long term trading if successful and have good luck will get a big profit, many traders who have big capital more trust for long-term trading and ready to accept the risk of profit or loss. so if you do not have the trust and good skill long term trading is very risky.
I believe that if you choose long-term investment at the wrong time is completely wrong, you can see that bitcoin prices are constantly falling sharply in the coming days and there is no sign of strong recovery. In the long term, bitcoin prices are still in the down cycle in the long run, so long term investment is very risky and you will be able to lose a lot if the trading fails.