Detroit Tigers vs. Baltimore Orioles

Platform comparison

Active sub-markets

Market context

The Detroit Tigers face the Baltimore Orioles on 24 May at 1:35 PM ET in a regular-season MLB matchup. The 86% implied probability favouring Detroit reflects the Tigers' stronger recent form and roster composition heading into late May. Across major prediction platforms, this same fixture shows notable divergence in how odds are presented: Polymarket displays decimal odds (approximately 7.14 for a Tigers win), whilst Kalshi and Betfair present American and fractional formats respectively, each affecting how traders perceive the probability landscape. Fee structures differ materially—Polymarket charges 2% on winnings, Kalshi operates with fixed spreads, and Betfair's commission varies by sport—meaning the effective return on a £100 stake differs substantially across platforms even when underlying probabilities align.

Historical context matters for calibrating this probability. The Tigers and Orioles have traded competitive seasons in recent years, though Detroit's 2024 trajectory positioned them as division contenders whilst Baltimore's roster faced mid-season adjustments. Win-loss records between these teams over the past three seasons show Detroit holding a marginal edge in head-to-head matchups, supporting the current market lean.

Traders should monitor starting pitcher announcements, which typically arrive 48 hours before game time and can shift probabilities by 5–8 percentage points depending on recent performance metrics. Weather conditions at Comerica Park—particularly wind direction affecting fly-ball distances—represent a secondary catalyst. The settlement window extends to 31 May, providing buffer for postponements, though cancellations without make-up games would trigger the 50-50 resolution clause outlined in market terms.

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

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). PolyGram routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

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.

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.

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.