Houston Astros vs. Minnesota Twins

Platform comparison

Active sub-markets

Market context

Polymarket has this Houston Astros v Minnesota Twins contract at 48% YES, so the market is close to a coin flip with a slight lean towards Houston. On Polymarket, that means USDC is locked into Polygon-based conditional tokens that will settle against the official result once the game is completed, or 50-50 only if it is cancelled or ends tied. With the first pitch set for 1:40pm ET on 20 May, traders are effectively pricing a single-game binary outcome rather than season form, so short-term news and line-up confirmation matter more than broader record.

Recent head-to-head context is mixed. Minnesota beat Houston 6-3 on Monday, with Josh Bell homering twice and driving in four runs, while ESPN also listed a separate Houston 2-1 win over the Twins in the same sequence of results, underlining how volatile this matchup has been over a very short span. More broadly, StatMuse’s head-to-head history shows Houston with the edge across the full sample, but not by enough to make any individual game straightforward. That helps explain why a price just under 50% is plausible: the market is recognising Houston’s historical upper hand, but not ignoring Minnesota’s recent ability to beat them.

The main catalysts are the confirmed starters, any late injury or rest announcements, and whether the scheduled first pitch holds after the rain delay noted in ESPN’s live game page. Because this market remains open until the game is officially completed, any postponement would matter to settlement timing rather than the bet’s structure. Traders should also watch for batting-order changes and bullpen availability from Monday’s game, since a compressed two-game sequence can affect late-inning pitching usage and therefore the implied win probability.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

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

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.

Is this market available outside the US?

PolyGram 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.

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.