Tao Te Ching says: "Five colors make people blind." Lock the main trading cycle for combat, and only use other cycles as a reference. Fixed cycle is to rule the world. "Those who do not lose their place will last long." If the cycle is not fixed, wandering between different cycles is equivalent to shooting at a moving target. Compared with shooting at a moving target, the difficulty of a fixed target will be much easier. We come to this market not to prove that we are sharpshooters who can shoot moving targets, but to come to this market for speculation and profit, so we must try our best to reduce the difficulty of our operations, which is the meaning of locking the cycle.

In the morning, there was a post on Twitter