Hi freinds yiu can see  btc price was suddenly goes uo and suddenly goes up and goes down why? This is a very loss or profit for the invester of btc . I do a lot of research on that why btc' price suddenly goes down and up . So i found this answeres 

 supply 

             The supply of btc is very effective on the price of the btc. When the people buy more btc his price goes up and when people sell here btc his price goes down.