The School of Odds

Arizona Cardinals v Seattle Seahawks

2026-09-20 20:25 UTC — NFL

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Head to Head

3 sportsbooks (2 in analysis )

Estimated chance of each outcome, according to the model: IQM

Arizona Cardinals (Local)

Prediction 19.90%5.02fair odd
EV -2.48%
Edge -0.506%
Kelly -0.636%
Growth +0.000%

assuming max odds 4.90

Bookmakers’ predictions’ distribution
19.80%19.90%19.90%20.03%MINMEANMEDIANMAX
Odds’ distribution
4.754.824.804.9021%21%21%20%MINMEANMEDIANMAX

Seattle Seahawks (Visit)

Prediction 80.10%1.25fair odd
EV -3.08%
Edge -2.55%
Kelly -14.67%
Growth +0.000%

assuming max odds 1.21

Bookmakers’ predictions’ distribution
79.97%80.10%80.10%80.20%MINMEANMEDIANMAX
Odds’ distribution
1.191.201.201.2184%83%83%83%MINMEANMEDIANMAX

Sportsbook Odds (3 sportsbooks)

BookmakerLocal ▼VisitMarginUpdated
Caesars4.90I 20.41%NM 19.80%EV -2.48%E -0.506%K -0.636%G +0.000%1.21I 82.64%NM 80.20%EV -3.08%E -2.55%K -14.67%G +0.000%3.1%2026-05-17 00:24
DraftKings4.80I 20.83%NM 20.00%EV -4.47%E -0.932%K -1.18%G +0.000%1.20I 83.33%NM 80.00%EV -3.88%E -3.24%K -19.41%G +0.000%4.2%2026-07-24 20:50
Betr (AU)4.75I 21.05%NM 20.03%EV -5.47%E -1.15%K -1.46%G +0.000%1.19I 84.03%NM 79.97%EV -4.68%E -3.94%K -24.65%G +0.000%5.1%2026-07-22 20:44
Margin = Margin (Overround) · I = Implied Probability · NM = No-Margin Probability · EV = Expected Value · E = Edge · K = Kelly Criterion · G = Bankroll Growth

Updated is when each book last changed its price, so an older time means the odds simply haven't moved, not that the price is stale. Books not seen in the last ~15 minutes are normally dropped; only if a whole market's feed goes quiet are the latest recorded prices shown instead.