New York Yankees vs. Athletics

Platform comparison

Active sub-markets

Market context

The New York Yankees travel to Oakland to face the Athletics on 31 May at 4:05 PM ET, with the prediction market currently pricing a Yankees victory at 62 per cent implied probability. This represents a meaningful gap from typical sportsbook consensus, where the Yankees have traded as favourites at around −150 to −160 moneyline odds (approximately 60 per cent implied), suggesting near-parity between market venues rather than sharp divergence.

Historical matchups between these franchises provide limited predictive value given the Athletics' ongoing roster reconstruction. The Yankees have dominated recent regular-season head-to-head records, but the Athletics' 2024 campaign has seen significant departures and youth integration that fundamentally altered competitive dynamics. Comparable scenarios—where established contenders face rebuilding opponents mid-season—typically see the favourite priced between 55 and 65 per cent, placing this market's current level within expected ranges rather than indicating mispricing.

Traders should monitor starting pitcher assignments, as Oakland's rotation depth remains a critical variable. Recent injury reports from both camps, particularly regarding the Yankees' outfield availability following May fixtures, could shift probability meaningfully. Weather conditions at Oakland Coliseum on game day warrant attention; wind patterns historically favour contact hitters and can reduce home-run distances. The settlement window extends to 7 June at 20:05 UTC, allowing for postponement resolution should weather or scheduling complications arise.

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

Where can I trade this market with the lowest fees?

On Best Prediction Markets UK, 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.

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, Best Prediction Markets UK triggers a quick verification flow that finishes in minutes.