The biggest fears in a bull market are: greed, fear, blindness, following the crowd, going with the flow, and chasing highs and cutting losses, because it is a place where only a few people make money.

If you are afraid of missing out on the altcoin season, then the only thing you can do is to find a cost-effective entry point and set a stop-loss. As for whether it can break historical highs again, luck is very important.