Explain the symmetry of futures trading in "spot trading". The way of buying and selling in the form of futures contracts on commodity exchanges. The contract stipulates that the seller will deliver a certain commodity to the buyer at a certain time and place in the future. There are roughly two kinds of participants in futures trading: one is to hedge and avoid the loss of the traded goods due to price changes; The other is that both buyers and sellers are short speculators who expect the price to rise or fall, but seek the difference between the two transactions. Many countries in the world are allowed to enter the field of futures trading. Futures trading is not limited to physical objects, but also includes financial assets such as securities, foreign exchange and commercial paper.

Word decomposition

Interpretation of futures: buying and selling stocks or commodities for future delivery: short for buying or selling futures contracts; ; The commodity exchange terms explain in detail the goods delivered within the agreed time limit after the sale is completed. It also refers to the mode of trade in which goods are delivered within the agreed time limit after the transaction. "Economic life": "Recently, in the Hong Kong market, the explanation of the transaction initially refers to barter, and later refers to the detailed explanation of the package transaction of buying and selling goods. Barter transaction. Later refers to business and trade. " Under "Yi copula": "Japan and China are the market, the people of the world, the wealth of the world, and the retreat of business, each with its own place. "Historical Records": "Taoism, agriculture, industry and commerce are in contact with the Ming Dynasty, while tortoise shell is alchemical"