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Baltimore Orioles vs. Boston Red Sox

How the sports market is pricing "Baltimore Orioles vs. Boston Red Sox" right now — live quote plus platform comparison.

20 outcomes · leader: NRFI at 100%

0% YES 100% NO Volume: $1.0M 24h volume: $1.0M Liquidity: $137K Opened: 28 May 2026 Closes: 10 Jun 2026

Resolution criteria: In the upcoming MLB game between the Baltimore Orioles and Boston Red Sox, scheduled for June 3 at 6:45PM ET: This market will resolve to "Baltimore Orioles" if the Baltimore Orioles win the game. This market will resolve to "Boston Red Sox" if the Boston Red Sox win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution

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Baltimore Orioles vs. Boston Red Sox

Market statistics

Total volume
$1.0M
24h volume
$1.0M
Liquidity
$137K
Open interest
$869K

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via PolyGram) Pick
polygram.ink (preferred broker)
0% 100% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
0% 100% 0% Geo-blocked in US/UK/EU USDC, on-chain Live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Live odds →

Available prediction outcomes (20)

Sorted by descending live probability. Click any outcome to trade it on PolyGram.

Market context

The Baltimore Orioles travel to Boston on 3 June for an evening fixture against the Red Sox. The 17% implied probability for an Orioles victory reflects Boston's stronger recent form and home-field advantage, though the gap between the clubs' 2026 records remains modest. Baltimore finished 2025 as a competitive playoff team, whilst Boston has maintained consistency in the AL East, making this a matchup between two mid-tier division rivals rather than a clear favourite-underdog pairing.

Historical matchups between these franchises show relatively balanced results in regular season play over the past three seasons, with neither team establishing dominance. The current 17% probability for Baltimore suggests the market is pricing in Boston's home advantage and recent momentum more heavily than historical head-to-head records would justify. If the Orioles were playing at Camden Yards, the probability would likely shift materially higher, indicating the venue effect is substantial in this market's pricing.

Traders should monitor roster updates through early June, particularly regarding starting pitcher assignments and any late-inning bullpen availability. Recent injury reports from both camps—particularly any developments affecting Baltimore's rotation depth or Boston's outfield—could shift the probability meaningfully. The settlement window extends to 10 June, allowing for postponements; weather forecasts for the Boston area on 3 June warrant attention, as rain could delay the fixture and potentially alter team readiness or pitching matchups.

Wikipedia Context

  • Baltimore Orioles
    Baltimore Orioles

    The Baltimore Orioles are an American professional baseball team based in Baltimore. The Orioles compete in Major League Baseball (MLB) as a member club of the American League (AL) East Division. As one of the American League's eight charter teams in 1901, the franchise spent its first year as a major league club in Milwaukee as the Milwaukee Brewers before

  • Baltimore Orioles minor league players

    Below are select minor league players and the rosters of the minor league affiliates of the Baltimore Orioles:

  • Baltimore Orioles (1882–1899)
    Baltimore Orioles (1882–1899)

    The Baltimore Orioles were a 19th-century professional baseball team that competed from 1882 to 1899, first in the American Association and later in the National League. This early Orioles franchise, which featured six players and a manager who were later inducted to the National Baseball Hall of Fame, finished in first place for three consecutive seasons (1

  • Baltimore Orioles (1901–1902)
    Baltimore Orioles (1901–1902)

    The Baltimore Orioles were a Major League Baseball team that played in Baltimore from 1901 to 1902. A charter member of the American League (AL), the team only lasted two seasons before folding after the 1902 season. The team was replaced the following season with the New York Highlanders, known since 1913 as the New York Yankees.

Methodology

Sports-specific comparison page for Baltimore Orioles vs. Boston Red Sox. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.

Resolution & payout

Resolution source: This market settles from the official publication at https://www.mlb.com/. A proposer submits the result to the UMA Optimistic Oracle on Polygon, the two-hour challenge window opens, and the smart contract pays out in USDC.

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

When do sports markets resolve?
Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
Can I bet on individual matches?
Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
What are live sports odds on Polymarket?
Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
Which sports markets are available?
Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
What's the difference between match odds and outright odds?
Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.

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