Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Champions League Prediction) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
99% | 1% | 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 |
|---|---|
| 14°C | 99% |
| 15°C | 1% |
| 9°C or below | 0% |
| 10°C | 0% |
| 11°C | 0% |
| 12°C | 0% |
| 13°C | 0% |
| 16°C | 0% |
| 17°C | 0% |
| 18°C | 0% |
| 19°C or higher | 0% |
Market context
Wellington’s reading on 9 August will come from the airport station, and the relevant number is the highest temperature shown in Weather Underground’s Daily Observations rather than the headline Day High & Low summary. August is usually a cool, tightly grouped month in Wellington: historical averages cluster around a 12°C daytime high, with recent August norms also sitting close to that mark, which makes values much above the low teens uncommon rather than routine.[1][2][10][14]
That background is why the current 0% YES pricing needs a cold-weather benchmark rather than a “no chance of warmth” read. Weather Underground’s recent Wellington monthly page shows early-August daily highs mostly in the 10-16°C range, including 3 August at 61°F, then a step back to the low-to-mid 50s Fahrenheit through 8 August.[7] Broader climatology for Wellington points to August highs around 12°C to 13.6°C, with official-style historical summaries also describing the month as one where daily highs are usually in the low teens and rarely surge far above that.[1][2][10][12]
The main catalysts are the actual airport observations on the day, plus any synoptic shift that can push a brief warmer burst into the afternoon record. Traders should watch the hourly and daily updates on Wunderground’s Wellington history pages, because a late-morning northerly or a temporary clearing can lift the top print even if the day settles cooler later.[3][7] AccuWeather’s August 2026 outlook for Wellington shows daily highs mostly between 53° and 61°F, which supports a market centred on the low-teens Celsius bands rather than an outlier hot day.[16]
Methodology
Football-specific comparison page for Highest temperature in Wellington on August 9?. 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.
UK Frequently Asked Questions
- 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.
- Can I trade Premier League prediction markets from the UK?
- Yes. Polymarket has Premier League outcome markets (title winner, relegation, top scorer). For UK traders wanting GBP settlement and UKGC protection, Betfair Exchange and Smarkets offer Premier League futures and match markets. Betfair is the deepest liquidity venue for UK football exchange markets.
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