Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات كورة) Pick polygram.ink (preferred broker) |
46% | 54% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
46% | 54% | 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 | 46% |
| 33°C | 43% |
| 35°C | 10% |
| 28°C or below | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 36°C | 0% |
| 37°C | 0% |
| 38°C or higher | 0% |
Market context
Shanghai’s key risk is a late-summer heat spike at Pudong airport, not a broad season-long average. August is typically the city’s hottest month, with average highs around 32°C, and several reference guides put the normal early-August high in the low 30s Celsius, while the city’s broader all-time heat records have reached about 40.8–41°C in past August events.[2][6][9][19]
That history matters because this market resolves to the *highest* reading on the day, so a brief midday surge is enough to land in a higher band even if morning or evening conditions are milder. The current crowd-implied 0% for YES looks detached from the climatology: recent August forecasts and monthly guides still point to ordinary highs in the 31–34°C area, but Shanghai has repeatedly shown the capacity to overshoot those levels during heatwave episodes, including a 40.4°C reading during a recent alert period and the 40.8°C city record on 7 August 2013.[1][7][8][4]
The main catalysts are the short-range forecast, any official heat alerts, and the timing of cloud cover or rain, which can cap the maximum temperature even when humidity stays high. Traders should watch whether Shanghai’s meteorological authorities extend or upgrade heat warnings, and whether forecast models shift the afternoon peak towards the upper 30s rather than the low 30s; the market is settled on the airport station’s observed maximum, so the final number depends on local conditions at Pudong rather than the city average.[8][15][1]
Methodology
Football-specific comparison page for توقع: Highest temperature in Shanghai on August 7?. 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.
- 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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