New York Yankees vs. Baltimore Orioles

Platform comparison

Market context

The New York Yankees face the Baltimore Orioles on 19 August at 6:35PM ET in a regular-season matchup. The 41% crowd-implied probability for a Yankees victory sits notably below the typical sportsbook consensus, which has favoured New York in most recent matchups between these AL East rivals. This divergence suggests either heightened uncertainty within the prediction market or a meaningful shift in underlying conditions that traditional oddsmakers have not yet fully repriced.

Historical performance between these clubs provides context for interpreting current odds. Over the past three seasons, the Yankees have maintained a winning record against Baltimore, though the Orioles have shown competitive strength in recent campaigns, particularly following their 2023 playoff appearance. The 41% figure implies near-parity, reflecting either a tightening of the talent gap or specific concerns about Yankees form heading into late August. Comparable AL East fixtures at similar points in the season typically show stronger differentiation when one team holds a clear advantage.

Traders should monitor roster availability and recent performance trends in the days preceding the match. Pitching assignments carry particular weight—the identity of each team's starter can shift win probability by several percentage points. Weather conditions at the scheduled venue and any late-season injury announcements warrant attention. The settlement window extends to 26 August, allowing time for postponements to be resolved, though this also means traders face uncertainty about whether the match will proceed as scheduled.

Methodology

We track New York Yankees vs. Baltimore Orioles across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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 Best Prediction Markets. 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.

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 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.