Cleveland Guardians vs. Detroit Tigers

Platform comparison

Market context

The Cleveland Guardians face the Detroit Tigers on 11 August at 6:40 PM ET in a regular-season matchup. The 45% crowd-implied probability for a Guardians victory sits notably below the typical -110 to -120 sportsbook pricing that would suggest closer to 52–55% fair value for the favourite. This divergence warrants scrutiny, particularly given that prediction markets and traditional sportsbooks often converge on divisional games where public information is symmetrically distributed.

Historical context matters here: the Guardians have maintained a stronger win percentage against Detroit over recent seasons, though August matchups in the AL Central frequently feature fatigue-driven volatility. Teams in contention often rotate pitchers strategically during mid-summer stretches, which can shift single-game probabilities substantially. The Tigers' recent performance trajectory—whether they remain in playoff contention or have effectively been eliminated—will heavily influence lineup construction and bullpen deployment.

Traders should monitor starting pitcher announcements, which typically arrive 24–48 hours before game time. Injury updates to key position players, particularly any late-inning defensive replacements or designated hitter availability, can shift implied probabilities by 3–5 percentage points. Weather conditions at Cleveland's Progressive Field—specifically wind direction and temperature—historically favour certain offensive profiles. Any roster moves or trades announced between now and game time, especially if either team addresses bullpen depth ahead of a stretch run, would merit reassessment of the current 45% figure against sportsbook consensus.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, which mirrors the Polymarket order book directly.

Resolution & payout

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 does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.