I am staking little over 300.000 coins

My coins matured couple of hours ago, and I have weight 0 and expected staking return is over 31000 days. Is this some kind of joke?

edit: went down to 9600 days and now up to 45000 days

what kind of staking is that? should I have billion of coins to stake or what? (no, I dont want to use pool)