Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Champions League Prediction) Pick polygram.ink (preferred broker) |
46% | 54% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
46% | 54% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 33°C | 46% |
| 32°C | 28% |
| 34°C | 22% |
| 31°C | 4% |
| 35°C | 4% |
| 30°C | 1% |
| 27°C or below | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 36°C | 0% |
| 37°C or higher | 0% |
Market context
Hong Kong’s peak temperature on 6 August will be set by the Hong Kong Observatory’s **Absolute Daily Max**, so the market is really a single-reading call on how hot the city gets at any point in the day. The current 0% YES price is far below the climatological norm for early August, when the Observatory’s 1991–2020 daily normal for 6 August puts the mean maximum at **31.6°C** and the average temperature at **28.9°C**.[3]
Recent August reference points show that Hong Kong can still produce a materially hotter reading than the mean when conditions turn more stagnant. In 2025, the Observatory noted prolonged heat after 6 August, with the month’s peak reaching **34.4°C** on 10 August, while 2024 was described by the Observatory as an exceptionally hot August, with mean daily maximum temperature at **32.3°C**.[4][6] By contrast, public forecasts currently lean less extreme, with AccuWeather’s Hong Kong August view showing 6 August around **88°F/80°F** and nearby days mostly in the upper 80s to low 90s Fahrenheit, which is roughly consistent with a maximum in the low-30s Celsius rather than a clear spike well above it.[1]
The key catalysts are the short-range forecast and any shift in the synoptic set-up over the next 24 hours, especially whether cloud, showers or a stronger onshore flow cap the daytime maximum below the seasonal average. Traders should watch the Hong Kong Observatory’s current weather updates and the next daily forecast cycle, because the market will not resolve until the Observatory publishes the finalized daily extract for the date.[5] If the day trends close to the normal 31–32°C range, the 0% YES price looks more like a function of market structure than a strong weather conviction.[3][5]
Methodology
Football-specific comparison page for Highest temperature in Hong Kong on August 6?. 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.
- 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.
- 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.
- 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.
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