When the altcoins run ahead of the mainstream in the short term

Switching profits to the mainstream is mainly to preserve control over drawdown

It's hard for anyone to completely exit in the middle stage

Even if they know, it may not be completely achievable

Whether it's to switch to other coins at a suitable time

Or to preserve profits during the final climax

$Btc $eth Even if the mainstream falls again

Relatively, it will still give us some time, and there will be rebounds

Considering a few aspects, this point is very important, it can be life-saving