Question unsure about future odds for a bet.. help please.

I'm a poker player that went busto.. I have $600 extra a month and don't want to waste time trying to grind micros online anymore... anyway my question is, is for the winner of the conference the Celtics are at +125 and Cavs at +500. I like the Cavs and want to ride this bet parlayed with OKC winning the west at like +125 with my extra $600/month till the end of the season.

My question is if Celtics stay at current win total pace and Cavs stay at they're current pace as well. Than by the end of the season what do you think the odds will be for the Cavs? I'm thinking the gaps pretty far at 6 games till the midpoint of the season so am I thinking logically at current pace the odds should go from +500 for the Cavs to maybe +325 by seasons end?

Thank you.