I think it's safe to expect that Bitcoin price will be between $20,000 and $40,000 next year.
Only this year Bitcoin went up over 20x:
Only this year Bitcoin went up over 20x:
Last week I had expected the Bitcoin to increase to 19000$ and suddenly the bitcoin has wobbled.. To be honest there is a risk and also a luck factor investing in Bitcoin.
My spectation on bitcoin in the next year 2018 would be more interesting with regards to the price itself i would compared like a roller coaster. And of the course the community of bitcoiners will forever be adding so this will help the demand would be much greater in and after that it will affect the fork that will contrary to the demand.