It refers to the angle of the overall price trend, which is the angle of the trend line, that is, the line connecting the bottom of the band in the trend. You can look at the trend of Zhongheng Group from last year to April this year. The 45-degree line is in Gann's theory. When Mr. Ding Shengyuan, a domestic scholar, translated the classic book "Technical Analysis of Futures Markets", he raised the problem of the 45-degree line. We press the up and down keys in the software to reduce or enlarge the K line, and the angle will change. Change. We have no idea what the ratio of the vertical and horizontal coordinates should be. Different people use different ratios and angles.

Therefore, the theory about angles is basically meaningless