Clearing System - DCASS 

HKATS and DCASS Upgrade
An Overview of DCASS
DCASS - Frequently Asked Questions
Terminal User Guides
  DCASS Terminal User Guide (September 2017)
  CCMS Terminal User Guide (April 2017) 
Technical Documentation
  DCASS OAPI Manual (October 2016) Note





Due to the licensing obligations between HKEX and the software vendor, access to the DCASS OAPI Manual is limited.  Please contact or the DCASS Hotline at (852) 2979 7222 if you wish to download the Manual.