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

NHL — Moneyline (90 Days)

As of 2026-10-27
Bookmaker # Markets Brier Open Brier Close Log-Loss Open Log-Loss Close Hit Rate
FanDuel 244
0.2293
+0.0023
0.2260
best
0.6504
+0.0046
0.6436
best
0.638
best
DraftKings 245
0.2275
+0.0005
0.2265
+0.0005
0.6467
+0.0009
0.6445
+0.0009
0.629
−0.010
Bookmaker 245
0.2270
best
0.2267
+0.0006
0.6458
best
0.6449
+0.0014
0.621
−0.017
Circa 187
0.2323
+0.0053
0.2295
+0.0035
0.6565
+0.0107
0.6507
+0.0071
0.623
−0.015
Pinnacle 187
0.2327
+0.0056
0.2300
+0.0040
0.6572
+0.0114
0.6517
+0.0082
0.614
−0.024
BetOnline 187
0.2318
+0.0048
0.2308
+0.0048
0.6556
+0.0098
0.6535
+0.0100
0.596
−0.043

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