I just want to share this personal opinion. I don't think that the cryptocurrency will hit ATH this 2018. I might get lots of negative comments from this but at the very least let me share why I think this. We've come from an ATH last 2017 and this 2018, I believe we've reached a rockbottom market. Which means that we're still on our way to recovery. I do believe though that the market will thrive in 2019 (though it's way too early to say at this point in time because so many things are happening to alt coins)
You mean that you believe in a scenario where the crypto market can not recover at the end of the year, and it has to be in 2019. If you believe in it, congratulations, the sharks have succeeded in imposing that thought on you and they will do what you did not expect. End of the year the market will continue to rise strongly, believe me.