Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
98% | 2% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
98% | 2% | 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 |
|---|---|
| 11°C | 98% |
| 12°C | 1% |
| 5°C or below | 0% |
| 6°C | 0% |
| 7°C | 0% |
| 8°C | 0% |
| 9°C | 0% |
| 10°C | 0% |
| 13°C | 0% |
| 14°C | 0% |
| 15°C or higher | 0% |
Market context
The temperature outcome for Wellington International Airport on 1 August will hinge on whether the day briefly reaches the sort of mild winter peak that is normal for Wellington, not on a broad seasonal average. Long-run August data put Wellington’s typical daily high around 12°C to 13°C, with recent summaries showing August maxima near 13.8°C and record August highs only in the mid-to-high teens, so a result above the low teens is possible but not the base case.[1][3][15]
That is why the current 0% YES price looks anchored to the fact that the market resolves on the *highest* temperature recorded during the day, a metric that can be lifted by a short warm spell even if the rest of the day is cool. For context, Wellington’s all-time record high is much higher than August norms, but that kind of extreme is rare and usually tied to unusual synoptic conditions rather than a standard winter pattern.[1][14] The key historical analogue is a steady Wellington winter day: high cloud, wind, and light rain can hold the maximum close to the seasonal average, while a brief northerly or a late-morning clearing can push the airport reading a few degrees higher.[13][15]
For traders, the main catalysts are the local forecast and any shift in wind direction or cloud cover at Wellington Airport, because the airport reading is what settles the market. Watch the official MetService/NIWA-style short-range forecasts, especially whether an afternoon northerly develops or a front crosses during the local daytime window; a change in timing by a few hours can materially alter the day’s maximum. If the forecast trends towards a settled, sunny spell, the temperature ceiling becomes more contestable; if it stays showery and breezy, the lower bands remain favoured.[13][16]
Methodology
Sports-specific comparison page for Highest temperature in Wellington on August 1?. 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.
- 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.
Trade Highest temperature in Wellington on August 1? on March Madness Predictions
Live order book, 0% fees, USDC settlement in seconds.
Open live market →