Detroit Tigers vs. Baltimore Orioles

Platform comparison

Active sub-markets

Market context

The Detroit Tigers and Baltimore Orioles are scheduled to play in Baltimore on 22 May at 7:15pm ET, with the contract currently pricing Detroit at about a 45% implied win chance. That sits close to a coin-flip but still below even money, which usually means the market sees Baltimore’s home field as meaningful without treating the Orioles as a strong favourite. In a cross-platform sense, that shape matters: if sportsbook prices are materially tighter than 55-45 either way, the prediction market is effectively assigning a modest Baltimore edge, not a decisive one. Recent comparable Tigers-Orioles meetings have tended to swing on line-up strength and run prevention rather than brand-name perception, so a mid-40s Detroit price is consistent with a game that is broadly competitive rather than one where one side clearly deserves to be favoured.

For traders, the main catalysts are the announced starters, the final line-ups, and any late injury or rest news, particularly if either club is managing workload in a day-game-after-night-game spot. Because the market remains open if the game is postponed, a weather delay or rescheduling decision would affect timing more than direction, unless the rotation order changes. Watch for any late move in the sportsbook market once pitchers are confirmed; if those lines drift away from the current 45% YES price, that would be the clearest sign of divergence between analyst consensus and the contract. One recent betting preview on YouTube leaned Baltimore at home, which is directionally consistent with the current under-50% Detroit price, but there is no strong public consensus evident from the available market signals.

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

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

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.

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 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.