Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) Pick polygram.ink (preferred broker) |
41% | 59% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
41% | 59% | 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 |
|---|---|
| 32°C | 41% |
| 33°C | 36% |
| 34°C | 14% |
| 31°C | 8% |
| 35°C | 2% |
| 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 highest temperature on 5 August is typically decided by the day’s peak heat rather than the morning start, and the market will settle from the Hong Kong Observatory’s final “Absolute Daily Max” reading once the daily extract is published. August in Hong Kong is usually hot and humid, with published guides putting typical daytime highs around the low 30s Celsius and recent daily forecasts clustering near 29–31°C for early August, which helps explain why the market is anchored to a narrow band rather than an extreme spike.[1][10][15]
The current 0% YES price looks aggressive, because the local backdrop has already produced very warm readings this summer and the city has recently logged its hottest day of the year so far at 35.6°C, while another report noted 34°C at the Observatory and 36.7°C in Sheung Shui during a severe heatwave.[6][9] For a date like 5 August, the key comparison is whether cloud, rain or thunderstorm activity caps the daily maximum in the high 20s or whether another heat pulse pushes parts of the city back into the low or mid-30s; that range is consistent with August climatology and the short-term forecast pattern shown by temperature services for Hong Kong.[1][10][15]
Traders should watch the Hong Kong Observatory’s forecast updates, especially any thunderstorm or typhoon warnings, because those are the main dependencies that can rapidly suppress the day’s maximum. The resolution itself will not be available until the Observatory publishes the finalized daily extract, so the market can stay sensitive to late changes in weather conditions through the day and to any revision in the recorded maximum after observation completion.[7][16]
Methodology
Football-specific comparison page for Pronóstico: Highest temperature in Hong Kong on August 5?. 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.
- 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.
- 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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