Bitcoin price won't be stable because people use Bitcoin for investment. And Bitcoin demand always changes, must be different in any situation. We must be familiar with bullish and bearish, these situations trigger the price to go up and down significantly. Because the bullish and bearish have their own period, there should be some scheme to go to each period. The trends of Bitcoin in the market are also caused the bullish-bearish periods besides the issues or news. As long as we have these matters, the price of Bitcoin won't be stabilized.