The unit price of Bitcoin broke through $100,000 for the first time, and a large number of voices began to appear in the market, such as the unit price will reach 1 million/10 million US dollars. People are like this. Once they don't rise/adjust/fall slightly, they will begin to hesitate, be afraid, and become extremely pessimistic; and if they get a little better, they will begin to get carried away, showing fanaticism and extremely optimistic. There is a 4% theory in economics, that is, if ...