Nobody can ever make a prediction about BTC. Not even fot the next day. Learn it

Couldn't agree more. There is factual knowledge and educated guessing. You can only ever make educated guesses with Bitcoin.
with any investment and currency pair, in fact. It wouldn't be speculation if it was a known fact.
Bitcoin is not more unpredictable than other stock, the swings are bigger, yes, but the price does follow quite noticeable trends. Long, short and midterm trends