Baltimore Orioles vs. Minnesota Twins

Platform comparison

Market context

Polymarket is pricing the Orioles side at **93% YES**, which implies the contract is trading as if Baltimore is heavily favoured to win the scheduled August 11 game in Minneapolis. On Polymarket, buyers are committing **USDC on Polygon**, and the market settles through the event’s final official result via conditional tokens, so the only thing that matters for resolution is which club is declared the winner once the game is completed.

That 93% sits above what the broader pre-game market suggested, where ESPN listed Baltimore as a short road favourite at around **-112** and Yahoo’s market snapshot showed the Orioles near **-111** against Minnesota at **+103**.[1][13] The recent head-to-head also matters for reading this price: Baltimore has had a modest edge over the last 15 meetings, going **8-7** in that span, but Minnesota won the most recent game **9-5** after Baltimore had split the first two meetings of the series earlier in 2026.[12][8][2][3]

For traders, the main catalysts are simple but important: any **line-up news**, late scratches, pitching changes, or weather-related postponement could move the contract quickly, because a postponed game keeps the market open until the make-up is played, while a cancellation or tie would settle **50-50** under the rules. The August form behind the price has been mixed rather than dominant, with Baltimore coming off a **10-5** win in Texas before the **9-5** loss to Minnesota, and the Twins showing similar volatility after consecutive one-run losses in Milwaukee.[1][13][6]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Baltimore Orioles vs. Minnesota Twins across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. 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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.