Detroit Tigers vs. Cleveland Guardians

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Active sub-markets

Market context

The Detroit Tigers travel to Cleveland on 13 June for an afternoon fixture against the Guardians, with the prediction market currently pricing a Tigers victory at 56 per cent implied probability. This represents a modest favourite position, though the gap between the market's assessment and typical sportsbook consensus warrants examination given the settlement window extends to 20 June.

Historical matchups between these AL Central rivals show competitive balance, though Cleveland has held a slight edge in recent seasons. The Guardians' pitching depth and defensive metrics have typically outperformed Detroit's, yet the Tigers' offensive capability in June—when their lineup tends to find rhythm—has occasionally shifted individual game outcomes. The current 56 per cent reading sits notably higher than the typical -110 to -120 sportsbook lines favouring Cleveland, suggesting prediction-market participants are either discounting the Guardians' recent form or overweighting Detroit's home-field advantage relative to professional oddsmakers.

Key variables for traders centre on starting pitcher assignments and roster availability. Detroit's rotation health and Cleveland's recent injury status—particularly among their catching and infield depth—will influence game dynamics substantially. Weather conditions at Progressive Field on 13 June, typically favourable for afternoon baseball in mid-June, should not materially shift the outcome probability. Monitor official roster announcements 24 hours before first pitch, as any late-notice changes to either team's starting pitcher could trigger meaningful probability shifts across both sportsbooks and prediction markets.

Methodology

We track Detroit Tigers 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

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?

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