Sportsbook Efficiency

Empirical sportsbook efficiency, measured by comparing de-vigged prices to actual outcomes. Close Brier scores the final line; Open Brier scores the first posted line. Avg Move shows mean |close − open| (points for spread/total/prop, fair-prob delta for moneyline). Lower Brier = more accurate pricing. Hit rate = how often the devigged favorite won.

League: NBA NHL MLB WNBA NFL

NFL — Passing Attempts (30 Days)

As of 2026-10-27
Bookmaker # Markets Brier Open Brier Close Log-Loss Open Log-Loss Close Hit Rate
FanDuel 143
0.2489
best
0.2504
best
0.6910
best
0.6940
best
0.527
best
BetOnline 146
0.2507
+0.0018
0.2513
+0.0009
0.6946
+0.0036
0.6958
+0.0018
0.481
−0.046
DraftKings 146
0.2501
+0.0012
0.2521
+0.0016
0.6933
+0.0023
0.6973
+0.0033
0.445
−0.082

Data window: January 18, 2026 – October 26, 2026