We don't predic exactly a fulture @@. The prices depend on the market, exactly depend by the "Whale" (on my opinion). So, all of the prices that some people tell to you just is a "number", it not correct. Many people tell me BTC is going to 20k and more on the first quater in 2018, and HOW?
I miss 50% account beause us. Then, when the BTC is dump about 10k USD, many people tell me" Buy, buy it now, buy by all the money you have, it is a good price". And, now...You see that!
WTF?
So, you can choice by yourself, use DCA when you Buy anything! Good luck