Detroit Tigers vs. Houston Astros

Platform comparison

Active sub-markets

Market context

The Detroit Tigers travel to Houston on 16 June for an evening matchup against the Astros, with Polymarket currently pricing a Tigers victory at 39% (USDC settlement on Polygon). This implies the market assigns the Astros roughly 61% implied probability, reflecting Houston's stronger regular-season positioning and home-field advantage. The settlement window extends to 24 June, allowing for postponement resolution should weather or scheduling disruptions occur.

Detroit's recent form provides context for reading this probability. The Tigers finished 2023 with a 78–84 record and have historically underperformed against Houston; across their last ten meetings, the Astros hold a commanding advantage. Houston, by contrast, has consistently fielded competitive rosters with playoff experience, including their 2023 American League West title. When comparable underdogs (teams trading below 40% on Polymarket) face established divisional rivals at home, the pricing typically reflects both the structural disadvantage and the genuine possibility of upset performance.

Traders should monitor starting pitcher assignments and injury reports through to game time. Recent roster moves, bullpen availability, and weather forecasts for Houston on 16 June will influence late-market movement. Any last-minute lineup changes or weather warnings could trigger significant repricing in the final hours before the 8:10 PM ET start. The conditional token mechanics mean positions settle definitively once the final out is recorded, with no ambiguity around run totals or extra innings—only outright victory determines resolution.

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

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

Where can I trade this market with the lowest fees?

On Polymarket 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 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.

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.