I had 'em all out there steppin' and fetchin' like their heads were on fire and their asses was catchin'. "The Ballad of Uneasy Rider" - Charlie Daniels

Game Outcomes

Each point is a completed game — x: home team's season-to-date value entering the game, y: away team's. home win home loss

Based on 3702 of 3953 completed games where both teams entered with a season-to-date value.

How useful is it?

AUC
0.547
Better team wins
53.1%
Games
3,702

On its own, no better than a coin flip at picking winners.

Reading the chart: points below the dashed diagonal are games where the home team entered with the better value; a predictive stat shows more green there and more red above the diagonal. AUC summarizes exactly that separation — 0.50 is a coin flip, 1.00 is perfect.