There are lots of predictions coming from the experts and they can be totally opposite one to another. Practically you can not know what to listen. But it is still more than good to keep in touch with those because we can define our own picture about market by using informations from the predictions and combine it with current situation that we can see by daily observation.
You are right. Although there are lots of predictions about the market prices, no one can really predict what might going to happen for the prices of cryptocurrency but atleat it can give you an idea plus if you will study the flow of prices every year and the current market situation, it might help you as well, I mean by deciding what you will do with your coins.