Cleveland Guardians vs. New York Yankees

Platform comparison

Market context

The Cleveland Guardians face the New York Yankees in a regular-season MLB matchup on 4 June at 1:35 PM ET. The 40% implied probability for a Guardians victory reflects the Yankees' historical strength as a franchise, though both teams' 2026 performance trajectories matter more than brand value. Recent seasons show the Yankees maintain a slight edge in head-to-head matchups, but the Guardians have developed competitive pitching depth that narrows the gap in individual games.

Historical context suggests single-game probabilities in this matchup typically range between 35–50% for the visiting Guardians, depending on starting pitcher assignments and injury status. The Yankees' home-field advantage at Yankee Stadium typically adds 2–4 percentage points to their win probability in neutral analytical models. Current 40% pricing sits near the lower end of the Guardians' expected range, suggesting the market is weighting recent Yankees form or roster advantages.

Traders monitoring this market programmatically should track roster updates through 3 June, particularly pitcher confirmations and any late-inning injury reports. Weather conditions at Yankee Stadium—wind direction and temperature affect ball carry—warrant checking forecasts 24 hours before first pitch. The settlement window extends to 11 June, allowing for postponements; conditional order logic should account for the 50-50 tie resolution clause if either team's schedule forces cancellation without a make-up date. Official MLB box scores provide definitive resolution criteria.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

Resolution & payout

Resolution source: This market settles from the official publication at https://www.mlb.com/. A proposer submits the result to the UMA Optimistic Oracle on Polygon, the two-hour challenge window opens, and the smart contract pays out in USDC.

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 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 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.

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.