Kansas City Royals vs. Detroit Tigers

Platform comparison

Market context

The game between Kansas City and Detroit is the real-world event behind this market, and a **YES** share here means the Royals win outright, while a **NO** share means the Tigers win outright. If the game is postponed, the market stays open until the make-up game is played; if it is cancelled with no make-up, or finishes tied, the contract settles 50-50.

A 19% crowd-implied price for **YES** suggests traders think Kansas City is a clear underdog, but not an impossible one. That fits the wider betting picture from recent previews, which consistently made Detroit the moneyline favourite and priced Kansas City as the less likely winner, with one July preview showing the Tigers at -160 and the Royals at +135, and another model giving Detroit a 65.4% win probability[1][2]. For a newcomer to prediction markets, the key point is that the share price is the market’s estimate of the Royals’ chance of winning, not a guarantee; the payout depends entirely on the final result, not on run margin or how close the game looks early on.

The main catalysts to watch are simple but important: the starting line-ups, any late pitching change, weather-related postponement risk, and whether the game is completed on the scheduled day or pushed back. Because this market stays open until the game is officially finished, any suspension or postponement can keep it unresolved for longer than expected. Recent game previews also pointed to a relatively modest total, which matters because lower-scoring games can create more variance and keep an underdog live deeper into the contest[1][2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Market UK, which mirrors the Polymarket order book directly.

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Market UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Market UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.