Seattle Mariners vs. Baltimore Orioles

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Active sub-markets

Market context

On 10 June 2026, the Seattle Mariners travel to Baltimore to face the Orioles in a regular-season MLB fixture scheduled for 6:35 PM ET. The market currently reflects even odds at 50%, suggesting traders perceive neither team as a clear favourite heading into the contest. Settlement occurs by 22:35 UTC on 17 June, allowing a week for the game to be completed should postponement occur; cancellation or a tied result would trigger a 50-50 resolution.

Historical matchup data and recent form provide the primary lens for interpreting current probability. The Mariners and Orioles have shown variable competitive strength across recent seasons, with neither franchise establishing sustained dominance in head-to-head records. Comparable June fixtures between mid-tier AL teams typically settle near even odds unless one side enters with a significant injury list or recent winning streak. Current crowd probability of 50% aligns with this baseline expectation, indicating no material information advantage has yet shifted trader positioning.

Traders should monitor roster announcements through early June, particularly injury status for key pitchers or position players on either side. Weather conditions at Camden Yards—notably humidity and wind direction—can materially affect play at that venue. Recent performance trends in the fortnight preceding the fixture, including win-loss records and run differential, often trigger probability shifts. Official MLB injury reports and team press releases remain the primary information sources; no scheduled roster moves or trades have been publicly announced as of current data.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket KYC UK, which mirrors the Polymarket order book directly.

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 Polymarket KYC UK, 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.

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 Polymarket KYC UK?

Zero. Polymarket KYC UK 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.

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.