From the mba think tank encyclopedia (https://wiki. Mbalib. Com/)Gann fanJiang's angle overviewThe gann fan, also known as the gane line, is a relatively common technical analytical tool for domestic investors, but it is no doubt a pity that some stock analysis software is not well known because of the unique nature of this tool, and that operators do not have access to the powerful measurement of the market effectiveness of the jiangn line. The