Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
43% | 57% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
43% | 57% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 30°C | 43% |
| 31°C | 37% |
| 32°C | 11% |
| 29°C | 3% |
| 33°C | 2% |
| 34°C or higher | 1% |
| 24°C or below | 0% |
| 25°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
Market context
Hong Kong will record its highest daily temperature on 6 July 2026, measured in degrees Celsius to one decimal place by the Hong Kong Observatory. Traders currently assign a 0% probability to the market resolving as "YES" for any specific range, yet Polymarket data indicates 30–32°C is the most probable outcome for the daily maximum, aligning with official guidance[1].
Historical July climatology in Hong Kong typically sees daily maxima between 30°C and 35°C, with average minima hovering near 26°C amid frequent cloud cover and moisture[2]. The seasonal forecast for July–September 2026 predicts normal to above-normal temperatures, influenced by the latest ENSO status and climate models[5]. This context suggests the 0% YES probability may reflect a mispricing, as 30–32°C remains statistically consistent with past years and current forecasts[1][3].
Traders should monitor the Hong Kong Observatory’s "Daily Extract" for the finalized "Absolute Daily Max (deg. C)" once data is published, as the market cannot resolve until this official figure is released[1]. The multi-model consensus forecast system for the Pearl River Delta region may also signal shifts in temperature trends ahead of the settlement window[8]. Any announcement of above-normal rainfall or temperature anomalies could further validate the 30–32°C range as the likely resolution[5].
Methodology
Sports-specific comparison page for Highest temperature in Hong Kong on July 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.
- 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.
- 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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