Highest temperature in Shenzhen on July 23?

Platform comparison

Market context

Shenzhen has started the day hot and very humid, with the airport reading 84°F and a real-feel near 96°F before sunrise, alongside a forecast that still allows scattered thunderstorms and a daytime high around 92°F. That leaves the key question for settlement as whether cloud cover and showers trim the airport’s top reading later on, or whether strong summer heating still pushes the day into the low 30s Celsius.[3][4]

For July in Shenzhen, the historical backdrop is firmly warm: average daytime highs are around 31.1°C, with some guides putting the month’s potential peak near 33.7°C and describing July as the city’s hottest and one of its wettest periods.[1][7] That makes a **YES** outcome in the lower temperature bands consistent with climatology, while the current **0%** crowd price suggests traders are leaning towards a more conservative interpretation of the airport station’s actual maximum rather than the broader city feel.[1][7]

The main catalysts today are the timing and placement of rain cells, plus whether the morning’s thunderstorms clear quickly enough for full solar heating to build before the market’s settlement window closes at 12:00 UTC. Traders should watch the Wunderground station history for Shenzhen Bao’an International Airport, the local forecast updates from major weather services, and any signs of persistent convection or heavy cloud that could cap the day’s high. Humidity is already elevated, which matters for apparent heat but does not itself determine the resolved maximum; the decisive factor is the highest observed airport temperature on the day.[3][6]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Highest temperature in Shenzhen on July 23? 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

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.

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.

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.