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

San Francisco Giants at Pittsburgh Pirates

All San Francisco Giants predictions · All Pittsburgh Pirates predictions

MLB · Thursday, September 3, 2026 · 12:37 PM · Final: 2-5

The model's call
Pittsburgh Pirates to win
Model confidence 60.3%
Books consensus 60.3%
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 San Francisco GiantsPittsburgh Pirates
BetMGM +140 -170
BetRivers +145 -175
DraftKings +141 -171
ESPN BET +149 -169
Fanatics +140 -170
FanDuel +140 -166
Hard Rock Bet +135 -165
Caesars +154 -164

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 43.0% to cover · 8 books
Pittsburgh Pirates covered −1.5
Total · closing
O/U 9
priced 49.2% over · 6 books, 2 on another number
opened 8.5
Under 9 (7 scored)
Spread by book GiantsPirates
BetMGM +1.5 -145 −1.5 +118
BetRivers +1.5 -141 −1.5 +116
DraftKings +1.5 -144 −1.5 +120
ESPN BET +1.5 -150 −1.5 +125
Fanatics +1.5 -150 −1.5 +125
FanDuel +1.5 -150 −1.5 +125
Hard Rock Bet +1.5 -150 −1.5 +125
Caesars +1.5 -140 −1.5 +118
Total by bookOverUnder
BetMGM 9 -102 9 -118
BetRivers 9 -117 9 -122
DraftKings 9 -107 9 -112
ESPN BET 8.5 -135 8.5 +115
Fanatics 9 -105 9 -115
FanDuel 9 -110 9 -110
Hard Rock Bet 8.5 -130 8.5 +110
Caesars 9 -105 9 -115

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 San Francisco GiantsPittsburgh Pirates
Books consensus fair, de-vigged 39.7% 60.3%
Best book price incl. vig 39.4% 62.1%
Kalshi contract price 39.5% 60.5%
Polymarket contract price 39.5% 60.5%
Markets average 39.5% 60.5%

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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