Pronóstico: Highest temperature in Wuhan on July 19?

Platform comparison

Market context

Wuhan's peak temperature on 19 July 2026 will be measured at Tianhe International Airport and settled against historical records from Wunderground. The market currently shows 0% probability across all temperature bands, a pricing anomaly typical of low-liquidity contracts awaiting initial capital deployment. On Polygon, this conditional token pair will trade in USDC, with resolution tied to a specific weather station's daily maximum reading rather than city-wide averages or forecasts.

Wuhan experiences extreme summer heat. July averages around 29–32°C, though peaks regularly exceed 35°C during heatwave periods. The city's worst-case July temperatures have reached 40°C or higher in recent decades, particularly during the 2013 and 2022 heatwaves when central China endured sustained high-pressure systems. Historical data from Tianhe station shows July maxima clustering between 33–38°C in typical years, with outlier events pushing toward 40°C. The 0% crowd probability suggests traders are either absent or awaiting clearer price discovery; comparable weather markets on Polymarket typically see activity only after initial liquidity provision.

Traders should monitor China Meteorological Administration forecasts released in early July 2026, particularly alerts for high-temperature warnings (橙色预警 or above) in Hubei Province. El Niño or La Niña conditions in the preceding months will influence whether the western Pacific anticyclone dominates central China's weather pattern. Real-time settlement depends entirely on Wunderground's historical data feed for ZHHH station; any data gaps or corrections post-19 July could affect resolution timing, though such occurrences remain rare for major international airports.

Methodology

We track Pronóstico: Highest temperature in Wuhan on July 19? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.