Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via World Cup 2026 Favorites) Pick polygram.ink (preferred broker) |
56% | 44% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
56% | 44% | 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 |
|---|---|
| 26°C | 56% |
| 27°C | 37% |
| 28°C | 6% |
| 29°C | 2% |
| 21°C or below | 0% |
| 22°C | 0% |
| 23°C | 0% |
| 24°C | 0% |
| 25°C | 0% |
| 30°C | 0% |
| 31°C or higher | 0% |
Market context
Hong Kong’s highest temperature on 2 August will be set by the Hong Kong Observatory’s final **Absolute Daily Max** reading, not by any forecast headline or intraday estimate, so the key question is whether the day tops out in the **27–28°C** band or gets nudged higher by short-lived breaks in cloud or rain. The market is currently pricing a 0% chance of **YES**, but the source itself measures to one decimal place, which means the exact final figure matters more than the broad daily range.
Historically, August in Hong Kong is usually hot enough to support mid- to low-30s Celsius on clearer days, but the recent setup has mattered more than the seasonal average. The Hong Kong Observatory’s own forecast for 2 August points to **persistent cloud**, **heavy showers** and **thunderstorms**, with a projected maximum of **28°C** and a **24–28°C** range, which is the sort of weather that suppresses daytime heating. Comparable recent coverage has also shown how quickly Hong Kong can swing from storm-limited maxima to much hotter readings when the cloud breaks, including this year’s hottest-day reports above **34°C** in parts of the territory.[2][7][11][13]
Traders should watch the Observatory’s forecast updates, any rainfall or thunderstorm warnings, and the timing of the Daily Extract publication, because the market cannot resolve until the final data is posted. The relevant market page also notes that revisions after initial publication are not considered, so the first finalised Observatory figure is the one that matters.[2] A useful cross-check is the Observatory’s regional readings page, which shows current max/min temperature data and can indicate whether local stations are running cooler or warmer than the forecast suggests.[3][10]
Methodology
Football-specific comparison page for Highest temperature in Hong Kong on August 2?. 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.
- 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.
- 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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