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.
WNBA — Moneyline (30 Days)
As of 2026-10-27| Bookmaker | # Markets | Brier Open | Brier Close | Log-Loss Open | Log-Loss Close | Hit Rate |
|---|---|---|---|---|---|---|
| Bookmaker | 21 | — |
0.2323
best
|
— |
0.6560
best
|
0.619
best
|
| BetOnline | 21 | — |
0.2354
+0.0031
|
— |
0.6623
+0.0063
|
0.619
best
|
| Pinnacle | 21 | — |
0.2376
+0.0054
|
— |
0.6668
+0.0108
|
0.619
best
|
| FanDuel | 21 | — |
0.2382
+0.0059
|
— |
0.6680
+0.0120
|
0.619
best
|
| DraftKings | 21 | — |
0.2399
+0.0076
|
— |
0.6718
+0.0158
|
0.619
best
|
Data window: January 18, 2026 – October 26, 2026