Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Champions League Prediction) Pick polygram.ink (preferred broker) |
73% | 27% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
73% | 27% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 73% |
| 1st 5 Innings O/U 3.5 | 58% |
| O/U 7.5 | 53% |
| NRFI | 48% |
| Detroit Tigers vs. Seattle Mariners | 47% |
| 1st 5 Innings O/U 4.5 | 44% |
| O/U 8.5 | 43% |
| Spread -1.5 | 35% |
| Spread -1.5 | 34% |
| 1st 5 Innings O/U 5.5 | 33% |
| O/U 9.5 | 33% |
| 1st 5 Innings Spread -1.5 | 30% |
| 1st 5 Innings Spread -1.5 | 26% |
| Spread -2.5 | 26% |
| Spread -2.5 | 24% |
| 1st 5 Innings O/U 6.5 | 23% |
| Extra Innings | 9% |
Market context
The Detroit Tigers and Seattle Mariners meet in Seattle, with the market pricing the Tigers at 47% despite the Mariners’ stronger season profile in the available data. Detroit have been the more volatile side: ESPN lists them at 4-9 overall and 2-8 away, while Seattle are also 4-9 but have been slightly better at home at 3-4; that keeps the game close on current form rather than record alone.[1]
Recent head-to-head results support a tight read on the 47% YES price. Detroit won 5-4 on 7 June after a late two-run hit off Andrés Muñoz, and had also taken the previous meeting 7-3, so the Tigers have recently matched up well against Seattle in this set of fixtures.[2][5][6] Earlier preview data also showed Seattle entering that series with the cleaner underlying numbers, including a stronger last-10 stretch and fewer runs allowed, which is the sort of split that can hold a fair price near coin-flip territory even when the short-term results have swung Detroit’s way.[8]
The main catalysts now are starting-line-up and pitching announcements, plus any late injury changes, because the balance between Detroit’s weaker offence and Seattle’s better run prevention can move quickly once the line-ups are confirmed.[1][8] ESPN’s preview listed several Tigers injuries in June, including Tarik Skubal, Casey Mize, Kenley Jansen and Trey Sweeney, so traders should check whether any of those availability issues have changed before first pitch.[8] Seattle’s recent scoring drought in the current results set also matters: if the Mariners keep suppressing runs but the Tigers get a full-strength order, the 47% probability looks defensible; if Detroit’s injury load deepens, that number would be vulnerable.[1][8]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $486K.
Methodology
Football-specific comparison page for Detroit Tigers vs. Seattle Mariners. 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.
- 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.
- 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.
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