Houston Astros vs. Minnesota Twins

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Active sub-markets

Market context

The Houston Astros and Minnesota Twins are due to meet at Target Field on 20 May, with the market still pricing the Astros at 0% YES despite the game being scheduled and listed by ESPN and other scoreboards. That implies the contract is effectively treating the outcome as unavailable or mis-keyed rather than reflecting a normal pre-game handicap, so the practical read is that settlement is still tied to the actual final result rather than current crowd sentiment.

Recent head-to-head form gives a limited guide. The teams split the first two games of the series, and the earlier meeting on 18 May finished 5-5 before the Twins won the opener 3-1, according to FOX Sports and ESPN. Houston entered that stretch at 20-30 overall, while Minnesota sat at 22-27, so neither side has been in a strong position to dominate the matchup. In comparable low-probability markets, the main risk is not a surprising result on the field but a late change in the event status, since the contract rules allow postponement to keep the market open and a cancellation or tie to settle 50-50.

The catalyst to watch is the game’s final status and whether it starts as scheduled at 1:40pm ET, rather than any wider season trend. ESPN’s live game page lists the series as tied 1-1, which means a confirmed first pitch should be the immediate trigger for traders. If weather or logistics force a delay, the market remains live until completion; if the game is played, the final official score from MLB will decide it.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks Houston Astros vs. Minnesota Twins across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. PolyGram routes every trade through to Polymarket — at 0% fees.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

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'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.

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.