After all, the price of goods is supported by cost, and the limit range of its price decline can be measured, but the limit space of commodity price rise is immeasurable. Therefore, in the futures market, the risk of shorting is unpredictable, and its risk is far greater than shorting. How easy it is to short, and how risky it is to short. After all, futures prices are only the expectation of spot prices, and will eventually return. Whoever has the goods has the initiative. It has changed a lot, so there is nothing to refer to.