Pronóstico: Highest temperature in Wellington on July 15?

Platform comparison

Market context

Wellington’s highest temperature on 15 July 2026 at the International Airport Station will determine this Polymarket contract, yet the crowd currently prices a YES outcome at 0%, implying near-certainty the temperature will fall outside the defined range. On Polygon, traders use USDC to buy conditional tokens representing YES or NO, with settlement locked once Wunderground publishes the day’s peak Celsius reading for NZWN.

Historically, mid-July in Wellington sees average highs of 10–12°C, with extremes rarely exceeding 16°C; the 2023 winter peak reached 14.8°C, while the 2019 cold snap dipped to 3.2°C overnight. A 0% YES probability suggests the market’s range likely sits above 17°C, a threshold not breached in the last decade of recorded data at this station, making the current pricing consistent with long-term climatology.

Traders should monitor the Bureau of Meteorology’s daily synoptic charts for any anomalous southerly warm-air advection or rapid pressure shifts that could spike temperatures, though no such alerts are active as of early 15 July. Wunderground’s hourly updates will be the sole resolution source, and any discrepancy between its NZWN reading and other local stations could trigger disputes, so real-time verification of the NZWN dataset is essential before settlement at 12:00 UTC.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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 Polymarket Qué Es 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.