Houston Astros vs. Minnesota Twins

Platform comparison

Active sub-markets

Market context

The Houston Astros and Minnesota Twins are due to finish their series at Target Field on 20 May, with the market set to settle on the official result of that game. Sportsbooks have the Twins favoured but not strongly, with ESPN showing Minnesota around -163 and Houston around +113, while FanDuel lists the Twins at about +106 to win the next game. That leaves the prediction contract at 0% YES looking far removed from the wider market, and it only makes sense if there is a strong expectation the listing is stale, mislabelled, or tied to a different settlement condition. On the available pricing, the game is being treated as a fairly normal home-favourite spot rather than a near-certainty for Houston.

Recent comparable results also point away from an extreme price. The teams have split the first two games of the set, with Houston winning 2-1 on 18 May and Minnesota responding with a 6-3 win on 19 May. ESPN’s game page shows the third game as Minnesota’s Joe Ryan against Houston’s Mike Burrows, which would normally support the home side modestly rather than justify a zero-probability view on Houston. The betting market consensus is broadly aligned with that, as the Twins’ moneyline sits in the mid-130s to mid-160s range depending on the book, while run lines and totals are set in the usual competitive range.

Traders should watch for confirmed starting line-ups, any late pitcher change, and whether the market source is updating off the correct game entry. ESPN lists the series finale for 20 May and notes the teams’ current records and probable starters, which are the main live inputs likely to move the line. The key dependency is simple: if Joe Ryan starts as expected, Minnesota should remain a favourite; if there is a scratch or bullpen game, the moneyline can shift quickly. A 0% YES price remains an outlier against both sportsbook and analyst pricing, so any fresh correction or clarification from the venue/source could matter more than the on-field matchup itself.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Houston Astros vs. Minnesota Twins 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

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

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.