Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) Pick polygram.ink (preferred broker) |
93% | 7% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
93% | 7% | 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 |
|---|---|
| 33°C | 93% |
| 34°C | 8% |
| 35°C | 1% |
| 26°C or below | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 36°C or higher | 0% |
Market context
Incheon International Airport is set for another hot day, and the market is really about whether the airport station can beat the forecasted mid-30s rather than simply stay warm. The current crowd price of 0% for **YES** looks anchored to a conservative reading of the early August pattern, but the live forecast picture is materially hotter than that: local reporting has Incheon around **34°C** and Seoul around **37°C** today, with the Korea Meteorological Administration warning of nationwide heat and tropical nights.[2][8]
Historically, early August in Seoul and the capital area is one of the most humid and elevated parts of the year, with the chance of a muggy day peaking on 3 August in climate summaries for the city.[17] That matters because airport readings can run lower than inland Seoul when sea breezes hold, yet the present synoptic set-up is working the other way: easterly winds are expected to strengthen heating west of the mountains, and clear skies reduce the chance of cloud cover suppressing the daytime maximum.[1] The most relevant comparison is therefore not a cool coastal benchmark, but whether Incheon can track closer to the low-to-mid 30s than to a benign high-20s outcome.[2][8]
The main catalysts are the short-range forecast updates, any shift in wind direction, and the timing of cloud or shower development before the daily maximum is fixed. SBS reported a heatwave warning across Seoul and clear skies, while the KMA-based market previews still show **Incheon at 34°C** for the day, implying the final settlement range will hinge on whether local conditions peak above or below that line.[1][2][8] Traders should also watch for any afternoon convective showers south of Chungcheong, because if the broader heat ridge holds intact, the airport site has room to print a stronger maximum than the crowd currently assumes.[1][8]
Methodology
Football-specific comparison page for Pronóstico: Highest temperature in Seoul (Incheon) on August 3?. 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
- 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.
- 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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