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

Seattle Mariners at Los Angeles Angels

All Seattle Mariners predictions · All Los Angeles Angels predictions

MLB · Monday, September 14, 2026 · 9:39 PM · Final: 4-6

The model's call
Seattle Mariners to win
Model confidence 50.0%
Books consensus 50.0%
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 Seattle MarinersLos Angeles Angels
BetMGM -110 -110
BetRivers +100 -120
DraftKings -110 -110
ESPN BET -115 -105
Fanatics -110 -110
FanDuel -104 -112
Hard Rock Bet -110 -110
Caesars -110 -110

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
Mariners −1.5
priced 37.3% to cover · 8 books
Los Angeles Angels covered +1.5
Total · closing
O/U 7.5
priced 48.9% over · 8 books
opened 8
Over 7.5 (10 scored)
Spread by book MarinersAngels
BetMGM −1.5 +155 +1.5 -190
BetRivers −1.5 +170 +1.5 -210
DraftKings −1.5 +158 +1.5 -192
ESPN BET −1.5 +150 +1.5 -180
Fanatics −1.5 +155 +1.5 -190
FanDuel −1.5 +168 +1.5 -205
Hard Rock Bet −1.5 +155 +1.5 -190
Caesars −1.5 +158 +1.5 -190
Total by bookOverUnder
BetMGM 7.5 +100 7.5 -120
BetRivers 7.5 -104 7.5 -118
DraftKings 7.5 -107 7.5 -112
ESPN BET 7.5 -110 7.5 -110
Fanatics 7.5 -105 7.5 -115
FanDuel 7.5 -105 7.5 -115
Hard Rock Bet 7.5 -110 7.5 -110
Caesars 7.5 -105 7.5 -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 Seattle MarinersLos Angeles Angels
Books consensus fair, de-vigged 50.0% 50.0%
Best book price incl. vig 50.0% 51.2%
Kalshi contract price 49.5% 50.5%
Polymarket contract price 49.5% 50.5%
Markets average 49.5% 50.5%

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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