Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
99% | 1% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 31°C | 99% |
| 32°C | 2% |
| 26°C or below | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 36°C or higher | 0% |
Market context
Beijing's weather on 25 July 2026 will depend on the city's typical summer monsoon patterns and any anomalous atmospheric conditions in late July. The Capital International Airport Station, situated north-east of central Beijing, records temperatures that reflect broader municipal conditions. July is consistently Beijing's hottest month, with daily highs regularly exceeding 30°C and occasionally reaching into the mid-to-high 30s Celsius.
Historical data from the past two decades shows that late July temperatures at Beijing Capital Airport typically range between 28°C and 36°C on the high end, with extreme readings above 37°C occurring roughly once every five to seven years during particularly intense heat waves. The 0% crowd probability suggests traders are pricing in either exceptionally cool conditions or are awaiting clearer atmospheric forecasting data. Comparable July dates from 2015, 2017 and 2022 recorded highs between 32°C and 35°C, providing a reasonable baseline for what constitutes typical versus anomalous conditions for this period.
Traders should monitor China Meteorological Administration seasonal forecasts released in June 2026, which typically indicate whether the East Asian summer monsoon will be stronger or weaker than average. Any significant shifts in the North Pacific subtropical high-pressure system or unusual tropical cyclone activity affecting northern China in late July could materially alter temperature outcomes. Real-time weather modelling from late July will become increasingly reliable from mid-month onwards, allowing traders to reassess positioning as the settlement date approaches.
Methodology
Sports-specific comparison page for Highest temperature in Beijing on July 25?. 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 or Manifold.
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.
- 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.
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