Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Champions League Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| 34°C | 100% |
| 27°C or below | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 35°C | 0% |
| 36°C | 0% |
| 37°C or higher | 0% |
Market context
Incheon’s airport station is facing a proper summer heat set-up, with Seoul’s daytime high forecast at 38°C and official heat-wave warnings already in force across the capital area. That matters because the market resolves on the *highest* temperature at Incheon Intl Airport Station, not the city centre, so traders should expect the airport to track the same broad regional heat but often land a touch lower than Seoul proper if the sea breeze or a passing shower clips the peak.[1][2][15]
The historical frame points away from the current 0% YES price. August is routinely one of the hottest periods in Seoul, with average highs around 28–30°C and long-run August record highs reaching 38.2°C, so a low-30s outcome is the baseline rather than an outlier.[15][18][19] Recent comparable forecasts still cluster in the low to mid-30s for the city area, with some sources showing 33–38°C and others nearer 31–33°C, which is consistent with a hot but not extreme day and leaves the upper-30s band as the key risk if cloud cover stays light.[1][3][4][6]
For traders, the main catalysts are the morning and early-afternoon updates from the Korea Meteorological Administration and any fresh mention of showers or western-region cloud, because those are the factors most likely to shave the daily maximum.[7][11] The SBS forecast says the heat is expected to persist “day and night” and specifically flags 38°C in Seoul with showers in parts of the west, which supports a high-temperature regime but also leaves room for a lower airport reading if precipitation develops locally.[1]൰
Methodology
Football-specific comparison page for Highest temperature in Seoul (Incheon) on August 5?. 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.
- 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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