but we have to understand that bitcoin has been a long-term investment, but in recent months it doesn't seem that bitcoin is like that. precisely at this time bitcoin is a short-term investment, has fluctuated several times from $ 12K to $ 9- $ 10K, if anyone can be smart about it then he will profit. Bitcoin is now very unique and adds interesting and analysis so many mistakes.
You are confusing speculation and investment. Investors are not interested in short-term movements - you can make money on them only if you are a psychic or you are just lucky at the moment. Long-term goals are much better predictable, which is why most investors operate over long distances.