information Day on 7 August 2019 (Wednesday) Enclosure 1 : Presentation foils for Market Data Information Day	Y	Y	Y
08/08/2019	MDD/19/915	OMD-D Arrangement for the Introduction of Weekly Hang Seng Index Options and Weekly Hang Seng China Enterprises Index Options Contracts Enclosure 1 : Participant Circulars Enclosure 2 : Vendor Access Codes Confirmation Form		Y	Y
02/08/2019	MDD/19/896	End-to-End Test and Practice Sessions for Closing Auction Session Expansion Enclosure 1 : Participant Circulars	Y			Y
24/07/2019	MDD/19/878	Updates on Operating System Upgrade and Discontinuation of Disseminating Estimated Average Settlement Price message on HKEX Orion Market Data Platform - Derivatives Market (OMD-D)		Y	Y
19/07/2019	MDD/19/846	Market Data Information Day on 7 August 2019 (Wednesday)	Y	Y	Y	Y
12/07/2019	MDD/19/845	Trading Arrangements in the event of 'Extreme Conditions' announced by the Government after Super Typhoons Enclosure 1 : Participant Circulars	Y	Y	Y	Y
09/07/2019	MDD/19/732	Incorrect Index Values of HKEX USD Gold Futures - Spot Price Index and HKEX CNH Gold Futures - Spot Price Index on 5 July 2019 (Friday) Enclosure 1 : Corrected Index Values of HKGDUSP and HKGDRSP	Y	Y	Y
09/07/2019	MDD/19/731	Arrangement on HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH) for cancellation of Inline Warrants Trades executed above 1 HKD Enclosure 1 : Participant Circular (English version)	Y
08/07/2019	MDD/19/728	OMD-D Arrangement for the Introduction of the USD-denominated London Metal Mini Futures Enclosure 1 : Participant Circulars Enclosure 2 : Vendor Access Codes Confirmation Form Enclosure 3 : OMD-D Interface Specifications (version 1.28)		Y	Y
05/07/2019	MDD/19/707	Closing Auction Session Expansion Enclosure 1 : Participant Circular	Y
05/07/2019	MDD/19/718	HGC Global Communications Limited ceases to be Securities and Derivatives Network Accredited Vendor effective on 1 May 2020	Y	Y	Y	Y
02/07/2019	MDD/19/684	Post Release Test for Changes to IIS on Unifying Character Encoding and Strengthening Password Requirement on 13 July 2019 Enclosure 1 : IIS Transmission Specification (v3.7) Enclosure 2 : IIS Transmission Specification(News Headline-v2.4)				Y
26/06/2019	MDD/19/690	Operating System Upgrade and Discontinuation of Disseminating Estimated Average Settlement Price message on HKEX Orion Market Data Platform - Derivatives Market (OMD-D) Enclosure 1 : OMD-D Interface Specifications (v1.27) Enclosure 2 : OMD-D Developers Guide (v1.19)		Y	Y
21/06/2019	MDD/19/677	Revision of Stock Code Allocation Plan Enclosure 1 : Stock Code Allocation Plan	Y
19/06/2019	MDD/19/673	Introduction of Inline Warrant on HKEX Orion Market Data Platform - Securities Market (OMD-C) and Mainland Market Data Hub (MMDH) Enclosure 1 : OMD-C Interface Specification v1.27 Enclosure 2 : OMD-C MMDH Interface Specification v1.25	Y
11/06/2019	MDD/19/644	Index Information Supplied by China Securities Index Company Limited Enclosure 1 : Letter on Index Information Supplied by CSIC Enclosure 2 : Guiding Note on Index Information supplied by CSIC	Y	Y	Y
31/05/2019	MDD/19/615	Revision of Stock Code Allocation Plan Enclosure 1 : Stock Code Allocation Plan	Y
31/05/2019	MDD/19/624	HKATS and DCASS Upgrade Post Launch Arrangement			Y
29/05/2019	MDD/19/605	Capital Adjustment of Henderson Land Development Co. Ltd. Stock Futures and Options Contracts - Bonus Issue Enclosure 1 : Final strike information		Y	Y
29/05/2019	MDD/19/604	Capital Adjustment of The Hong Kong and China Gas Company Ltd. Stock Futures and Options Contracts - Bonus Issue Enclosure 1 : Final strike information		Y	Y
29/05/2019	MDD/19/602	OMD-D Arrangement for the Trading Discontinuation of 4 Sector Index Futures Enclosure 1 : Participant Circular		Y	Y
29/05/2019	MDD/19/595	Introduction of HKEX Gold Futures Indices	Y	Y	Y
21/05/2019	MDD/19/287	Introduction of New Indices and Change of Operation Window on HKEX Orion Market Data Platform - Securities Market (OMD-C) and Index Datafeed Products Enclosure 1 : Participant Circular Enclosure 2 : CESC Announcement Enclosure 3 : OMD-C Interface Specifications v1.26 Enclosure 4 : OMD-C MMDH Interface Specifications v1.24	Y	Y	Y
20/05/2019	MDD/19/568	Arrangement of OMD-D for the Rollout of the T+1 Session Trading Hours Extension from 1:00 a.m. to 3:00 a.m. Enclosure 1 : Participant Circular Enclosure 2 : OMD-D Interface Specifications v1.26 Enclosure 3 : OMD-D Developers Guide v1.18		Y	Y
17/05/2019	MDD/19/567	Revision of Stock Code Allocation Plan Enclosure 1 : Stock Code Allocation Plan	Y
17/05/2019	MDD/19/493	1) End of Stabilization Period for HKATS and DCASS Upgrade; and 2) Updates on OMD-D Technical Documents, Web Corner and Readiness Test Environment Enclosure 1 : OMD-D Interface Specifications v1.25 Enclosure 2 : OMD-D Developers Guide v1.17 Enclosure 3 : OMD-D Connectivity Guide v1.12		Y	Y
15/05/2019	MDD/19/492	Arrangements upon issuance of Typhoon and/or Rainstorm warning signal	Y	Y	Y	Y
10/05/2019	MDD/19/514	Updates on Connectivity Guide of HKEX Orion Market Data Platform - Securities Market (OMD-C) Enclosure 1 : OMD-C Connectivity Guide v.2.2	Y
29/04/2019	MDD/19/496	After-Hours Trading Arrangement on 27 May 2019 Enclosure 1 : Participant Circulars		Y	Y
12/04/2019	MDD/19/445	Changes to IIS on Unifying Character Encoding and Strengthening Password Requirement Enclosure 1 : IIS Transmission Specification (v3.6) Enclosure 2 : IIS Transmission Specification (News Headlinev2.3) Enclosure 3 : IIS Canned Data				Y
10/04/2019	MDD/19/401	Rollout of Changes to D-Lite for HKATS and DCASS Upgrade on 6 May 2019 Enclosure 1 : Information Package of Rollout of Changes to OMD-D Enclosure 2 : Participant Circular			Y
10/04/2019	MDD/19/400	Rollout of Phase 2 Change to OMD-D for HKATS and DCASS Upgrade on 6 May 2019 Enclosure 1 : Information Package of Rollout of Changes to OMD-D Enclosure 2 : Participant Circulars		Y
02/04/2019	MDD/19/403	Changes to Quote Meter Audit Report Submission Requirements	Y	Y
25/03/2019	MDD/19/364	Capital Adjustment of Henderson Land Development Co. Ltd. Stock Futures and Options Contracts - Bonus Issue Enclosure 1 : Participant Circulars		Y	Y
25/03/2019	MDD/19/356	Capital Adjustment of The Hong Kong and China Gas Company Ltd. Stock Futures and Options Contracts - Bonus Issue Enclosure 1 : Participant Circulars		Y	Y
18/03/2019	MDD/19/342	Reminder for System and Operational Readiness for Extension of T+1 Session to 3:00 a.m. Enclosure 1 : Participant Circulars		Y	Y
08/02/2019	MDD/19/201	(1) Updated OMD Operation Calendar and Index Feed Calendar 2019 and (2) General Guidelines for Handling Data Disseminated on Non-production Days Enclosure 1 : Updated OMD Operation Calendar 2019 Enclosure 2 : Updated 2019 Index Feed Calendar Enclosure 3 : General Guidelines	Y	Y	Y	Y
04/02/2019	MDD/19/195	Market Rehearsals for Changes to D-Lite for HKATS and DCASS Upgrade Enclosure 1 : Test Rundown Enclosure 2 : Guidelines on Rollout & Fallback Arrangement Enclosure 3 : Participant Circulars			Y
04/02/2019	MDD/19/194	Market Rehearsals for Phase 2 Change to OMD-D for HKATS and DCASS Upgrade Enclosure 1 : Test Rundown Enclosure 2 : Guidelines on Rollout & Fallback Arrangement Enclosure 3 : Participant Circulars		Y
01/02/2019	MDD/19/157	System and Operational Readiness for Extension of T+1 Session to 3:00 a.m. Enclosure 1 : Participant Circular		Y	Y
01/02/2019	MDD/19/139	Change of Headline Categories Enclosure 1 : IIS Specification version 3.5 Enclosure 2 : IIS Specification (News Headline)version 2.2				Y
18/01/2019	MDD/19/080	Briefing Session for Market Rehearsal of HKATS and DCASS Upgrade Enclosure 1 : Participant Circular			Y
18/01/2019	MDD/19/076	Briefing Session for Market Rehearsal of HKATS and DCASS Upgrade Enclosure 1 : Participant Circular		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