Notice of System Maintenance
HKEX will be performing scheduled website maintenance from 9:00 am (HKT) on 22 November 2025 (Saturday) to 9:15 am (HKT) on 24 November 2025 (Monday). During this period, market data on our websites may be affected. Users may also experience interruptions or slow responses of other website services. Thank you for your patience and understanding.
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HKEX Orion Market Data Platform – Securities Market (OMD-C)

The HKEX Orion Market Data Platform – Securities Market (OMD-C) launched in September 2013.  A suite of datafeed products under OMD-C for securities market include conflated market-by-price datafeeds (Securities Standard), streaming market-by-price datafeeds (Securities Premium) and streaming market-by-order datafeeds (Securities FullTick).

On-boarding Documents

 On-boarding procedure and Checklist
 Guideline for the Use of the On-boarding Tool

Readiness Test Documents

 Readiness Test Schedule and Rundown
 Readiness Test Procedures

 Readiness Test Answer Book (Version 2.10)
 Readiness Test Result Declaration Form (for HKEX-IS clients / for HKEX-IS (China) clients)

Technical Documents

 OMD Interface Specifications for Securities Market & Index Datafeed Products – Binary Protocol (version 1.44)
 OMD Developers Guide for Securities Market & Index Datafeed Products (version 1.14)
 OMD Connectivity Guide for Securities Market & Index Datafeed Products (version 2.7)

Missing Index Report - Sample file

Forms

Please refer to Rules, Forms & Fees section for Technical Forms - Securities Market Data (OMD-C)

 

 

Go To OverviewClient Notices, FAQs.


Updated 29 Dec 2017