Futures correspond to spot and come from spot. Futures is not a commodity, usually refers to a standardized contract that can be traded with a certain commodity or financial asset as the target. Stock is a certificate of ownership issued by a joint-stock company, and it is a kind of valuable securities issued by a joint-stock company to all kinds of shareholders as a shareholding certificate to obtain dividends and bonuses. Each share represents the shareholder's ownership of the basic unit of the enterprise. Behind every stock is a listed company. At the same time, every listed company will issue shares.