Fall down. In commodity futures trading, there is a saying that if it goes up, it will go north, which means that this variety will go up all the way. On the contrary, when the market falls, it is called going all the way south, which means that the goods have gone out of a wave of unilateral decline. With the continuous development and popularization of the combination of futures and spot, the cognition and participation of market participants in the futures market have also changed, from the initial peripheral wait-and-see to the active understanding and active participation now.