the meaning of TR is very simple, that is, the fluctuation intensity of futures prices, that is, the maximum amplitude that futures prices can reach in time-sharing charts. This is what TR stands for. In fact, TR curve, although it looks simple, plays a great role in actual combat. The numerical value and changing trend of this indicator show that the breakthrough direction of futures prices and the timing of market emergence should take into account the importance of the indicator. Speculators should pay close attention to the trend of the indicator and only seize the possible unilateral trend to open positions when it picks up rapidly.