Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
96% | 4% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
96% | 4% | 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 |
|---|---|
| 33°C | 96% |
| 34°C | 4% |
| 26°C or below | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 35°C | 0% |
| 36°C or higher | 0% |
Market context
Hong Kong on 1 July 2026 is expected to experience peak summer heat, with the Hong Kong Observatory recording daily maximum temperatures that typically fall between 30°C and 34°C. The market currently implies a 0% chance of the temperature exceeding the highest resolution threshold, suggesting traders believe an extreme outlier—such as a record-breaking 36°C+ day—is virtually impossible under normal climatic conditions.
Historical data frames this probability firmly: July 2024 was exceptionally hot, reaching 34.8°C on 7 July, yet remained within the upper end of the typical range[1]. Over the past decade, no 1 July has exceeded 35°C, and the monthly mean maximum for July is consistently around 32.4°C, ranking among the ninth-highest on record[1][4]. This stability supports the crowd’s confidence that a temperature breach of the highest bracket is not imminent.
Traders should monitor the Hong Kong Observatory’s upcoming “Daily Extract” for 1 July 2026, which will finalise the absolute daily maximum once published[4]. Key catalysts include any sudden shifts in the subtropical ridge, which dominated southern China in 2024 and drove exceptional heat[1], or the arrival of typhoons, which peak in June–September and can suppress temperatures[7]. The forecast for July 2026 already indicates highs of 85–93°F (29.4–33.9°C), reinforcing the likelihood of temperatures staying within expected bounds[2].
Methodology
Sports-specific comparison page for Highest temperature in Hong Kong on July 1?. 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
- 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.
- 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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