I know what your mentality is when you ask this question, but I'm sorry to tell you that there is no constant law in foreign exchange and futures trading. Is that just blind luck? Then the answer is definitely not.

Trading is only a high probability event, and only by repeated summary and analysis can we get closer to the truth.

In fact, magnified, it is the change of cognition and thinking mode of things. It's like people used to think that the sun goes around the earth, Pluto is one of the nine planets, smallpox is a terminal disease in the Qing Dynasty, and so on. In fact, we have been repeatedly exploring, analyzing and summarizing everything in order to get closer to the truth.