Detroit Tigers vs. Baltimore Orioles

Platform comparison

Active sub-markets

Market context

The Detroit Tigers travel to Baltimore on 24 May for a 1:35 PM ET start against the Orioles, with Polymarket currently pricing a Tigers victory at 65% (approximately −185 moneyline equivalent). This contract settles on the official final result, with conditional tokens on Polygon backing both outcomes in USDC. The settlement window extends to 31 May, providing a buffer should postponement occur; any cancellation without a make-up fixture triggers a 50-50 split.

Historical matchups between these franchises offer limited predictive power for single-game outcomes, though Detroit's recent performance trajectory matters considerably. The Tigers have cycled through rebuilding phases over the past decade, whilst Baltimore has shown inconsistent competitive windows. Single-game moneyline probabilities at this confidence level (65%) typically reflect starting pitcher quality, recent form over the preceding week, and home-field advantage—the latter worth roughly 3–4 percentage points in MLB pricing. Comparable mid-season divisional matchups between teams with similar win-loss records usually settle within a 55–60% range, suggesting the current 65% reflects either favourable Tigers circumstances or market-specific positioning.

Traders should monitor pitching assignments confirmed 48 hours before first pitch, as rotation changes materially shift contract value. Recent injury reports from either bullpen and any weather developments affecting Baltimore's Camden Yards—notably wind direction affecting fly-ball carry—warrant attention. The Orioles' home record through May and Detroit's road performance in the preceding fortnight provide concrete data points; check MLB.com's official injury list and team announcements for late-breaking roster changes that could shift conditional token valuations.

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

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'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 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.