Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| NRFI | 100% |
| O/U 5.5 | 64% |
| 1st 5 Innings Spread -2.5 | 51% |
| 1st 5 Innings O/U 6.5 | 50% |
| Extra Innings | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -2.5 | 50% |
| 1st 5 Innings O/U 2.5 | 50% |
| 1st 5 Innings O/U 3.5 | 50% |
| 1st 5 Innings O/U 4.5 | 50% |
| 1st 5 Innings O/U 5.5 | 50% |
| Spread -1.5 | 50% |
| Washington Nationals vs. Boston Red Sox | 46% |
| O/U 7.5 | 40% |
| O/U 8.5 | 32% |
| Spread -1.5 | 31% |
| O/U 6.5 | 30% |
| O/U 9.5 | 21% |
Market context
The upcoming MLB fixture at Fenway Park pits the 43-43 Washington Nationals against the 37-46 Boston Red Sox in a three-game series, with the market currently pricing a Nationals win at 42% despite the Red Sox holding a favourite moneyline of -143. This probability sits in a historical context where mid-table clubs with superior road records (like the Nationals’ 26-18 away form) often defy home-field favourites at venues like Fenway when the latter suffer from inconsistent bullpen reliability; comparable cases from the 2024 and 2025 AL East seasons show that teams with winning away percentages frequently secure moneyline value against home teams with losing home records, even when the home side boasts a short winning streak.
Traders must monitor immediate injury updates and roster moves ahead of the July trade deadline, as key pitching absences could drastically alter the line. The Nationals’ rotation depth is already tested by Jake Irvin’s placement on the 15-day IL with a shoulder issue, while the Red Sox face their own bullpen fragility despite Ranger Suarez leading the staff; recent analysis from Rotoworld Bet explicitly recommends a play on the Red Sox moneyline, yet the market’s 42% pricing suggests a potential divergence if the Nationals’ bullpen remains stable. Upcoming weather conditions and late-inning bullpen usage in this late-June series will be critical dependencies, with both clubs likely finalising roster decisions before the deadline, making lineup announcements and injury reports the primary catalysts for price movement.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $382K.
Methodology
Football-specific comparison page for Pronóstico: Washington Nationals 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
- 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.
- 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.
- 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.
- 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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