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 2026-10-26| Bookmaker | # Markets | Brier Open | Brier Close | Log-Loss Open | Log-Loss Close | Hit Rate |
|---|---|---|---|---|---|---|
| Bookmaker | 20 | — |
0.2302
best
|
— |
0.6516
best
|
0.650
best
|
| BetOnline | 20 | — |
0.2338
+0.0036
|
— |
0.6590
+0.0074
|
0.650
best
|
| Pinnacle | 20 | — |
0.2351
+0.0049
|
— |
0.6616
+0.0100
|
0.650
best
|
| FanDuel | 20 | — |
0.2369
+0.0068
|
— |
0.6654
+0.0137
|
0.650
best
|
| DraftKings | 20 | — |
0.2389
+0.0087
|
— |
0.6696
+0.0180
|
0.650
best
|
Data window: January 18, 2026 – October 26, 2026