The Unified Account is a new generation trading system launched by Ouyi for a wide range of users. It supports the use of multi currency assets in one account to simultaneously trade spot and various derivatives. This will provide great convenience for users to trade, eliminating the need for fund transfers between multiple accounts; And the profits and losses of different business lines can offset each other, effectively improving the utilization rate of users’ funds. The unified trading account provides four new account models: Simple, Single currency margin, Multi currency margin, and Portfolio margin, which can meet the different trading habits and demands of users.