Bitcoin topped out at $28395 for 2020, just a few days left until newyear. If history serves as any guide to the future we might see bitcoin drop some 80% from it's high to its future low.
Of course past patterns is no guaranty it will happen again, but it is strongly adviced to be careful going forward.
Cryptocurrencies can be very price unstable, just take a look at the recent meltdown in XRP. Once bitcoin turn downward it might be fast and furious.