If the price rises to a certain extent, it will definitely fall. This is because the price of any commodity is the result of the comprehensive effect of supply and demand, cost and income, market sentiment and other factors. The price will naturally come down. In addition, when the price rises too fast, market sentiment may fluctuate, causing investors to sell stocks or futures, which will also lead to a price drop. Therefore, if the price rises to a certain extent, it will definitely fall. This is the role of market rules.