HKEX Orion Market Data Platform - Derivatives Market (OMD-D)
Real-time datafeeds (OMD-D DS, DP, DF tiers) for futures and options traded on the Hong Kong Futures Exchange, delivered in binary format over IP multicast/UDP with separate channel sets for stock options and non-stock options markets. Licensed, sales-gated access; the binary interface specification and developers guide are public PDFs.
Documentation
Documentation
https://www.hkex.com.hk/Services/Market-Data-Services/Infrastructure/HKEX-Orion-Market-Data-Platform-Derivatives-Market-OMD-D?sc_lang=en
APIReference
https://www.hkex.com.hk/-/media/HKEX-Market/Services/Market-Data-Services/Infrastructure/HKEX-Orion-Market-Data-Platform-Derivatives-Market-OMD-D/HKEX-OMDD-Developers-Guide-v1,-d-,26.pdf