Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via احتمالات كأس العالم) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 31°C | 100% |
| 25°C or below | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C or higher | 0% |
Market context
Guangzhou Baiyun International Airport is set up for a hot, humid early-August maximum rather than a cool outlier, and that is the key context behind a 0% crowd price. Typical August highs in Guangzhou sit around 33°C to 35°C, with several climate sources putting the monthly average high near 33°C and the monthly extreme warm-day maximum in the mid-to-high 30s Celsius.[1][4][18][20] For this market, the relevant number is the day’s *highest* reading at the airport station, so even if the daily average looks modest, a brief afternoon surge can still determine the settlement range.[12]
Comparable August data suggest the distribution is broad but firmly warm: WeatherSpark and other climate summaries show Guangzhou’s August daily highs clustering around 32°C to 33°C, while historical peaks can push well above that on the hottest days of the month.[5][20] That means a zero-implied chance is hard to reconcile with the city’s baseline climate unless traders expect an unusual weather regime or a material data-source issue. Recent August-forecast pages also point to highs mostly in the 89°F to 93°F range, which is roughly 32°C to 34°C, reinforcing that a temperature in the lower-to-mid 30s is the default reading rather than a tail outcome.[9][10]
The main catalysts are the synoptic setup over southern China, cloud cover, rainfall timing and whether convection builds by early afternoon, because any of those can cap the maximum at the airport before the day’s heat peak. Traders should watch official local forecasts and airport-adjacent station reporting through the morning and around the midday heating window, since the market settles on the highest reading recorded on the date at Guangzhou Baiyun International Airport Station via Wunderground.[12] If showers or thunderstorm activity arrive early, the upside to the final maximum narrows quickly; if skies stay clear into the afternoon, the market is more likely to resolve in the upper end of the expected August range.[4][18]
Methodology
Football-specific comparison page for توقع: Highest temperature in Guangzhou on August 1?. 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.
- 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.
- 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.
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