New York Yankees vs. Athletics

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Active sub-markets

Market context

The Yankees travel to Oakland on 31 May for a day game against the Athletics, with first pitch at 4:05 PM ET. Polymarket currently prices Yankees victory at 62% implied probability, reflecting New York's substantial roster advantage and recent form. The conditional token structure on Polygon settles USDC payouts based on official MLB final statistics, with the settlement window extending to 7 June to accommodate any postponements.

Historical matchups between these franchises show the Yankees have won roughly 55% of regular-season contests over the past decade, though Oakland's home-field performance varies considerably by season. The Athletics' 2024 campaign has been marked by significant roster turnover and rebuilding, whilst the Yankees maintain competitive depth across their lineup. The current 62% probability reflects this structural gap rather than exceptional recent form from either side, placing the market roughly in line with preseason projections for inter-divisional play.

Traders should monitor pitching assignments and injury reports released in the days preceding the fixture. Starting pitcher announcements typically arrive 24 hours before game time and can shift probabilities meaningfully, particularly if either team deploys a backup starter. Weather conditions at Oakland Coliseum—notably wind direction affecting fly ball distances—merit attention given the venue's dimensions. Any roster moves or roster-related transactions announced by either club before 31 May could alter the implied probability, though such moves remain relatively uncommon during the regular season.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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?

Polymarket 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.

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?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket UK triggers a quick verification flow that finishes in minutes.