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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Transmission Specification

Applicable to Market Data Application Service Provider Licence Agreement (Single Licence)

B02A24241D934714AD273561037F6D6D Securities Market Data
B02A24241D934714AD273561037F6D6D OMD Interface Specifications for Securities Market & Index Datafeed Products – Binary Protocol
B02A24241D934714AD273561037F6D6D Derivatives Market Data
B02A24241D934714AD273561037F6D6D OMD Interface Specifications for Derivatives Market Datafeed Products – Binary Protocol
B02A24241D934714AD273561037F6D6D  Issuer Information feed Service
B02A24241D934714AD273561037F6D6D Issuer Information feed Service (“IIS”) Transmission Specification

 


Updated 06 Feb 2017