New York Yankees vs. Cleveland Guardians

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Active sub-markets

Market context

The Yankees and Guardians meet on 8 June at 6:40 PM ET in what shapes as a mid-season divisional contest. The 46% 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 teams. This divergence warrants scrutiny: prediction markets often price in longer-term form and injury status more dynamically than traditional oddsmakers, particularly during June when roster depth becomes material.

Historically, the Yankees have held a slight edge in head-to-head records against Cleveland over the past five seasons, though the Guardians have strengthened considerably since their 2023 World Series run. The current 46% probability reflects genuine competitive parity rather than undervaluation of either side. Recent sportsbook lines have oscillated between -110 and -115 for the Yankees, implying roughly 52–55% implied probability—a meaningful gap from the prediction market's assessment.

Key variables for traders centre on starting pitcher announcements, which typically finalise 24 hours before first pitch. Injury reports from both clubs' medical staffs will influence the probability substantially; the Yankees have managed several rotation injuries this season, whilst Cleveland's bullpen depth remains a known strength. Weather conditions at the venue and any late roster moves should be monitored through to the settlement window's close on 15 June. The gap between sportsbook and prediction-market pricing suggests traders view either Cleveland's recent form or the Yankees' injury situation as underpriced by traditional markets.

Methodology

We track New York Yankees vs. Cleveland Guardians 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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Is this market available outside the US?

Best Prediction Markets 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 does it cost to trade on Best Prediction Markets?

Zero. Best Prediction Markets routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.