Cincinnati Reds vs. New York Yankees

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Active sub-markets

Market context

Polymarket is pricing the Cincinnati Reds vs New York Yankees contract at **43% YES**, with settlement in **USDC on Polygon** through conditional tokens that pay out on the official game result. For a trader, that means the market is not about narrative or team brand, but about the probability the Reds win the single game listed for 19 June at Yankee Stadium, with postponement keeping the market open until completion and a cancellation or tie settling 50-50.

The current price sits between the market view and traditional betting lines. ESPN’s game page shows the Reds around **43.1%** and the Yankees **56.9%** before first pitch, while several sportsbooks have the Yankees priced roughly in the **-260 to -288** range, implying Cincinnati is a clear underdog but not a longshot.[4][5][3] Comparable pricing in the mid-40s usually reflects a live underdog with a credible path to an upset rather than a coin-flip, especially in a park like Yankee Stadium where the home side is typically treated as the stronger moneyline favourite.[1][6]

The main catalysts are straightforward: the confirmed line-ups, any late pitching change, and whether the game starts on time, because those are the inputs that can move the on-chain price most sharply before settlement. Traders also need to watch for weather or schedule disruption, since a postponement does not close the market and a makeup game would still decide it later, while a cancellation with no reschedule would force the 50-50 fallback.[7][9] If the game is completed as scheduled, the official final statistics from MLB are the resolution source, so the contract should track the final scoreboard rather than any bookmaker consensus.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Cincinnati Reds vs. New York Yankees on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

Kalshi UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 Kalshi UK?

Zero. Kalshi UK 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.