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 · Wednesday, September 16, 2026 · 9:39 PM · Final: 7-2

The model's call
Seattle Mariners to win
Model confidence 54.5%
Books consensus 54.5%
Result Seattle Mariners 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 -135 +110
BetRivers -127 +107
DraftKings -131 +109
ESPN BET -130 +110
Fanatics -130 +110
FanDuel -136 +116
Hard Rock Bet -135 +115
Caesars -135 +115

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 42.0% to cover · 8 books
Seattle Mariners covered −1.5
Total · closing
O/U 8
priced 49.0% over · 5 books, 3 on another number
opened 8.5
Over 8 (9 scored)
Spread by book MarinersAngels
BetMGM −1.5 +125 +1.5 -155
BetRivers −1.5 +130 +1.5 -159
DraftKings −1.5 +129 +1.5 -156
ESPN BET −1.5 +130 +1.5 -155
Fanatics −1.5 +125 +1.5 -150
FanDuel −1.5 +126 +1.5 -152
Hard Rock Bet −1.5 +125 +1.5 -150
Caesars −1.5 +130 +1.5 -155
Total by bookOverUnder
BetMGM 8 -105 8 -115
BetRivers 8 -114 8 -125
DraftKings 8 -105 8 -114
ESPN BET 7.5 -125 7.5 +105
Fanatics 8 -110 8 -110
FanDuel 7.5 -115 7.5 -105
Hard Rock Bet 7.5 -120 7.5 +100
Caesars 8 -110 8 -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 Seattle MarinersLos Angeles Angels
Books consensus fair, de-vigged 54.5% 45.5%
Best book price incl. vig 55.9% 46.3%
Kalshi contract price 54.5% 45.5%
Polymarket contract price 54.5% 45.5%
Markets average 54.5% 45.5%

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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