1. Man Cang: This means that you have established a position with all the deposits in your account. 2. Short position: refers to the moment when your net value "floating loss" reaches zero, the system will automatically close the position with the highest loss. It can be seen that the explosion is not without its merits. 3. Futures foreign exchange is the product of the continuous evolution of the financial market, which belongs to a "zero-sum" transaction and is a game between long and short sides. Some people earn, and some people must lose. Unlike the stock market, only one party is easily manipulated. The foreign exchange market is the investment stage of real fair competition. You can add my friends if you want to know.