Detroit Tigers vs. Baltimore Orioles

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Active sub-markets

Market context

The Detroit Tigers travel to Baltimore on 23 May for an afternoon fixture against the Orioles, with the crowd currently pricing the Tigers at 48 per cent to win. This represents a near-even split, suggesting the market perceives minimal separation between the two teams on the day. The settlement window extends to 30 May, allowing for postponements common in late-May baseball.

Historical matchups between these franchises show the Tigers have held a slight edge in recent seasons, though neither team has established consistent dominance in head-to-head play. The Orioles' 2023–24 resurgence under their current roster construction has narrowed what was once a wider gap in competitive standing. Both clubs typically field competitive lineups by late May, with injury attrition beginning to accumulate across the league. The 48 per cent implied probability for Detroit suggests the market is treating this as a genuine toss-up rather than backing either team's underlying strength.

Traders should monitor starting pitcher assignments, which MLB typically confirms 24–48 hours before game time. Recent form matters considerably—Detroit's performance in the week prior and Baltimore's home record against comparable opponents will shift the calculus. Weather conditions at Camden Yards in late May occasionally favour certain playing styles, though May typically offers stable conditions. Any late roster moves, including injury updates to key position players or bullpen availability, could shift the probability meaningfully from current levels. The afternoon start time may also influence betting patterns, as daytime games sometimes attract different trader participation than evening fixtures.

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

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 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.

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.