Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 33°C | 100% |
| 29°C or below | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 36°C | 0% |
| 37°C | 0% |
| 38°C | 0% |
| 39°C or higher | 0% |
Market context
Beijing on 6 July 2026 will see its peak temperature recorded at the Capital International Airport Station, with the market currently pricing a YES outcome at 0% despite the city’s reputation for extreme summer heat. Historical data confirms that July is Beijing’s hottest month, typically averaging daytime highs of 30°C (86°F) and frequently climbing above 40°C during heatwaves. For instance, on 6 July of a recent year, the southern suburb observatory—a key proxy for city temperatures—reached 40.1°C, while CNN reported similar scorching peaks exceeding 40°C in 2023. These comparable cases suggest that a 0% probability for high temperatures is likely misaligned with the region’s climatic reality, where daily highs routinely range from 79°F to 95°F (26°C to 35°C) and can surge significantly higher under clear skies.
Traders should monitor immediate weather forecasts and real-time temperature updates from Wunderground, the official resolution source, as sudden shifts in cloud cover or rainfall could alter the peak reading. The Beijing Meteorological Bureau has issued alerts for potential heatwaves in mid-July, noting that ultraviolet rays peak between 12:00 and 14:00, often driving temperatures to their daily maximum. Recent reports from China Discovery emphasise the changeable nature of July weather, with the rainy season bringing 185mm of monthly precipitation that could suppress highs if heavy storms occur. However, sunny intervals remain common, and the airport station’s climate charts show summer averages regularly hitting 30°C, with hotter days pushing well beyond. Watching for announcements on rainfall timing and cloud density will be critical, as these factors directly determine whether the peak temperature falls within the expected high range.
Methodology
Sports-specific comparison page for Highest temperature in Beijing on July 6?. 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.
- 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.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- 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.
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