some people say that Altcoin Season comes after Halving,
because maybe traders and investors from Bitcoin move to Altcoin and there is a decrease in dominance, we just look after this halving, hopefully
It must be before halving consider people will sell their bitcoin after halving and that means if there will be a huge dump after halving. Altcoin will potentially to follow bitcoin and you can see the market right now.
People are still betting a lot on bitcoin halving. It may end soon and correction will happen.