Those who believe in me shall have eternal life! There are rules for trading, the first rule is survival and capital preservation. The second rule is to execute the first rule; any rule that obstructs the realization of the first rule can be broken and eliminated. This applies to retail investors, institutional investors, market makers, whales, and exchanges. You can refer to the mathematical principles of economic philosophy written by RocketRW, which anyone can learn, master, and apply.