Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) Pick polygram.ink (preferred broker) |
63% | 37% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
63% | 37% | 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 |
|---|---|
| 35°C | 63% |
| 36°C | 19% |
| 34°C | 16% |
| 37°C | 3% |
| 30°C or below | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 38°C | 0% |
| 39°C | 0% |
| 40°C or higher | 0% |
Market context
Beijing's highest temperature on 28 July 2026 will be measured at Capital International Airport Station and resolved against historical weather records. July typically marks the peak of Beijing's summer monsoon season, when daily highs routinely exceed 30°C. The city's continental climate produces sharp temperature swings between urban heat-island effects and occasional cool air masses from the north, making precise forecasting difficult beyond a week in advance.
Historical data from the past decade shows July 28 temperatures in Beijing ranging from 26°C to 37°C, with an average high around 31–32°C. The 0% crowd probability suggests traders are either awaiting specific forecast data or treating this as a placeholder market pending clearer atmospheric conditions. Comparable late-July dates show that extreme heat (above 35°C) occurs in roughly one year in four, whilst temperatures below 28°C are rare but possible if a cold front moves through the region.
Traders should monitor China Meteorological Administration forecasts from mid-July onwards, as these typically provide reliable 10–14 day outlooks. El Niño or La Niña patterns influence broader East Asian summer circulation, though their impact on a single day remains probabilistic. The settlement window closes at midday UTC on 28 July, requiring resolution against Wunderground's recorded data within hours of the market end time.
Methodology
Football-specific comparison page for Pronóstico: Highest temperature in Beijing on July 28?. 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
- 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.
- 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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