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Baltimore Orioles vs. Boston Red Sox

"Baltimore Orioles vs. Boston Red Sox" — live football odds plus comparison across the four major prediction venues.

NRFI 100% 1st 5 Innings O/U 2.5 100% O/U 7.5 86% O/U 8.5 81% Volume: $279K Liquidity: $454K Closes: 29 Jul 2026
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Baltimore Orioles vs. Boston Red Sox

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via World Cup 2026 Favorites) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Trade this market →
Polymarket (direct)
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Trade this market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Trade this market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Trade this market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Trade this market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
NRFI100%
1st 5 Innings O/U 2.5100%
O/U 7.586%
O/U 8.581%
Baltimore Orioles vs. Boston Red Sox73%
O/U 9.571%
1st 5 Innings O/U 4.562%
Spread -1.562%
1st 5 Innings O/U 5.553%
Spread -2.552%
1st 5 Innings Spread -1.550%
1st 5 Innings Spread -1.550%
1st 5 Innings O/U 3.550%
1st 5 Innings O/U 6.550%
Spread -1.517%
Extra Innings16%
Spread -2.512%

Market context

The Baltimore Orioles face the Boston Red Sox in a series that has already tilted hard towards Boston, with the Red Sox beating Baltimore 6-5 on 20 July and then winning again 6-3 on 22 July in the second game listed for the matchup. Boston’s current position is stronger on both the board and in the form guide: the Red Sox are 52-48, while the Orioles are 49-53, and the market’s 49% YES price sits close to a coin flip despite Boston being the home side and the shorter moneyline favourite. [2][3][5]

That probability makes sense against the recent run data. ESPN’s game log shows Boston arriving with a 10-game winning streak in the days before the latest meeting, while Baltimore had won seven in a row before the first defeat in this set. Fox Sports also lists Boston’s last-10 stretch at 10-0 with a 1.48 ERA and Baltimore at 7-3, so the market is pricing a contest between a hotter home team and an Orioles side that had been travelling well before the head-to-head losses. [2][6]

For traders, the main catalysts are the final line-up card, any late injury handling, and whether this fixture is treated as a continuation of the same series after the doubleheader context shown in the live listings. Fox Sports’ injury board flags several long-term absences on both clubs, including Garrett Crochet, Trevor Story and Roman Anthony for Boston, and Félix Bautista, Ryan Mountcastle and Jordan Westburg for Baltimore, which keeps run-production and late-inning pitching depth in focus. If either side rests regulars after a doubleheader or changes the starter, that is likely to move the price more than the broader season record. [3][6]

Sources: 1 · 2 · 3 · 4 · 5

Live Data & Statistics

The Polymarket order book prices NRFI at 100% for "Baltimore Orioles vs. Boston Red Sox".

NRFI 100% Other 0%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $279K.

Methodology

Football-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 (US-focused) or Manifold (play-money).

Resolution & payout

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

Are prediction markets better than sports betting?
Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
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.
How fast do sports winnings settle?
Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
Can I import form data and lineups?
This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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