Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) Pick polygram.ink (preferred broker) |
72% | 28% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
72% | 28% | 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 |
|---|---|
| 34°C | 72% |
| 35°C | 28% |
| 36°C | 2% |
| 37°C | 1% |
| 31°C or below | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 38°C | 0% |
| 39°C | 0% |
| 40°C | 0% |
| 41°C or higher | 0% |
Market context
Hong Kong’s temperature on 8 August is likely to finish in the high-20s to mid-30s Celsius, which is the normal August pattern and also where the current forecast sits. The Hong Kong Observatory’s 9-day outlook for 8 August calls for “mainly fine” weather, “extremely hot” conditions and a range of 29–35°C, while AccuWeather shows a high of 97°F, or about 36°C, with isolated showers and thunderstorms later in the day.[4][2] That leaves the market anchored around a very hot day rather than anything exceptional beyond normal summer extremes.
The historical frame also matters: August is typically Hong Kong’s hottest and wettest month, with average highs around 31–34°C and frequent humid, thundery weather.[10][17] The Observatory’s own archive shows August 2024 was “an exceptionally hot August”, with a mean daily maximum of 32.3°C, which is a useful comparator for how far the upper tail can stretch in late summer.[14] In practical terms, a settlement into the 30–35°C band would fit both seasonal norms and the current official forecast, while a materially lower outcome would need cloud, rain or earlier storm activity to suppress the day’s peak.
The main catalysts are the Hong Kong Observatory’s later updates, any thunderstorm warnings or rain bands, and how quickly the hottest part of the day is curtailed by convection. The official 9-day forecast already flags isolated showers and thunderstorms later, and regional readings early on 8 August show temperatures around 33–36°C across several districts, including 36°C at Sha Tin and 37°C in parts of Kowloon and the New Territories.[4][6] Traders should also watch the observatory’s “Daily Extract” publication timing, because this market cannot resolve until the final absolute daily maximum for 8 August is posted in the climatology record.[16]
Methodology
Football-specific comparison page for Pronóstico: Highest temperature in Hong Kong on August 8?. 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
- 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.
- 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.
- 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.
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