Pronóstico: Highest temperature in Shenzhen on July 24?

Platform comparison

Market context

Polymarket is pricing this Shenzhen heat contract at **0% YES**, so the market is effectively assigning no probability to the airport station printing a maximum temperature in the relevant range today. On Polymarket, that view is expressed through **USDC** on **Polygon**, with the outcome settling via the contract’s **conditional tokens** against the Wunderground reading for Shenzhen Bao’an International Airport Station.

The main historical frame is that Shenzhen in July is typically hot, but also very wet, with average daytime highs around **32°C** and frequent rain through the month. That matters because the market is not asking whether it will be warm in general; it hinges on the single highest temperature recorded at the station during the day, which can be held down by cloud cover, coastal moisture and storm activity even when the broader seasonal norm is hot.[1][2]

For traders, the key catalyst is the weather pattern over southern Guangdong rather than any announcement calendar. The practical watchlist is the airport-station observation path on Wunderground, plus the local July rain regime, because Shenzhen’s summer statistics point to persistent rainfall and humidity that can cap intraday extremes.[1][2] In a prediction-market context, the price can move quickly if morning conditions are clear and dry, but it will usually stay anchored if the day already looks unsettled by the time the observation window opens.

Sources: 1 · 2

Methodology

This page reviews Pronóstico: 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 Qué Es, 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

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'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.