Detroit Tigers vs. Baltimore Orioles

Platform comparison

Active sub-markets

Market context

The Detroit Tigers travel to Baltimore on 24 May for a day game against the Orioles, with first pitch at 1:35 PM ET. The 65% implied probability favouring Detroit reflects their stronger 2024 regular-season record and recent performance trajectory. Across major prediction platforms, this matchup reveals structural differences: Polymarket's probability format aligns directly with the crowd-implied 65%, whilst Kalshi and Betfair express equivalent positions through decimal odds (approximately 1.86 on Betfair's decimal system). Smarkets' commission structure typically extracts 2% on winning positions, whereas Polymarket's fee model operates differently at settlement, affecting net returns for bettors comparing the same underlying outcome across venues.

Historical context matters here. The Tigers have won roughly 54% of head-to-head matchups against Baltimore over the past three seasons, though the Orioles' 2023 surge—when they won 101 games—temporarily shifted expectations. This year's iteration reflects regression toward longer-term averages rather than any dramatic shift in franchise trajectory. The current probability sits within the reasonable band for a regular-season divisional contest between teams of unequal strength.

Traders should monitor starting pitcher announcements, typically confirmed 24–48 hours before game time. Injury reports from both rosters, particularly any late-inning bullpen availability, can shift market odds materially. Weather conditions at Camden Yards—wind direction and temperature affect ball carry—occasionally trigger repricing on day games. Settlement closes 31 May, providing a week buffer beyond the scheduled date for postponements or rescheduling.

Methodology

This page compares Detroit Tigers vs. Baltimore Orioles specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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.