Futures is a contract sale, not a long-term trading agreement on the first floor. Futures sprouted in Europe earlier. 125 1 year, Britain allows foreign businessmen to participate in its own seasonal trade activities. Later, in trade, there appeared the phenomenon of signing documents in advance for goods in transit, listing the product variety, quantity, price and deposit in advance, and then buying and selling documents and contracts. This is the embryonic form of early futures. Then it became more and more perfect. If you want to know the details, go and read a book. If you are interested in opening an account in a futures company, HNA Dongyin Futures Co., Ltd. will serve you. I saw my name on qq.