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

Detroit Lions at Buffalo Bills

All Detroit Lions predictions · All Buffalo Bills predictions

NFL · Thursday, September 17, 2026 · 8:17 PM · Final: 31-41

The model's call
Buffalo Bills to win
Model confidence 68.0%
Books consensus 68.0%
Result Buffalo Bills 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 Detroit LionsBuffalo Bills
BetMGM +200 -250
BetRivers +190 -245
DraftKings +195 -238
ESPN BET +201 -241
Fanatics +200 -245
FanDuel +198 -240
Hard Rock Bet +210 -250
Caesars +205 -245

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
Bills −5.5
priced 49.0% to cover · 6 books, 2 on another number
opened Bills −3
Buffalo Bills covered −5.5
Total · closing
O/U 54.5
priced 51.1% over · 6 books, 2 on another number
opened 52.5
Over 54.5 (72 scored)
Spread by book LionsBills
BetMGM +5 -102 −5 -108
BetRivers +5.5 -110 −5.5 -110
DraftKings +5.5 -115 −5.5 -105
ESPN BET +5.5 -115 −5.5 -102
Fanatics +5 -110 −5 -110
FanDuel +5.5 -115 −5.5 -105
Hard Rock Bet +5.5 -105 −5.5 -115
Caesars +5.5 -114 −5.5 -106
Total by bookOverUnder
BetMGM 54.5 -112 54.5 -105
BetRivers 54.5 -114 54.5 -107
DraftKings 54.5 -118 54.5 -102
ESPN BET 55.5 -105 55.5 -115
Fanatics 54.5 -115 54.5 -105
FanDuel 54.5 -115 54.5 -105
Hard Rock Bet 55 -110 55 -110
Caesars 54.5 -115 54.5 -105

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 Detroit LionsBuffalo Bills
Books consensus fair, de-vigged 32.0% 68.0%
Best book price incl. vig 32.3% 70.4%
Kalshi contract price 30.5% 69.5%

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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