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

St. Louis Cardinals at Pittsburgh Pirates

All St. Louis Cardinals predictions · All Pittsburgh Pirates predictions

MLB · Tuesday, September 22, 2026 · 6:41 PM · Final: 0-2

The model's call
Pittsburgh Pirates to win
Model confidence 60.7%
Books consensus 60.7%
Result Pittsburgh Pirates 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 St. Louis CardinalsPittsburgh Pirates
BetMGM +140 -170
BetRivers +143 -175
DraftKings +140 -169
ESPN BET +145 -170
Fanatics +140 -170
FanDuel +150 -178
Hard Rock Bet +145 -170
Caesars +145 -170

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 40.8% to cover · 8 books
Pittsburgh Pirates covered −1.5
Total · closing
O/U 7.5
priced 45.6% over · 4 books, 4 on another number
Under 7.5 (2 scored)
Spread by book CardinalsPirates
BetMGM +1.5 -160 −1.5 +135
BetRivers +1.5 -159 −1.5 +130
DraftKings +1.5 -163 −1.5 +134
ESPN BET +1.5 -165 −1.5 +140
Fanatics +1.5 -170 −1.5 +140
FanDuel +1.5 -160 −1.5 +132
Hard Rock Bet +1.5 -160 −1.5 +130
Caesars +1.5 -162 −1.5 +138
Total by bookOverUnder
BetMGM 7 -130 7 +105
BetRivers 7 -124 7 -115
DraftKings 7 -115 7 -104
ESPN BET 7.5 +115 7.5 -135
Fanatics 7 -115 7 -105
FanDuel 7.5 +110 7.5 -134
Hard Rock Bet 7.5 +110 7.5 -130
Caesars 7.5 +109 7.5 -129

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 St. Louis CardinalsPittsburgh Pirates
Books consensus fair, de-vigged 39.3% 60.7%
Best book price incl. vig 40.0% 62.8%
Kalshi contract price 40.5% 59.5%
Polymarket contract price 40.5% 59.5%
Markets average 40.5% 59.5%

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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