Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) Pick polygram.ink (preferred broker) |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
50% | 50% | 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 |
|---|---|
| 31°C | 50% |
| 32°C | 23% |
| 33°C | 1% |
| 25°C or below | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 34°C | 0% |
| 35°C or higher | 0% |
Market context
The Hong Kong Observatory expects a maximum of 31°C on 8 July 2026, with partly cloudy to showery conditions keeping temperatures between 27°C and 31°C[2]. This forecast aligns with the market’s leading 31°C outcome at 34.5% implied probability, ahead of 30°C at 29%[2]. The current crowd-implied probability of 0% for any outcome above this range reflects the high confidence in the official forecast, which is consistent with July being one of Hong Kong’s hottest months, averaging 32°C[9].
Historical data shows that July daily highs in Hong Kong typically range from 86°F to 96°F (30°C–36°C), with the warmest period spanning late May to mid-September, averaging 33°C[3][5]. The 2026 seasonal forecast indicates temperatures will be normal to above-normal, reinforcing the likelihood of highs near or above 31°C[4]. Given that the market’s frontrunner is 30°C at 38% and 31°C at 33%, the 0% probability for higher ranges suggests traders are betting against extreme heat spikes, which are rare even in peak summer[2].
Traders should monitor the Hong Kong Observatory’s finalised “Daily Extract” for the official “Absolute Daily Max” once published, as the market cannot resolve until this data is available[2]. Any unexpected shifts in weather patterns, such as sudden showery conditions or typhoon activity, could alter the temperature range[5]. Additionally, the ENSO status and climate model forecasts, which currently support above-normal temperatures, may be updated in the coming days, potentially affecting the implied probabilities[4]. Recent news from the Observatory confirms the 31°C maximum, providing a stable baseline for market expectations[2].
Methodology
Football-specific comparison page for Pronóstico: Highest temperature in Hong Kong on July 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.
- 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.
- 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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