Do the Hang Seng Index and settle it in Hong Kong dollars.
Do dollar products, gold, crude oil, silver, copper and so on. , and conduct transactions and settlement in US dollars.
Be a German finger and settle in euros.
However, the deposits and withdrawals of the whole account are settled by HSI in Hong Kong, and those opened in the Mainland are generally settled by RMB.
The variety trading of international futures involves different variety units, so currency conversion will be carried out in the account to trade different varieties. Make Hang Seng Index, convert it into Hong Kong dollars, make dollar varieties, convert it into dollars, make German Index, and convert it into euros.