it doesn't look like it will happen for a long time. Bitcoin is still too dominating, the gap is too far to be followed.
Definitely, I'd to say not a single chance. Right now the dominance of bitcoin is 62.7% and larger part of us thoughts on BTC whether we're going to create new all the highs or reject by the major resistant levels. Essentially alt market move relies upon Bitcoin move. We would just expect BTC keep developing so odds of altcoin is here zero.