Moved to a new role in October had a very mixed induction period - I don't feel settled, I don't think the job is for me, but as I have only been there less than 4 months I don't think I have given it a chance, so don't want to jump ship too soon and I don't think it would look good on my CV
Or if you know you're no happy, go now, cut your looses and look for something else.