Detroit Tigers vs. Houston Astros

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Active sub-markets

Market context

The Detroit Tigers travel to Houston on 17 June for a regular-season matchup against the Astros, with first pitch scheduled for 2:10 PM ET. The market settles on the winner of this single game, with a settlement window extending to 24 June to accommodate any postponements. Tied games or cancellations without rescheduling resolve the market 50-50, a condition worth monitoring given June weather patterns in Houston.

Historical matchup data between these franchises shows competitive balance in recent seasons, though the Astros have held a marginal edge in head-to-head records since 2020. The current 50-50 crowd probability reflects genuine uncertainty rather than lopsided positioning. Comparable single-game markets at this probability typically see movement driven by late-breaking roster information—injury reports, bullpen availability, or starting pitcher confirmation—rather than broader seasonal trends. Traders using conditional order logic should flag any changes to announced lineups within 24 hours of game time, as these often trigger repricing.

Key catalysts include official confirmation of starting pitchers (typically announced 24 hours prior), any weather alerts for the Houston area that might trigger postponement, and injury updates from either clubhouse. Recent performance streaks matter less for single-game resolution than bullpen depth and weather-dependent park effects. Programmatic traders should integrate MLB's official injury report feeds and weather APIs into monitoring workflows, as these inputs move prices more reliably than sentiment-based signals. The settlement source is official MLB statistics, making this straightforward for automated resolution verification.

Methodology

We track Detroit Tigers vs. Houston Astros 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?

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.

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.

What does it cost to trade on Polymarket Bot UK?

Zero. Polymarket Bot UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.