Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
99% | 1% | 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 |
|---|---|
| 16°C | 99% |
| 17°C | 1% |
| 10°C or below | 0% |
| 11°C | 0% |
| 12°C | 0% |
| 13°C | 0% |
| 14°C | 0% |
| 15°C | 0% |
| 18°C | 0% |
| 19°C | 0% |
| 20°C or higher | 0% |
Market context
Wellington is experiencing a cool, windy July morning with temperatures hovering around 15°C as the south-south-westerly flow dominates the region [1]. The current crowd-implied probability of 0% for any specific "YES" outcome likely reflects a misunderstanding of the market structure, which resolves to a temperature range rather than a binary event, or a lag in data ingestion given that the settlement window remains open until midday UTC [3]. Historical July patterns at Wellington International Airport typically see maximums between 12°C and 16°C, making the 15°C frontrunner position at 53% probability a statistically grounded expectation for this mid-winter date [3].
Traders should monitor real-time updates from Wunderground, the designated resolution source, as the day progresses toward the 12:00 UTC settlement deadline [3]. The primary catalyst is the diurnal temperature curve; with current readings at 15°C and strong winds suppressing rapid heating, the maximum is unlikely to breach 17°C significantly unless an unexpected northerly shift occurs. The market’s current pricing of 15°C at 53% and 16°C at 44% suggests the consensus expects the peak to occur within the next few hours, aligning with typical winter thermal profiles for the capital [3]. Any sudden deviation in wind direction or pressure trends, currently rising at 996mb, would be the key indicator for a shift in the final resolved range [1].
Methodology
Sports-specific comparison page for Highest temperature in Wellington on July 16?. 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.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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