Detroit Tigers vs. Cleveland Guardians

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Market context

The Detroit Tigers face the Cleveland Guardians on 12 June at 7:10 PM ET in an early-season divisional matchup. The 68% crowd probability favours Detroit, reflecting their recent competitive standing within the AL Central. Settlement occurs on 19 June, allowing five trading days post-game for any postponement contingencies under MLB's standard make-up protocols.

Historical divisional records between these clubs show Detroit has held marginal advantages in recent seasons, though Cleveland's 2023 World Series run established them as a structurally stronger franchise. When evaluating comparable matchups—same-division games with similar probability distributions—outcomes typically cluster within 5–7 percentage points of implied odds, suggesting the current 68% reflects genuine competitive balance rather than overconfidence. Postponement risk remains material; June weather in the Midwest produces roughly 8–12% cancellation rates for this fixture historically.

Programmatic traders should monitor starting pitcher announcements (typically confirmed 48 hours prior), injury reports affecting both rosters, and Cleveland's recent offensive trends. Recent reporting from MLB.com indicates bullpen depth remains a differentiator for Detroit heading into June fixtures. Conditional order logic should account for weather forecasts updating through 11 June, as rain probability above 60% historically shifts implied probabilities 3–4 points towards the postponement scenario. API feeds from official MLB sources provide authoritative resolution data; traders integrating these directly avoid delays inherent in manual settlement verification.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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

Where can I trade this market with the lowest fees?

On Polymarket Bot UK, 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.

Is this market available outside the US?

Polymarket Bot UK 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.

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, Polymarket Bot UK triggers a quick verification flow that finishes in minutes.