popularity index (AR) - and willingness index (BR) are technical indexes by analyzing historical exchange rate. Popularity index focuses on opening price to judge the popularity of market trading; willingness index focuses on closing price to measure the willingness of market trading. Popularity index is based on the opening price of the day, that is to say, it compares the opening price of the day with the highest and lowest prices of the day, and judges the popularity of the market through the position of the opening price in the exchange rate in a certain period of time.
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        N: set parameters, generally set as 26 days.

nbsp;       (2) application rules:

nbsp;       (a) ar value is centered on 100, with ± 20 free time, that is to say, when the free time of 80-20 fluctuates, the market is the whole market, the exchange rate is stable, and there is no violent movement.

. If it is too high, you should exit at the right time. Although there is no specific standard, the exchange rate may fall at any time when AR is above 150.