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Kansas City Royals at Pittsburgh Pirates

All Kansas City Royals predictions · All Pittsburgh Pirates predictions

MLB · Friday, September 18, 2026 · 6:41 PM

The model's call
Pittsburgh Pirates to win
Model confidence 61.4%
Books consensus 61.4%
Identical on purpose: the model applies no adjustment to the books’ de-vigged consensus until a candidate signal proves itself in shadow audit — none has yet. Prediction markets below are a comparison, not an input.

Line shop — latest moneyline by book

Best available price on each side is highlighted. Prices move; always confirm at the book.

Book Kansas City RoyalsPittsburgh Pirates
DraftKings +148 -179
ESPN BET +150 -175
Fanatics +140 -170
FanDuel +158 -188
Hard Rock Bet +145 -180

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 right now.

Venue Kansas City RoyalsPittsburgh Pirates
Books consensus fair, de-vigged 38.6% 61.4%
Best book price incl. vig 38.8% 63.0%
Kalshi contract price 37.9% 62.1%
Polymarket contract price 37.5% 62.5%
Markets average 37.7% 62.3%

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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