On the way to the price drop, there will often be short-term rebound and plunge. Investors should make full use of this irrational change opportunity in the market, and make maximum use of the spread opportunity created by wide price fluctuations to obtain profits.
2. Require investors to have the ability to judge the overall trend of the market.
The most important thing in investment is to follow the trend, buy on dips when the trend is rising and sell on rallies when the trend is falling, which requires investors to have the ability to judge the overall trend of the market, because shorting is only applicable to the overall price of crude oil in a downward trend, and other periods, such as when the overall price of crude oil is basically balanced, cannot adopt this operation skill.