Qingdao North Spot Trading Platform needs funds to purchase. Because of the commodity purchase operation, you need to have certain funds to pay the purchase cost and related expenses. In the field of trade and finance, purchase refers to the act of buying a certain commodity, securities or assets. In commodity trading, buying refers to buying commodities such as futures or spot at a certain price in order to make profits in the future. For example, if you buy a stock at a certain price in the stock market, this is buying behavior. In financial transactions, buying can refer to buying certain securities, such as stocks, bonds, funds and options.