In a bull market, you should do currency-to-currency trading. In this way, no matter how you change your currency, you will never miss out. The specific operation suggestions are as follows: After the altcoin you hold explodes (after breaking the coin-to-coin high), directly exchange it for BTC, and then wait for Bitcoin to break the new high. At this time, exchange BTC back to the altcoin. If there is no coin-to-coin trading pair or the depth is not enough, you can manually change it to u and then operate