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

Los Angeles Angels at Boston Red Sox

All Los Angeles Angels predictions · All Boston Red Sox predictions

MLB · Tuesday, September 8, 2026 · 6:46 PM · Final: 6-1

The model's call
Boston Red Sox to win
Model confidence 57.3%
Books consensus 57.3%
Result Los Angeles Angels 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 Los Angeles AngelsBoston Red Sox
BetMGM +125 -150
BetRivers +125 -141
DraftKings +123 -149
ESPN BET +126 -142
Fanatics +125 -150
FanDuel +122 -144
Hard Rock Bet +125 -150
Caesars +131 -141

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
Red Sox −1.5
priced 39.0% to cover · 8 books
Los Angeles Angels covered +1.5
Total · closing
O/U 7.5
priced 50.0% over · 8 books
opened 8
Under 7.5 (7 scored)
Spread by book AngelsRed Sox
BetMGM +1.5 -175 −1.5 +145
BetRivers +1.5 -195 −1.5 +155
DraftKings +1.5 -181 −1.5 +149
ESPN BET +1.5 -175 −1.5 +145
Fanatics +1.5 -180 −1.5 +145
FanDuel +1.5 -176 −1.5 +146
Hard Rock Bet +1.5 -175 −1.5 +145
Caesars +1.5 -165 −1.5 +140
Total by bookOverUnder
BetMGM 7.5 -110 7.5 -110
BetRivers 7.5 +100 7.5 -120
DraftKings 7.5 -110 7.5 -110
ESPN BET 7.5 -110 7.5 -110
Fanatics 7.5 -110 7.5 -110
FanDuel 7.5 -106 7.5 -114
Hard Rock Bet 7.5 -110 7.5 -110
Caesars 7.5 -110 7.5 -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 Los Angeles AngelsBoston Red Sox
Books consensus fair, de-vigged 42.7% 57.3%
Best book price incl. vig 43.3% 58.5%
Kalshi contract price 42.5% 57.5%
Polymarket contract price 42.5% 57.5%
Markets average 42.5% 57.5%

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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