What are these factors caused the price bitcoin is very easy to volatile?
How do we as treaders overcome an unstable bitcoin price loss?

You must prepare a lot for trading in cryptocurrencies. As far as you know that bitcoin or cryptocurrencies is notoriously volatile, youd better control your emotion because you know, you will be surprised with its fluctuation, even you are afraid of making decision what to do with its price for the first time trading. Trading is not difficult and not easy, if you have patient, you will get benefits. Most importantly, with some first time for trading, you shouldnt expect for benefits, you need to build your skills and experience first ,which can help you a lot when you do trade in the future.