Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات كورة) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
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 airport maximum for 4 August is being set against a warm, humid summer backdrop, with model-based forecasts clustering around the low 30s Celsius and several sources pointing to a daytime high near 32–34°C. Current August guidance for the city also supports that range: one forecast shows 32°C/24°C with patchy rain possible, while broader climate summaries describe early-August Chengdu as typically hot, sticky and frequently interrupted by showers rather than sustained rain.[1][2][5][11][12]
For market framing, the key comparison is that Chengdu’s August highs usually sit close to 30–32°C, but brief surges into the mid-30s are common when cloud cover breaks and humidity traps heat. The market’s 0% YES reading implies the crowd is not expecting an extreme upside move, yet historical daily highs around 32°C on 4 August and forecast outputs in the 31–34°C zone leave the upper bands live if cloud and rainfall underperform.[10][11][17]
Traders should watch the morning and early-afternoon updates from the airport station, because the settlement source is the highest observed temperature on the day, not the forecast high. Any change in rain timing, cloud cover or thunderstorm coverage matters more than overnight lows, and the market can still shift if the day turns sunnier than expected; recent guidance has already flagged patchy rain and a 6.3 mm rainfall signal, which would cap the ceiling if it arrives during the warmest hours.[2][9][13][14]
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.
- 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.
- 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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