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 |
|---|---|
| 1st 5 Innings Spread -1.5 | 100% |
| Spread -1.5 | 100% |
| Seattle Mariners vs. Miami Marlins | 0% |
| NRFI | 0% |
| Spread -1.5 | 0% |
| O/U 8.5 | 0% |
| 1st 5 Innings Spread -1.5 | 0% |
| 1st 5 Innings Spread -2.5 | 0% |
| 1st 5 Innings Spread -2.5 | 0% |
| 1st 5 Innings O/U 2.5 | 0% |
| 1st 5 Innings O/U 3.5 | 0% |
| 1st 5 Innings O/U 4.5 | 0% |
| 1st 5 Innings O/U 5.5 | 0% |
| 1st 5 Innings O/U 6.5 | 0% |
| Extra Innings | 0% |
| O/U 7.5 | 0% |
| O/U 6.5 | 0% |
| Spread -2.5 | 0% |
| O/U 5.5 | 0% |
| O/U 4.5 | 0% |
| O/U 3.5 | 0% |
| O/U 2.5 | 0% |
Market context
The real-world event is an MLB game on 8 July at 6:40PM ET between the Seattle Mariners and Miami Marlins, where the market resolves to the winner. Current crowd-implied probability sits at 0% for Seattle, a stark contrast to their recent form, as they lost the previous night’s 10-inning thriller 6–5 in a walk-off to the Marlins[3][5]. Historically, such a 0% line for a team with a 47–45 record and first-place AL West standing is anomalous; comparable cases show markets only collapse to zero when a team faces a confirmed roster crisis or a pitcher with a 7+ ERA, neither of which applies here[8]. The Mariners hold a slight all-time series lead (14–13) and are 6–9 on the road against Miami, suggesting the line may be mispricing their resilience after a late-inning collapse[8].
Traders must watch George Kirby’s probable starter status against the Marlins’ TBD pitcher, as Kirby’s 3.81 ERA and 7–7 record could shift the line if confirmed[8]. The Marlins are on a W3 streak with a 50–42 record and strong home form (29–17), which may justify some bias, but the 0% Seattle probability ignores their offensive depth, including Cal Raleigh’s two doubles and Randy Arozarena’s scoring run in the previous game[1][2]. Key dependencies include injury updates for both bullpens and any weather delays at loanDepot Park, as the game is scheduled for 8 July with a settlement window ending 15 July 2026[6]. Recent news from Bleacher Report notes the Marlins’ home win streak, but the Mariners’ AL West lead and recent road performance suggest the market may be overreacting to a single walk-off loss[4].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $310K.
Methodology
Football-specific comparison page for Pronóstico: Seattle Mariners vs. Miami Marlins. 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.
- 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.
- 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.
Trade Pronóstico: Seattle Mariners vs. Miami Marlins on Mundial 2026 Grupos
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