Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) Pick polygram.ink (preferred broker) |
70% | 30% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
70% | 30% | 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 |
|---|---|
| 35°C | 70% |
| 34°C | 16% |
| 36°C | 13% |
| 37°C | 1% |
| 29°C or below | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 38°C | 0% |
| 39°C or higher | 0% |
Market context
Hong Kong’s maximum temperature on 10 August is already forecast to be very hot, with private forecast models clustering around the mid- to high-30s Celsius and some pointing to a high of about 35–36°C in the city, while AccuWeather’s Hong Kong forecast shows a high near 97°F, or about 36°C, and warns the temperature is near the record of 99°F. The Hong Kong Observatory’s own short-range outlook is similarly hot, saying the day will be fine and “extremely hot in the afternoon”, with temperatures in some areas reaching 37°C or above.[2][9][10]
For market reading, that matters because a result above the upper-30s would need both strong heating and clear local conditions, while a more ordinary hot August day still leaves room for a lower winning bracket. Hong Kong’s August climate is typically warm, humid and wet, with average daytime temperatures around 31°C and frequent rain, but recent comparable forecasts have often sat in the low-to-mid 30s rather than pushing far beyond that range; the Observatory’s published August 2025 summary shows the month’s peak at 34.4°C on 10 August, which is a useful near-date comparator for how quickly the city can heat up.[12][15]
The main catalysts are the Hong Kong Observatory’s morning and midday updates, any Very Hot Weather Warning, and whether showers or cloud cover arrive early enough to cap the afternoon high. Forecasts on 10 August currently show low precipitation chances in some models and stronger heat warnings in others, so traders should watch for a shift in cloud, wind or rainfall guidance before the daily maximum is finalised.[2][7][11]
Methodology
Football-specific comparison page for Pronóstico: Highest temperature in Hong Kong on August 10?. 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.
- 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.
- 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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