The difference with bitcoin, they are more stable at the beginning and end of the year, depending on the moment that occurs in the country of origin, the influence is also very large on people who have more power, if they have started talking about bitcoin, then the market influence is very decisive.
You also don't misunderstand the development of the Bitcoin price. Beginning of 2021, Bitcoin is not like the current price guys. That's a sign that Bitcoin is also not always in a stable price condition.