Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
42% | 58% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
42% | 58% | 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 | 42% |
| 32°C | 40% |
| 33°C | 17% |
| 34°C | 5% |
| 26°C or below | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 35°C | 0% |
| 36°C or higher | 0% |
Market context
The real-world event is the daily maximum temperature recorded by the Hong Kong Observatory on 10 July 2026, which will determine the outcome of this prediction market. Forecast models from agencies including the Hong Kong Observatory suggest a high near 33–34°C under typical conditions for this date[1]. Historical data shows July is Hong Kong’s hottest month, with an average high of 89°F (31.7°C) and recorded peaks reaching 35.7°C in past years[2][8]. The current crowd-implied probability of 0% for any specific range appears inconsistent with these climatic norms, as temperatures in this range are statistically common for mid-July.
Traders should monitor the official release of the “Daily Extract” from the Hong Kong Observatory, which finalises the “Absolute Daily Max (deg. C)” for 10 July once data is validated[7]. The settlement window closes at 12:00:00Z on 10 July 2026, meaning the market cannot resolve until the observatory publishes the confirmed figure[1]. Recent weather patterns show daily highs in Hong Kong’s July 2026 forecast ranging from 86°F to 93°F (30–34°C), with the average high at 89°F (31.7°C)[3]. No major announcements or schedule changes are expected, but the dependency on the observatory’s finalised data remains the critical catalyst for resolution.
Methodology
Sports-specific comparison page for Highest temperature in Hong Kong on July 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 or Manifold.
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.
- 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.
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