If a futures investor orders the ordinary limit order in 80 yuan (pays the bill), the transaction price in 79 yuan will appear clearly after the order is placed, but his order has not been closed. At this time, he may be very angry and think that he has been exchanged &; The futures company cheated, because if the price in 80 yuan is higher than that in 79 yuan according to the principle of price priority and time priority, why doesn't he pay the bill? Let's look at how futures trading prices are formed.

As we all know, the transaction will be concluded only when the buying price is greater than or equal to the selling price. In order to make the transaction price change approximately continuously with little fluctuation, the transaction price is the middle value of the purchase price, the selling price and the previous transaction price.