Sell high and buy low in a volatile market, operate every day, it seems that you can make a profit from both long and short positions, but in fact, it is a foolish operation. Whenever a trend comes, you will miss it. If you want to make a lot of money, there is only one way: follow the trend. The fat man, Ouyang, Banmu, Tony, which one of them did not rise by the trend. Treat all the market conditions as trend markets, and when the trend comes, you will not only win, but also stop losses in time when you make mistakes in the volatile market. This is the most important thing in contract trading. Of course, our Liangzi is an exception. After all, he has unlimited bullets. If he fails to pass the level, he has to start over. He has countless chances to start over, but how many times do you have?