The method to determine the trend can be moving average or drawing trend line. Above the moving average, there is an upward trend, and below the moving average, there is a downward trend. Draw a trend line. Above the same trend line, it is rising, and below it, it is falling.
But no matter which judgment method is used, it is only accurate in probability, that is, it is judged as an increase, and it is only a certain probability increase, not necessarily a certain increase. Therefore, we must consider the effective treatment methods in two directions, which is the correct way to open futures.