Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via احتمالات كأس العالم) Pick polygram.ink (preferred broker) |
98% | 2% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
98% | 2% | 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 |
|---|---|
| 36°C | 98% |
| 37°C | 2% |
| 38°C | 1% |
| 30°C or below | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 39°C | 0% |
| 40°C or higher | 0% |
Market context
Shanghai’s warmth in early August is usually already in the summer peak, with typical daily highs around 31–32°C and average August highs in the mid-30s on some historical datasets. WeatherSpark puts Shanghai’s August daily highs mostly in the low-to-mid 30s Fahrenheit-equivalent pattern, while ClimateYearbook shows an average August high of 35.4°C in 2024, and multiple climate summaries place the month’s record highs up to 40–41°C in extreme years.[1][2][6]
That context makes a 0% “yes” price look detached from the climate baseline rather than from a normal-shape distribution: Shanghai’s August heat can reach well into the mid-30s Celsius, and the city has recently produced record August heat, including 35.8°C downtown on 31 August 2025 and a month-long run of high-temperature days. For this market, the relevant question is not whether August can get hot, but whether Pudong Airport’s *single-day maximum* on 2 August 2026 lands in the specific band used for settlement.[3][5][6]
The main trader watchpoints are the local forecast evolution, any typhoon-driven cloud and rain suppression, and whether nighttime warmth keeps the day’s maximum elevated. AccuWeather’s August 2026 outlook has Shanghai’s daily highs running roughly 82° to 92°F, which would leave several settlement bands in play if sustained, but that forecast can move materially with changes in the East China Sea typhoon track and monsoon moisture.[11][15][16] The market settles on the Wunderground history page for Shanghai Pudong International Airport Station, so the final print depends on that station’s observed maximum rather than a citywide average.[6]
Methodology
Football-specific comparison page for توقع: Highest temperature in Shanghai on August 2?. 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.
- 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.
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