Detroit Tigers vs. Houston Astros

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Active sub-markets

Market context

The Detroit Tigers face the Houston Astros on 17 June at 2:10PM ET in a regular-season MLB matchup. Polymarket currently prices the Tigers' victory at 46 per cent, implying the Astros hold a 54 per cent edge in the conditional token market. This pricing reflects the Astros' stronger recent form and roster depth, though the Tigers have shown competitive capability in divisional play this season. The settlement window extends to 24 June, allowing for postponements without market closure, with resolution tied to official MLB final statistics.

Historical context suggests the Astros' probability premium aligns with their sustained competitive advantage over the Tigers in recent seasons. Houston has maintained a winning record against Detroit across the past three campaigns, and their pitching rotation depth typically outmatches the Tigers' offerings. However, home-field advantage—should this game occur in Detroit—has historically compressed win probabilities by 2–3 percentage points in comparable matchups, meaning the current 46 per cent for the Tigers reflects reasonable baseline expectations rather than undervaluation.

Traders monitoring this contract should track starting pitcher announcements, as rotation changes can shift implied probabilities materially. Injury reports for key position players, particularly any late-week developments affecting Houston's lineup, warrant attention given the tight settlement window. Weather conditions at game time may also influence play, with June humidity in either location potentially affecting ball flight and pitcher effectiveness. Recent form heading into mid-June will provide the most reliable catalyst for probability shifts on Polygon.

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

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 Kalshi 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?

Kalshi 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.

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, Kalshi UK 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.