It is difficult for a single large household to manipulate futures trading, and it is illegal to manipulate futures prices. Because futures correspond to the spot, when the price deviates from the outrageous price, other funds will operate in the opposite direction, and finally the price will return to a rational state. The overall price is the result of a capital game, which is a combination of rationality and irrationality. However, it will generally follow the spot fundamentals, and it will be affected by funds, emergencies and emotions in the short term, and the fluctuations are not small. It is best for investors to operate after they have certain knowledge.