Are you asking about the price of altcoins that you bought with bitcoin after there's a hypothetical crash of BTC?

If BTC drops like crazy and the altcoins don't, then you saved yourself from the drop I guess. I don't see what other conclusion to come from in that scenario.

In the case that the altcoins you put your money into as well drop, then you'll probably see a worse drop than BTC if the entire crypto market is just plummetting.

Honestly, these are very tentative and probably not likely to happen soon.