Securities and Derivatives Network (SDNet/2) 

Securities and Derivatives Network (SDNet) is an integrated Optical Ethernet network infrastructure for supporting HKEX securities and derivatives trading, clearing and settlement, market data services.

SDNet/1 was first launched in 2005 and followed by the upgrade to SDNet/2 in 2012. SDNet/2 is designed for high resilience, higher bandwidth options and lowered network round-trip latency, and SDNet/2 is being supported by multiple carriers, known as Accredited Vendors. 

Securities Market (AMS/3, Shanghai and Shenzhen Connect)
Derivatives Market (HKATS, DCASS)
Market Data (OMD-C, OMD-D, IIS)

Frequently Asked Questions

HKEX Technical Support

Email :

Information Provided by Accredited Vendors

Accredited Vendors Contact Information
SDNet/2 Price Information / Technical Specification / Service Level (effective from 1 March 2016)
SDNet/2 Installation Guidelines

Notification on updates to the SDNet/2 services (HKSCC / HKCC / SEOCH)
If there are any updates or changes to the SDNet/2 services,  the CCASS / CCMS SDNet Line Service Notification Form should be completed and submitted to HKSCC / HKCC / SEOCH accordingly, to reflect the changes in CCASS / CCMS timely.