Hong Kong tests eHKD for after-hours derivatives margin

Hong Kong has launched a pilot program to test a wholesale central bank digital currency for settling margin payments in the derivatives market during after-hours trading. The joint initiative between the Hong Kong Monetary Authority and Hong Kong Exchanges and Clearing was announced on June 18, 2026. It aims to address a critical funding gap that emerges when trading continues beyond traditional banking hours.

The pilot will explore using the digital Hong Kong dollar, or eHKD, to facilitate advance margin deposits for the After-Hours Trading session. Currently, clearing participants must submit margin deposit requests to the HKFE Clearing Corporation by 3 p.m. for funds to be recognized in the subsequent evening session. This deadline creates a timing constraint, as participants cannot easily adjust their margin positions after standard banking payment rails have closed. The new test seeks to provide more flexibility by leveraging a wholesale CBDC, which is designed to operate on a 24/7 basis.

Officials said the project focuses on a specific market infrastructure problem rather than a broad retail rollout. By enabling margin payments outside normal hours, the initiative aims to...