Detroit Tigers vs. Cleveland Guardians

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Market context

The Detroit Tigers face Cleveland Guardians on 12 June at 7:10 PM ET, with the market currently pricing a Tigers victory at 68 per cent. This reflects Detroit's stronger recent form and home-field advantage at Comerica Park, though the Guardians remain competitive within the AL Central division standings as of early June.

Historical matchups between these franchises over the past three seasons show relatively balanced outcomes, with neither team establishing decisive dominance in head-to-head play. However, the Tigers' record in June home games has typically favoured them by a modest margin, whilst Cleveland's road performance in the division tends to lag their home splits. The current 68 per cent probability aligns with these patterns rather than suggesting an outlier assessment—it reflects standard home-team advantage plus marginal form differentials rather than a sharp market move.

Traders should monitor starting pitcher announcements in the 48 hours before first pitch, as rotation decisions often shift probabilities materially. Injury updates on key position players, particularly any late-breaking news on Detroit's outfield or Cleveland's infield depth, could trigger repricing. Weather conditions at Comerica—notably wind direction and temperature—historically affect game outcomes at that venue. Recent team performance in the preceding week, including bullpen availability and rest patterns, will clarify whether the current probability reflects settled expectations or incomplete information.

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

Is this market available outside the US?

Prediction Today 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'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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Today triggers a quick verification flow that finishes in 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.