HKEX

HKEX Orion Market Data Platform - Securities Market (OMD-C)

Real-time datafeeds (OMD-C SS, SP, SF tiers) for all securities traded on the Stock Exchange of Hong Kong, published in a proprietary binary message format over one-to-many IP multicast/UDP for high throughput and low latency. Not an HTTP API - access is licensed through HKEX data licensing agreements, and the binary interface specifications and connectivity guides are public PDFs.

GitHub

Documentation

📖
Documentation
https://www.hkex.com.hk/Services/Market-Data-Services/Infrastructure/HKEX-Orion-Market-Data-Platform-Securities-Market-OMD-C?sc_lang=en
📖
APIReference
https://www.hkex.com.hk/eng/prod/dataprod/Documents/HKEX_OMD-C_Binary_Interface_Specifications_v1.39b.pdf

Other Resources

🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/hkex/refs/heads/main/apis.yml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: hkex:hkex-orion-market-data-securities-omd-c
name: HKEX Orion Market Data Platform - Securities Market (OMD-C)
tags:
- Market Data
- Real-Time
- Securities
- Multicast
- Order Book
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
humanURL: https://www.hkex.com.hk/Services/Market-Data-Services/Infrastructure/HKEX-Orion-Market-Data-Platform-Securities-Market-OMD-C?sc_lang=en
properties:
- url: https://www.hkex.com.hk/Services/Market-Data-Services/Infrastructure/HKEX-Orion-Market-Data-Platform-Securities-Market-OMD-C?sc_lang=en
  type: Documentation
- url: https://www.hkex.com.hk/eng/prod/dataprod/Documents/HKEX_OMD-C_Binary_Interface_Specifications_v1.39b.pdf
  type: APIReference
description: Real-time datafeeds (OMD-C SS, SP, SF tiers) for all securities traded on the Stock Exchange
  of Hong Kong, published in a proprietary binary message format over one-to-many IP multicast/UDP for
  high throughput and low latency. Not an HTTP API - access is licensed through HKEX data licensing agreements,
  and the binary interface specifications and connectivity guides are public PDFs.