Houston Astros vs. Detroit Tigers

Platform comparison

Active sub-markets

Market context

The upcoming MLB clash at Comerica Park in Detroit features the Houston Astros against the Detroit Tigers, with first pitch scheduled for 6:40PM ET on Friday, 26 June. Despite the market-implied probability of zero per cent favouring the Astros, conventional moneyline odds from DraftKings list the Tigers as a slight favourite at -118, while the Astros sit at -102, suggesting a near-even contest rather than a foregone conclusion[1]. This divergence between the prediction market’s extreme skew and the betting market’s balanced pricing mirrors historical cases where conditional order books or automated bots misread team form, particularly when home-ice or home-park advantages are undervalued by algorithmic traders who fail to adjust for recent roster dependencies.

A power-user evaluating this market programmatically should monitor the starting lineups released approximately one hour before game time, as pitcher availability directly shifts the run-line probability and could invalidate the zero-per-cent assumption if the Astros’ ace is unexpectedly rested[5]. Traders must also watch for weather updates from the National Weather Service, as rain delays at Comerica Park could postpone the game and keep the market open, altering settlement timing without changing the underlying win probability[1]. Recent analysis from Rotoworld leans towards the Astros on the run line and the under on total runs, indicating that model-driven conditional orders might find value in the spread rather than the moneyline, a nuance often missed by static copy-trading strategies that ignore live dependencies[1].

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

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 PolyGram, 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram 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.