Generally, in the first half of the bull market, Bitcoin is the leader, but in the late stage of the bull market, Ethereum will perform significantly better than BTC. In a large cycle, Bitcoin will rise first, then ETH will catch up, and finally it will be the turn of some altcoins to catch up. When these altcoins double or even multiply in a day, or increase dozens of times in a short period of time. When these altcoins are at a climax, the market is about to end. Only those who have experienced the bull and bear markets can feel this way.