Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
44% | 56% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
44% | 56% | 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 |
|---|---|
| 27°C | 44% |
| 28°C | 37% |
| 29°C | 22% |
| 26°C | 11% |
| 30°C | 2% |
| 24°C or below | 0% |
| 25°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C or higher | 0% |
Market context
Shenzhen Bao'an International Airport is currently experiencing morning thunderstorms on 7 July 2026, with temperatures hovering around 29°C and a high forecast of 30°C. This active weather pattern, featuring scattered showers and cloud cover, directly suppresses the likelihood of extreme heat reaching the upper thresholds required for a "YES" outcome in this prediction market.
Historical climate data confirms that July is the hottest month in Shenzhen, with an average high of 32°C (89°F), yet the current cloud cover and precipitation significantly deviate from the clear-sky conditions typically needed to push temperatures beyond 35°C. Comparable cases from recent years show that when morning thunderstorms occur in early July, the daily maximum rarely exceeds 31°C, making the current 0% crowd-implied probability for higher ranges a statistically sound reflection of these meteorological constraints.
Traders should monitor the official Wunderground hourly updates for the Bao'an station, specifically watching for any sudden clearing of clouds or a drop in precipitation intensity that could allow solar radiation to spike temperatures later in the day. The National Weather Service reports thunder showers persisting through 5:00 am, suggesting that the immediate catalyst for a potential shift remains the cessation of these showers and the subsequent reduction in cloud density, which would be the primary dependency for any temperature surge.
Methodology
Sports-specific comparison page for Highest temperature in Shenzhen on July 7?. 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
- 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.
- 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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