Minnesota Twins vs. Arizona Diamondbacks

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Active sub-markets

Market context

The game is set for Chase Field in Phoenix, with Arizona listed as the stronger home side and the market currently pricing Minnesota at **43%** to win. That is broadly in line with the pre-game moneyline picture, where recent listings showed the Diamondbacks as moderate favourites and the Twins as road underdogs, implying a live contest rather than a lopsided mismatch.[1][3][7]

Recent form and matchup history give the probability some context. The Twins have won six of the last nine meetings between the clubs and have also taken their last two visits to Arizona, which helps explain why the market is not pushing them much lower despite the home-field edge for the Diamondbacks.[1] At the same time, Arizona enters with the better record, at 38-36 versus Minnesota’s 36-40, and ESPN’s preview noted a strong home split for the Diamondbacks, which supports the market leaning their way.[3]

For traders, the main near-term catalysts are line-up confirmation, any pitching changes, and the late handling of the contest itself, since the market stays open if the game is postponed and only resolves 50-50 if it is cancelled or ends in a tie. MLB’s game preview highlighted Byron Buxton’s strong career production against Arizona and Michael Soroka’s solid season line, so any change to those expected roles would matter quickly to win probability.[8] Coverage from CBS Sports also frames Arizona as carrying momentum into the series, which is consistent with the current crowd price but leaves room for movement if pre-game news shifts the expected edge.[2]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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 Prediction Today, 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.

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 Prediction Today?

Zero. Prediction Today 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.