Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات كورة) Pick polygram.ink (preferred broker) |
68% | 32% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
68% | 32% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 68% |
| 1st 5 Innings O/U 3.5 | 53% |
| O/U 7.5 | 53% |
| Seattle Mariners vs. Houston Astros | 47% |
| NRFI | 46% |
| O/U 8.5 | 44% |
| 1st 5 Innings O/U 4.5 | 39% |
| Spread -1.5 | 36% |
| Spread -1.5 | 34% |
| O/U 9.5 | 34% |
| 1st 5 Innings Spread -1.5 | 31% |
| 1st 5 Innings O/U 5.5 | 30% |
| Spread -2.5 | 27% |
| 1st 5 Innings Spread -1.5 | 25% |
| Spread -2.5 | 25% |
| 1st 5 Innings O/U 6.5 | 23% |
| Extra Innings | 10% |
Market context
Seattle Mariners and Houston Astros meet in a divisional game with the market sitting close to a coin flip, and that fits the recent pattern: Seattle has had the upper hand in the 2026 series overall, but Houston has already taken one of the most recent meetings, including a 4-3 win on 13 May, so the matchup has not followed a one-way script[10]. The more recent run of head-to-head games has also shown that form can swing sharply from night to night, with the last two meetings on this homestand producing wider scoring margins and a more volatile price on the moneyline[15].
The key trading drivers are lineup availability and the starting pitching confirmation close to first pitch. Houston has been managing Jose Altuve as day-to-day with a foot issue, while Brice Matthews has been added to the injured list with a knee sprain, and Carlos Correa remains out on the 60-day list[1][2][3]. Seattle’s injury sheet is also heavy, with J.P. Crawford, Luke Raley, Matt Brash and several depth pieces unavailable, which reduces flexibility if the club needs late-game pinch-hitting or bullpen leverage[1][3][12]. Bryan Woo is listed opposite Hunter Brown in preview material, so any late change there would materially alter the shape of the market[11].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $170K.
Methodology
Football-specific comparison page for توقع: Seattle Mariners vs. Houston Astros. 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.
- 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.
- 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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