Baltimore Orioles vs. Los Angeles Dodgers

Platform comparison

Active sub-markets

Market context

The Orioles and Dodgers have already met in this series, with Los Angeles edging Baltimore 6-5 on Friday after a ninth-inning rally and walk-off error. That result matters for market framing because it reinforces the Dodgers’ ability to win tight games at home, while Baltimore’s 5-6 loss also showed it can create offence enough to stay live deep into the game.[1][2]

For traders, the main near-term drivers are the starting pitcher assignment, any line-up rest decisions, and Baltimore’s injury picture. ESPN’s game page listed multiple Orioles as out or day-to-day, including Jackson Holliday, Jordan Westburg and Andrew Kittredge, which can materially affect run expectancy if they remain unavailable.[3] The scheduled first pitch is 1:10 pm local time on 21 June, so late bullpen usage from the previous night and any Sunday getaway line-up adjustments are relevant dependencies to watch before settlement.[3]

Sources: 1 · 2 · 3 · 4 · 5

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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Sport Prediction, 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 Sport Prediction?

Zero. Sport Prediction 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, Sport Prediction triggers a quick verification flow that finishes in minutes.