The School of Odds

Kansas City Chiefs v Indianapolis Colts

2026-09-21 00:20 UTC — NFL

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Head to Head

3 sportsbooks (2 in analysis )

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

Kansas City Chiefs (Local)

Prediction 71.94%1.39fair odd
EV -2.88%
Edge -2.13%
Kelly -8.22%
Growth +0.000%

assuming max odds 1.35

Bookmakers’ predictions’ distribution
70.97%71.94%71.94%72.92%MINMEANMEDIANMAX
Odds’ distribution
1.301.331.331.3577%75%75%74%MINMEANMEDIANMAX

Indianapolis Colts (Visit)

Prediction 28.06%3.56fair odd
EV -1.80%
Edge -0.514%
Kelly -0.719%
Growth +0.000%

assuming max odds 3.50

Bookmakers’ predictions’ distribution
27.08%28.06%28.06%29.03%MINMEANMEDIANMAX
Odds’ distribution
3.303.383.353.5030%30%30%29%MINMEANMEDIANMAX

Sportsbook Odds (3 sportsbooks)

BookmakerLocal ▼VisitMarginUpdated
DraftKings1.35I 74.07%NM 70.97%EV -2.88%E -2.13%K -8.22%G +0.000%3.30I 30.30%NM 29.03%EV -7.41%E -2.25%K -3.22%G +0.000%4.4%2026-07-22 00:35
Betr (AU)1.33I 75.19%NM 71.58%EV -4.32%E -3.25%K -13.08%G +0.000%3.35I 29.85%NM 28.42%EV -6.01%E -1.79%K -2.56%G +0.000%5.0%2026-07-23 00:49
Caesars1.30I 76.92%NM 72.92%EV -6.48%E -4.98%K -21.58%G +0.000%3.50I 28.57%NM 27.08%EV -1.80%E -0.514%K -0.719%G +0.000%5.5%2026-05-15 00:33
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.