How to use futures? Is it risky to place an order in call auction five minutes before the opening? If you go in the wrong direction, will you make a deal? Please master the advice! Don't copy on the Internet. thank you Generally speaking, call auction is a price-limit transaction. I thought you might want to hang it high or low. If the direction is wrong, the possibility of closing the deal is very small. Why is it small? Because call auction has three principles, (1) can get the maximum turnover at this price. (2) All buy declarations higher than call auction have been completed; All sales declarations below the price generated in call auction were sold; (3) For the purchase or sale declaration equal to the price generated in call auction, the transaction shall be made according to the quantity of the purchase declaration and the quantity of the sale declaration, and according to the quantity declared by the minority party. China stock market adopts open call auction and futures market adopts closed call auction.

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