Houston Astros vs. Detroit Tigers

Platform comparison

Active sub-markets

Market context

The underlying real-world event is the MLB game between the Houston Astros and Detroit Tigers, scheduled for 1:10pm ET on Saturday, June 27, 2026, at Comerica Park in Detroit. The Astros, currently 40-44 and fourth in the AL West, face the Tigers, who sit 35-47 in the AL Central, with the market resolving to the winner of this contest[3].

Historical precedents for similar mismatches show that a 0% crowd-implied probability often reflects a consensus on severe form disparities rather than absolute certainty, as even heavy favourites in MLB have lost due to late-inning volatility or pitching anomalies. Comparable cases from the 2024 and 2025 seasons reveal that markets with near-zero probabilities still occasionally resolve to the underdog when key starters are scratched or weather delays occur, framing the current odds as a strong but not infallible indicator[1][5].

Traders should monitor pre-game lineup announcements, particularly regarding the Tigers’ Joy, who was scratched due to back tightness, and any updates on Kerry Carpenter, who recently hit a grand slam to put the Tigers ahead 4-3 in a prior contest[5][7]. The settlement window ending on 4 July 2026 means any postponement will keep the market open, so traders must watch for official MLB communications on game status and injury reports from the Athletic or Bleacher Report for real-time updates[2][8]. Regulatory frameworks such as Germany’s GlüStV and the US CFTC’s reach define the accessibility of this market, where ‘no-KYC up to $1,500’ allows immediate participation without identity verification, enhancing liquidity for retail traders while maintaining compliance with anti-money laundering standards.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Houston Astros vs. Detroit Tigers across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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 PolyGram?

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

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.