Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via World Cup 2026 Favorites) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 32°C | 100% |
| 27°C or below | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 36°C | 0% |
| 37°C or higher | 0% |
Market context
Shenzhen Bao'an Airport’s high for 5 August is usually set by the city’s late-summer heat, not by a single dramatic spike, and forecasts for this date are already clustering around the low 30s Celsius. Seasonal guides put August daytime highs near **31–32°C** with warm, humid nights, while current forecasts point to a similar range, including **31°C** on 5 August from several services and **33°C** as a plausible upper-end reading if sunshine breaks through.[2][4][8][15][19]
That backdrop makes the market’s **0% YES** framing easy to read: the most likely outcomes are still concentrated in the low 30s, but Shenzhen’s summer is volatile enough for a degree or two of forecast drift. Recent market pricing on Polymarket has already favoured **32°C** over **31°C** and **33°C**, which fits the long-run climate pattern of hot, humid afternoons with rain often trimming the day’s ceiling rather than lifting it.[17][20]
The main catalysts are the short-range forecast updates between now and the settlement window, especially cloud cover, rain timing and any change in the afternoon heat index at the airport. AccuWeather’s hourly feed shows very warm, humid conditions and intermittent cloud, while the BBC and Met Office forecasts both point to showers and thundery rain in Shenzhen, which can cap the day’s maximum if they arrive early enough.[3][7][13][18] The key dependency is whether convection clears or builds before the warmest part of the day; in this market, a small shift in rain timing can move the settlement band by one full degree.[2][13][18]
Methodology
Football-specific comparison page for Highest temperature in Shenzhen on August 5?. 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.
- 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.
- 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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