Whether one is new to trading or experienced, bitcoin trading is always unpredictable. None is sure about the price increase or decrease, based upon the price movement one needs to make closer prediction and need to involve into trading. At times even such close predictions leads to loss, so trading is cent percent an unpredictable job.
No one really good at guessing and it would really need luck together when you are making decisions on doing trading and if the price would favor on your side then for sure you would gain profits with it. Trading is truly an unpredictable job because price is moving in anyway.