My experience is that, for the average investor, for someone who doesn't spend a tremendous amount of time analyzing the market, it's too difficult to evaluate different markets against each other,
And when you do, it's like Russian roulette. When the chamber comes up full, you don't get a second chance.
During those times when markets go back down, you can usually find a few bargains, so you can keep some money aside for those times.
The most important thing people need to remember is this is an asset class that will triple and then halve and then triple and then halve.
You would have stayed out of them the last five years,
You don't have to own a full position immediately. You don't have to chase them or buy them at any price, ... Step back and have some perspective.