Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات المونديال) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 33°C | 100% |
| 26°C or below | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 36°C or higher | 0% |
Market context
Guangzhou faces another peak of summer heat as traders assess the likelihood of record-breaking temperatures on 20 July 2026, with the crowd currently assigning zero probability to any outcome above the implied threshold. Historical data shows July in Guangzhou typically sees highs around 32°C, with humidity levels averaging 82% creating a muggy, oppressive atmosphere that often pushes temperatures higher than dry-heat equivalents [2]. The settlement relies on the official reading from Guangzhou Baiyun International Airport Station, a location known for capturing urban heat effects that can elevate readings beyond surrounding areas.
Recent weather patterns suggest that while 32°C is the average high, extreme heatwaves in the region have occasionally pushed temperatures toward 35°C or higher, particularly under clear skies which occur only 21% of the day in July [2]. The current 0% YES probability appears to reflect a conservative view that temperatures will stay within the lower ranges, yet historical volatility in the region’s summer climate means a sudden spike remains plausible if cloud cover diminishes and humidity peaks. Traders should monitor real-time updates from Wunderground, the designated resolution source, for any deviations from the typical 90°F ceiling [2].
Key catalysts include the daily weather forecast releases and any sudden shifts in wind speed, which averages 10.8 mph in July and can moderate temperatures if it increases [2]. With light rain and fog currently reported in the area, the immediate outlook suggests suppressed heat, but traders must watch for rapid clearing conditions that could trigger a sharp temperature rise before the 12:00 UTC settlement window closes [1]. The dependency on a single station’s reading means localized anomalies at Baiyun Airport could override broader regional trends, making granular monitoring essential.
Methodology
Football-specific comparison page for توقع: Highest temperature in Guangzhou on July 20?. 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.
- 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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