HKEX Orion Market Data Platform - Derivatives Market (OMD-D)

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 - Derivatives Market (OMD-D)

The HKEX Orion Market Data Platform – Derivatives Market (OMD-D) launched in December 2014. A suite of datafeed products under OMD-D for the Derivatives Market includes conflated market-by-price datafeeds (Derivatives Standard), streaming market-by-price datafeeds (Derivatives Premium) and streaming market-by-order datafeeds (Derivatives 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 8.5
Readiness Test Result Declaration Form (for HKEX-IS clients / for HKEX-IS (China) clients)

Technical Documents

OMD Interface Specifications for Derivatives Market Datafeed Products – Binary Protocol (version 1.47)
OMD Developers Guide for Derivatives Market Datafeed Products (version 1.27)
OMD Connectivity Guide for Derivatives Market Datafeed Products (version 1.20)

Technical Documents of OMD-D for Orion Derivatives Platform (ODP) Migration (Effective only after launch of ODP Migration)

OMD Interface Specifications for Derivatives Market Datafeed Products – Binary Protocol (version 2.0)

Materials for the Resilience Enhancement (Introduction Material / FAQs)

Forms

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

Go To Overview, Client Notices, FAQs.

Updated 05 Nov 2025