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, with the market currently split evenly at 50–50. The Tigers have won four of their last six games, whilst the Astros have dropped two consecutive contests following a stretch of inconsistent play through mid-June. Recent roster adjustments and bullpen usage patterns in both camps may influence how this matchup develops, particularly given the afternoon start time and potential weather considerations for a game played in Houston's humid climate.

Historical matchups between these franchises over the past three seasons show a near-parity record, with neither team establishing clear dominance in head-to-head play. The Tigers' recent uptick in offensive production—averaging 4.8 runs per game in their last ten outings—sits against the Astros' typically strong defensive metrics and pitching depth. However, the Astros' recent slump has coincided with injuries to key relievers, a factor that typically narrows the gap between evenly matched opponents.

Traders should monitor starting pitcher announcements, expected to arrive within 48 hours of the fixture. The Tigers' rotation health and the Astros' bullpen status remain the primary variables; any late-game roster moves or weather delays affecting game conditions could shift implied probabilities. Line movement in the broader MLB market and any updates on player availability will likely precede significant shifts in this market's probability distribution.

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

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 Prediction Today, 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?

Prediction Today 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.

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.

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.