Sports Edge Model — every game called, every call graded, in public

Indianapolis Colts at Kansas City Chiefs

All Indianapolis Colts predictions · All Kansas City Chiefs predictions

NFL · Sunday, September 20, 2026 · 8:22 PM · Final: 30-33

The model's call
Kansas City Chiefs to win
Model confidence 71.2%
Books consensus 71.2%
Result Kansas City Chiefs won model ✓
Identical on purpose: the model applies no adjustment to the de-vigged consensus of the books and Novig, a no-cut exchange, until a candidate signal proves itself in shadow audit — none has yet. Kalshi and Polymarket below are a comparison, not an input.

Closing moneyline by book

The last price each book posted before first pitch — the prices this call could actually have been bet at. Best on each side is highlighted. In-game odds are deliberately excluded: once the game starts, the price tracks the score, not the matchup.

Book Indianapolis ColtsKansas City Chiefs
BetMGM +240 -295
BetRivers +240 -315
DraftKings +215 -265
ESPN BET +230 -280
Fanatics +230 -285
FanDuel +235 -290
Hard Rock Bet +240 -300
Caesars +220 -275

Spread & total

Not part of the model's call. Collected from every book and graded in public so the prices can be checked — how spreads and totals have graded so far. The percent is what the price itself implies, vig removed.

Spread · closing
Chiefs −6
priced 50.6% to cover · 4 books, 3 on another number
opened Chiefs −6.5
Indianapolis Colts covered +6
Total · closing
O/U 45.5
priced 50.0% over · 5 books, 3 on another number
opened 47.5
Over 45.5 (63 scored)
Spread by book ColtsChiefs
BetRivers +6 -107 −6 -114
DraftKings +6 -112 −6 -108
ESPN BET +6 -105 −6 -115
Fanatics +6 -107 −6 -112
FanDuel +6.5 -120 −6.5 -102
Hard Rock Bet +6.5 -115 −6.5 -105
Caesars +5.5 -107 −5.5 -113
Total by bookOverUnder
BetMGM 45.5 -110 45.5 -108
BetRivers 46 -112 46 -109
DraftKings 46.5 -102 46.5 -118
ESPN BET 45.5 -110 45.5 -110
Fanatics 45.5 -110 45.5 -110
FanDuel 45.5 -115 45.5 -105
Hard Rock Bet 46 -110 46 -110
Caesars 45.5 -110 45.5 -110

Prediction markets vs the books

Every venue sells the same thing — a dollar if that side wins — at a different price. Implied cost per venue below; amber = the cheapest way to buy that side at the close.

Venue Indianapolis ColtsKansas City Chiefs
Books consensus fair, de-vigged 28.8% 71.2%
Best book price incl. vig 29.4% 72.6%
Kalshi contract price 28.5% 71.5%

Contract prices exclude exchange trading fees (Kalshi ~1–2¢ midrange), which narrow small gaps. A venue meaningfully below the books consensus is either a bargain or an early opinion — the graded record decides which.

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