As long as the position is kept full between point A and point c, the position is kept short or light between point c and point D, and the position is kept full between point D and point E, the position can be well controlled. change.

Position control is carried out according to the rate of return. The higher the winning rate, the higher the position used. Take advantage of the continuation of the trend to increase your position. In a trend, high returns will be obtained with a low risk rate. The main risks come from: the initial position is heavy and the requirements for first entry are relatively high.