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 |
|---|---|
| 34°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% |
| 33°C | 0% |
| 35°C | 0% |
| 36°C or higher | 0% |
Market context
Chengdu’s reading for 4 August is likely to be set by a hot, humid daytime build-up rather than a clean, dry heat spike. Short-range August forecasts for the city point to a high around **32°C** with patchy rain possible and a broadly similar low-to-mid 30s range across several services, which is consistent with Chengdu’s usual late-summer pattern of warmth, humidity and intermittent showers.[1][2][3][7]
That backdrop makes the current **0% YES** crowd view look aggressive if the market is looking for an extreme outcome, because the climatology for early August still clusters around the low 30s rather than the upper 30s. Historical August guides place Chengdu’s average high near **30°C**, with 4 August specifically around **32.1°C** in one long-run summary, while broader monthly datasets show daytime maxima commonly around **30–32°C** and only occasional pushes higher.[3][5][7][18] On that basis, the key question is less whether it gets warm and more whether cloud, rain, or an afternoon thunderstorm caps the station’s recorded maximum before it can run away. Forecast services also note that August is both hot and rainy, so timing matters: an early peak can settle the day at the upper 20s or low 30s, whereas a later sunny window can still lift the final high into the mid-30s.[3][13]
For traders, the main catalysts are any late changes to the local forecast, especially updates to rain timing, cloud cover, and thunderstorm coverage around the airport station. The market settles off the highest temperature recorded at Chengdu Shuangliu International Airport on the day, so the decisive inputs are the hourly evolution of conditions and any revised station observations before the next day’s first datapoint appears.[16]
Methodology
Football-specific comparison page for توقع: Highest temperature in Chengdu on August 4?. 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.
- 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.
- 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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