Detroit Tigers vs. Baltimore Orioles

Platform comparison

Active sub-markets

Market context

The Tigers and Orioles meet in Baltimore tonight, with the market sitting at 45% for Detroit after the latest read from the last day or two. That is close to a coin-flip price, which fits a game where neither side has established a clear edge in recent meetings and the result is likely to hinge on the starting pitcher matchup, late bullpen usage and whether the home side can turn the first six innings into a lead.

Recent head-to-head results favour context over a simple team-strength read. Detroit swept a doubleheader against Baltimore at Comerica Park in April 2025, underlining that the matchup has swung sharply depending on venue and form. For a market priced below 50% on the Tigers, the implied message is that Baltimore’s home field and the chance to control the game state at Camden Yards are doing meaningful work, rather than the market expecting a broad talent gap one way or the other.

The main catalysts are any late lineup changes, the confirmed starting pitchers, and whether either club is managing workload after a short turnaround in the schedule. Friday night starts can also shift quickly if a bullpen has been taxed in the previous series, so the pre-game and in-game pitching decisions matter more than the team names alone. SeatGeek and TickPick both list the game as a 7:05 pm start in Baltimore, and the official MLB game story will be the cleanest source for final result verification if weather or postponement becomes relevant.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Detroit Tigers vs. Baltimore Orioles across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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.

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'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.

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.