Ok, so there is a new year coming up soon, but let's speculate of where Bitcoin will finish the year. So, I say the best way to do this is to put your high of the day & low of the day price for Bitcoin on December 31. Also, if you're a bull, then you can just put the high & if you're a bear, then you can just put the low. But just as an example, I will put both.
We will use UTC for the official end of 2017.
Here is my pick for December 31, 2017
High of the Day: $22,750
Low of the Day: $21,250
If bitcoin does hit $20k before christmas then these figures are extremely likely actually.
I definitely would not be surprised if your predictions come true, since we seem to be initiating a renewed rally right now. as i said - once the $20000 barrier is done, then your predictions can actually be an underestimation.
Though if we don't see much pumps soon, then it could mean that $20k will be hit next year and not this year. It's all speculation at this point and honestly nobody knows for sure, and it goes without saying.