I think it jumps like crazy because the exchanges need it and organize all that.
I really hope you to get banned for shit posting, it is RIDICULOUS, the incredible trash that you are posting, and checking your post history makes me wonder, why did i clicked on his profile?
Came on, the price is changing because of VOLATILITY, if you do not know what the hell is that, then the only thing that you can do is just google it.
it is not difficult, the price is created by demand & supply, nothing more.