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Cleveland Guardians at Tampa Bay Rays

All Cleveland Guardians predictions · All Tampa Bay Rays predictions

MLB · Monday, October 19, 2026 · 8:10 PM · Final: 3-7

The model's call
Tampa Bay Rays to win
Model confidence 58.3%
Books consensus 58.3%
Result Tampa Bay Rays 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 Cleveland GuardiansTampa Bay Rays
BetMGM +130 -155
BetRivers +130 -155
DraftKings +134 -151
ESPN BET +130 -150
Fanatics +130 -155
FanDuel +138 -158
Hard Rock Bet +130 -155
Novig +138 -141
Caesars +135 -155

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
Rays −1.5
priced 39.1% to cover · 7 books, 1 on another number
Tampa Bay Rays covered −1.5
Total · closing
O/U 6.5
priced 53.2% over · 4 books, 4 on another number
Over 6.5 (10 scored)
Spread by book GuardiansRays
BetMGM +1.5 -175 −1.5 +145
BetRivers +1 -117 −1 -105
DraftKings +1.5 -169 −1.5 +139
ESPN BET +1.5 -180 −1.5 +150
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 +135
Total by bookOverUnder
BetMGM 7 +100 7 -120
BetRivers 6.5 -124 6.5 +102
DraftKings 7 +100 7 -120
ESPN BET 6.5 -125 6.5 +105
Fanatics 7 +100 7 -120
FanDuel 6.5 -128 6.5 +104
Hard Rock Bet 6.5 -125 6.5 +105
Caesars 7 +102 7 -121

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 Cleveland GuardiansTampa Bay Rays
Books consensus fair, de-vigged 41.7% 58.3%
Best book price incl. vig 42.0% 58.5%
Kalshi contract price 41.5% 58.5%
Polymarket contract price 41.5% 58.5%
Markets average 41.5% 58.5%

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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