The continuous bidding of futures contracts follows the principle of automatic matching and closing. Among the following statements about the latest matching transaction price of wheat futures contracts, the correct one is (). Answer: a, c

When the purchase price is greater than or equal to the selling price, the matching transaction price is equal to the middle value of the purchase price (bp), the selling price (sp) and the previous transaction price (cp), that is, when bp≥sp≥cp, the latest transaction price = SP, when bp≥cp≥sp, the latest transaction price =bp. To sum up, this question chooses AC.