If you want to predict the future, no one can. If someone does it, the stock market is a printing machine for him. If you don't print money, it should be a mint.

If you want to review history, sum up historical experience and judge the top and bottom of history, this can be done with the help of computer exponential formula, which can greatly save time. For example, judging from the moving average, we can change the time period between high and low points by adjusting the value of the moving average in different periods.

The effect is as shown