Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| 10°C | 100% |
| 4°C or below | 0% |
| 5°C | 0% |
| 6°C | 0% |
| 7°C | 0% |
| 8°C | 0% |
| 9°C | 0% |
| 11°C | 0% |
| 12°C | 0% |
| 13°C | 0% |
| 14°C or higher | 0% |
Market context
Wellington's highest temperature on 17 August 2026 will be measured at the airport station and recorded in Weather Underground's Daily Observations table, with settlement determined by that primary source rather than summary figures. August falls within Wellington's winter season in the Southern Hemisphere, when daily highs typically range between 10–13°C, though occasional warm fronts can push temperatures several degrees higher.
Historical August data from Wellington Airport shows that temperatures exceeding 18°C on a single day occur roughly once per decade during this month, whilst readings above 20°C are exceptionally rare. The 0% crowd probability reflects the statistical improbability of an unusually warm winter day coinciding with that specific date. However, traders should monitor long-range weather forecasts from mid-August onwards, particularly any predictions of northerly air masses or high-pressure systems that could drive temperatures into the 15–17°C range—still modest by summer standards but materially above typical winter norms.
The settlement mechanism's reliance on Weather Underground's Daily Observations rather than headline summaries introduces a technical consideration: intraday temperature spikes recorded at the airport station may differ from widely reported daily highs. Traders should familiarise themselves with how the station logs data and whether any scheduled maintenance or instrument changes occur before the resolution window closes on 17 August at 12:00 UTC.
Methodology
Football-specific comparison page for Pronóstico: Highest temperature in Wellington on August 17?. 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
- 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.
- 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.
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