Considering the current spot price, seasonal factors, the current future supply and demand relationship, the recent average contract price in the first few months of 1 month, plus a certain premium, refer to the prices of soybeans and soybean meal in the United States. The listing price of the contract is only a rough estimate, which is close to the contract price in the nearby transaction month, but generally there is not much difference. This is roughly how the price is determined.