Trading is very unpredictable and I think that its risky to do it but on the other hand it stays very profitable for a short term so due to that its also again worth it too.but if we have skills and knowledge than this predictable work give us money, but it is depend on our ability how to earn. Yeah, altcoin trading better is that earn in a short term, than it will be profitable.trading is good if you have many sources so you can confirm it with others if you have a relevant information that will cause a dump.