$BTC If you own BTC, just hold your crypto and wait. If you want to buy but are waiting for USD 50,000 - you may not wait.
In this bull market, BTC will cost at least $150,000 and will probably be over $200,000 so it doesn't make much of a difference whether you buy at $66 or $64. See how most of Square is screaming about the coming drop and BTC at $55-52-50 or $45k. Every now and then a drop is about to start and they try to convince you to sell your BTC quickly and buy it cheaper, but they will buy your BTC for 60 and you will wait for 50 and finally buy it for 80 - remember that the market does not do what the majority expects, because the majority has to lose money for the minority to take it.
Notice how hard and fast BTC bounced from USD 59-60k before the halving - many people want to buy BTC at USD 59 and they buy every time it appears in this zone. Iran attacks Israel - BTC drops to 60, bounces and falls again, bouncing to 59. Israel responds and we have 59 again and a rebound. Even the possibility of a war breaking out with such serious consequences could not lower the price any more, so I believe that 59 is the support we can count on and something exceptionally bad would have to happen for the price to drop lower (which can happen, but is less likely than that won't happen).
Unfortunately, it's crypto, so you can't be sure of anything, do your research and invest as much as you can lose because no one can give you 100% certainty and predict the future. It's your money and you will be responsible for the losses or enjoy the profits, which is what I wish for you.
Also remember that BTC is a long way and focus on making profits at the peak of the bull market, i.e. next year, not today. Your one BTC is equal to one BTC as long as you don't exchange it for USD so stop stressing about the current fluctuations and enjoy life :)
These are my personal opinions and are not financial advice. Do with this message what you want :)