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

Pittsburgh Pirates at Detroit Tigers

All Pittsburgh Pirates predictions · All Detroit Tigers predictions

MLB · Saturday, September 26, 2026 · 1:11 PM · Final: 3-4

The model's call
Detroit Tigers to win
Model confidence 52.1%
Books consensus 52.1%
Result Detroit Tigers 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 Pittsburgh PiratesDetroit Tigers
BetMGM +100 -120
BetRivers -109 -110
DraftKings -101 -120
ESPN BET +100 -120
Fanatics -105 -115
FanDuel +102 -120
Hard Rock Bet +100 -120
Caesars -103 -114

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
Pirates −1.5
priced 36.5% to cover · 8 books
Detroit Tigers covered +1.5
Total · closing
O/U 8.5
priced 53.4% over · 4 books, 4 on another number
Under 8.5 (7 scored)
Spread by book PiratesTigers
BetMGM −1.5 +165 +1.5 -200
BetRivers −1.5 +140 +1.5 -175
DraftKings −1.5 +160 +1.5 -195
ESPN BET −1.5 +165 +1.5 -215
Fanatics −1.5 +155 +1.5 -190
FanDuel −1.5 +164 +1.5 -200
Hard Rock Bet −1.5 +160 +1.5 -195
Caesars −1.5 +166 +1.5 -197
Total by bookOverUnder
BetMGM 9 +100 9 -120
BetRivers 9 -112 9 -127
DraftKings 9 -107 9 -112
ESPN BET 8.5 -125 8.5 +105
Fanatics 9 -110 9 -110
FanDuel 8.5 -128 8.5 +104
Hard Rock Bet 8.5 -130 8.5 +105
Caesars 8.5 -125 8.5 +107

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 Pittsburgh PiratesDetroit Tigers
Books consensus fair, de-vigged 47.9% 52.1%
Best book price incl. vig 49.5% 52.4%
Kalshi contract price 47.5% 52.5%
Polymarket contract price 47.5% 52.5%
Markets average 47.5% 52.5%

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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