Every month does not exist in isolation. When the price difference is unreasonable, there will be risk-free arbitrageurs. . This is the main reason. . There will also be times when the trend is different, and investors have different views on the short-term and long-term. It can only be said that the trend is consistent under normal circumstances. Fundamental analysis is the relationship between supply and demand and the expectation that affects it. There are many technical methods, and there is no absolute statement. Some people even think that the trend is random, and every flower is in the eye. It's better to concentrate on several methods or only one, instead of blooming everywhere. . . . . Handle Fujian futures account business. . . . . . . .