And some trends follow the moving average, and some follow the trend line. The trend line should have all low points above it, or all high points should be above the trend line. The trend should be divided into several levels, first level and second level. Level 3, because the price is continuous, it is impossible to suddenly turn, which means that when the trend moves from level 1 to level 2 to level 3, positions must be reduced in time, and then the liquidation point must be determined!