Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 | 100% |
| 25°C or below | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C or higher | 0% |
Market context
Shenzhen’s reading is set by the hottest value logged at Bao’an airport on 4 August, so the market hinges on a single-day maximum rather than the broader city forecast. With the crowd pricing **0% YES**, traders are effectively saying the settlement outcome is viewed as either not yet covered by the market or highly unlikely relative to the listed range.
August in Shenzhen is typically **hot, humid and wet**, with average highs around **32°C** and frequent rain, but that does not guarantee an extreme peak on any one day. Recent forecasts for early August point to temperatures around **31–33°C** with showers and cloud cover, which can cap daytime heating even when the monthly norm is high[2][9][16][18]. Comparable August guidance also shows a narrow cluster near **31°C to 32°C** for 4 August, reinforcing that the main question is whether breaks in cloud allow a brief spike above the usual band[2][10].
For traders, the key catalysts are the **intraday forecast updates**, any shift in **rain timing or cloud cover**, and whether a **typhoon-related system** changes humidity, wind and storm coverage in the region. Shenzhen’s August climate is already rain-prone, with sources describing more than 20 rainy days and over 300 mm of monthly precipitation, so the exact placement of showers on the day matters more than the monthly average[2][18][20]. Because the market resolves off the airport station’s highest recorded temperature, late-day clearing or a suppressed afternoon under persistent rain are the main dependencies to watch[7][12].
Methodology
Sports-specific comparison page for Highest temperature in Shenzhen on August 4?. 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
- 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.
Trade Highest temperature in Shenzhen on August 4? on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →