Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) 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’s highest temperature on 16 July 2026 is the real-world event determining this market’s outcome, with the crowd currently assigning a 0% implied probability to any YES outcome, suggesting near-total consensus that the temperature will fall outside the offered ranges. Historical July highs at Wellington International Airport typically cluster between 13°C and 16°C, with 15°C and 16°C carrying the strongest implied probabilities in parallel markets (53% and 37% respectively), indicating that small shifts in frontal timing or wind strength can alter the peak by a degree [1]. This fragmentation reflects genuine meteorological uncertainty rather than a high-confidence forecast, as weak high-pressure ridges rather than active frontal systems usually define mid-July conditions in the region [3].
Traders should monitor real-time updates from Wunderground for the day’s recorded maximum, as the market resolves solely on that figure for Wellington Intl Airport Station [1]. Key catalysts include the timing of any south-southwesterly fronts, which currently bring winds of 24 mph and temperatures near 15°C, potentially suppressing peaks if they intensify [2]. While no specific announcements are scheduled, the dependency on precise insolation and wind strength means the value spot may sit contrarian to the 0% crowd view if early readings suggest a ridge strengthening unexpectedly, though current data favours the 13–16°C band as the most climatologically defensible range [1][3].
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Highest temperature in Wellington on July 16? on Who Will Win
Live order book, 0% fees, USDC settlement in seconds.
Open live market →