Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
46% | 54% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
46% | 54% | 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 |
|---|---|
| 33°C | 46% |
| 32°C | 28% |
| 34°C | 23% |
| 35°C | 4% |
| 31°C | 3% |
| 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 observatory reading on 6 August is the settlement point, so the market is really about whether the day’s **absolute maximum** lands in a familiar early-August band or pushes into the hotter tail. The Hong Kong Observatory’s climatology puts the 6 August mean maximum at **31.6°C**, with average conditions still firmly in midsummer heat, and AccuWeather’s current August view shows nearby days clustered around **30–32°C** rather than extreme values.[2][1]
The 0% crowd-implied price looks hard to square with recent comparables. Hong Kong has already produced markedly hotter spells in recent summers, including an exceptionally hot August in 2024, when the city’s mean daily maximum reached **32.3°C**, and a 2025 run of record-breaking heat that included a **35.6°C** June maximum.[6][20] More recently, the city hit **34.6°C** on one of this year’s hottest days so far, underlining that high-30s-adjacent outcomes are not impossible even if they remain less common than low-30s results.[12]
For traders, the key catalysts are the Hong Kong Observatory’s short-range updates, the day’s actual cloud, rain and wind regime, and whether any tropical disturbance changes the thermal profile before the afternoon peak. The Observatory’s live weather pages and daily extract are the decisive inputs for resolution, while the forecast pattern on 5–6 August already points to warm conditions around **30–31°C** with rain chances in the mix, which can cap the maximum if cloud and showers build earlier than expected.[3][1][2]
Methodology
Sports-specific comparison page for Highest temperature in Hong Kong on August 6?. 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.
- 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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