There's no reason for it to come up and it's very obvious why all of this has happened.
We had hopes and dreams of this amazing fast decentralised network and all 2017 showed was it cannot scale, most have realised in it's current form it was just a dream.
HOPEFULLY the lightning network can solve this issue and we have reason to think positive about the tech again, until this happens we have no reason to go up.

Stop trying to guess it, it's going to take action and change to bring back a bull run.. Look for that if you want an idea.