Floating surplus does not mean that there is no brain to add positions if there is profit, but to add positions at key positions. At this time, floating profit can be used as one of the conditions for adding positions, but it is not the first condition. The key is that the position where you add positions is the open position. In other words, your opening this time is to open a new position and make more profits.
Operation method 2 of warehouse rolling: bottom warehouse+T.
Leave a part of the bottom warehouse unintelligible, and then some positions will be thrown high and sucked low, so that they will not be completely left behind, and at the same time they will make more profits than simply holding them for a long time. Specific methods include, for example, rolling half the bin or rolling 3/7 of the bottom bin.