Highest temperature in Shenzhen on July 24?

Platform comparison

Market context

Shenzhen Bao’an International Airport’s daily high on 24 July will be driven by a hot, humid summer regime with frequent showers rather than by a cool seasonal transition. July in Shenzhen is typically rainy and hot, with average highs around 32°C, heavy rainfall, and more than 20 rainy days in the month, so the market is really a read on whether cloud, convection and rainfall suppress the afternoon peak or whether the city still prints a classic southern China heat maximum.[1][4][7]

The current 0% implied probability on **YES** is best treated as a pricing artefact unless the contract range is set unusually high, because Shenzhen’s July climatology already clusters near the low 30s and the resolution source is a single airport station rather than a citywide average.[1][5] For a programmatic approach, a bot would normally poll the Wunderground history page for the Bao’an airport station, map the day’s observed high into the contract’s Celsius bands, and compare that against weather model updates and live radar to judge whether the terminal high has likely been capped before the settlement window closes.

Traders should watch the afternoon convection forecast, lightning or rain bands around the Pearl River Delta, and any short-term changes in cloud cover or wind that can limit surface heating. The practical catalyst set is small: local forecast updates, radar nowcasting, and any operational disruptions at the airport that could affect the microclimate measured at the station, with the key dependency being the single official daily maximum recorded there rather than broader Shenzhen conditions.[2][7]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Shenzhen on July 24? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Bot UK, which mirrors the Polymarket order book at 0% fees.

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

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 Bot UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 Bot UK 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.