2. It means to open the position in the opposite direction. At the beginning, it was originally long, then closed the position and started shorting, and vice versa. The backhand of futures may be because you can't judge the clear market during the consolidation period, which leads to misjudgment of the market. The futures market is too volatile to grasp. It is not recommended to do too many backhand operations, and you may lose money and pay more fees.