1, moving average judgment. If the parameters of EMA system are set, you can use different EMA systems according to your own preferences. Generally, the combination of 5-day, 10 and 20-day moving averages is commonly used, which is a unilateral trend.

2. judge by k line. In an operation cycle, if there are more than 8 K lines and the number of positive lines accounts for more than 3/4 of the total, it indicates a bullish trend; On the contrary, the number of negative lines accounts for more than 3/4 of the total, indicating that the short trend is unilateral.