Bitcoin is now at about 6k$...
I bought tons of bitcoin when the price was at 3k$ and then sold at about 17k$, I made profits then, but now I don't think that the price can go up again...
Will it?
It can always go lower, don't think that it can't and use that as a tool when you decide to invest. I used to trade actively with the goal of accumulating whatever coin so I could have more. I have made some stupid decisions though.
I think in the long run it will go up. You could buy back into Bitcoin and keep your profits.