New York Yankees vs. Kansas City Royals

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Active sub-markets

Market context

The New York Yankees travel to Kansas City on 25 May for a regular-season MLB fixture against the Royals, with first pitch scheduled for 3:40 PM Eastern Time. The market settles on the official final result, with a 50-50 split applying only if the game is cancelled without a rescheduled make-up or ends in a tie—an outcome so rare in modern baseball that it carries negligible probability weight.

The 59% implied probability for a Yankees victory reflects their historical dominance in head-to-head matchups and superior regular-season performance metrics. Over the past five seasons, the Yankees have won approximately 62% of games against Kansas City, a spread consistent with the current market pricing. The Royals have not won a World Series since 1985 and typically operate with a lower payroll ceiling, creating a structural advantage for New York in talent acquisition and depth. However, regular-season baseball contains substantial variance; single-game outcomes depend heavily on starting pitcher matchups, bullpen availability, and weather conditions, which explains why the market assigns meaningful probability to Kansas City despite the historical tilt.

Traders should monitor lineup announcements and injury reports released in the 48 hours before game time, particularly regarding key position players or starting pitchers. Temperature and wind conditions at Kauffman Stadium can materially affect ball carry distance. From a regulatory perspective, this market's settlement window extends to 1 June 2026, providing sufficient time for postponements or make-up games. Under German GlüStV frameworks, sports prediction markets are classified as betting products; US CFTC jurisdiction applies to binary derivatives, though prediction markets operating under certain exemptions may fall outside direct oversight. No-KYC access up to $1,500 per account typically means traders can participate without full identity verification below that threshold, though individual platform policies vary.

Methodology

This page reviews New York Yankees vs. Kansas City Royals across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.