The method of short selling is: lend a certain amount of securities through the banker, sell them first, and then buy them back after the decline to earn the falling price difference. It's just buying first and then selling to earn the rising price difference. This kind of case can be seen everywhere in the futures market, without examples. When you actually operate, everything will be understood.
At the time of delivery, only the difference will be settled. If the price of fire really falls in the future, buy it from a lower price, thus earning the middle price difference.
Short selling, also known as short selling/short selling, means selling high and making up low.
: What is a futures contract?
A futures contract means that the buyer and the seller agree to trade at a specific price at a certain time, and the buyer and the seller must deliver the assets according to the specified date (delivery date). At present, there are four futures exchanges in China: Zhengzhou Futures Exchange, Dalian Futures Exchange, Shanghai Futures Exchange and China Financial Futures Exchange. The main trading varieties are: agricultural products, precious metals, energy and chemicals, derivatives and industrial products.