Highest temperature in Shenzhen on August 2?

Platform comparison

Market context

Shenzhen’s heat has been held back by a wet, cloudier monsoon pattern over the past couple of days, and that is the main reason the market is still priced at a **0% YES** crowd view for an outcome above the usual late-summer range. With the settlement window ending at midday UTC, the day’s peak will be set by the airport station’s *highest observed reading*, not by the forecast headline or the citywide afternoon feel. [2][13]

August is normally Shenzhen’s hottest stretch, with typical highs around **32°C** and frequent rain, so a result in the high 20s or low 30s is the baseline frame rather than an outlier. Historical August summaries for Shenzhen show average highs near **32°C** and warm overnight lows, while comparable daily histories include highs from about **31°C to 36°C** depending on cloud cover and rain timing. That makes the market’s implied zero probability less a claim about cool weather and more a reflection that traders expect the station’s maximum to stay within the standard seasonal band. [6][9][11][12]

The main catalysts to watch are late-morning convective showers, persistent cloud cover, and any change in wind or moisture that either caps daytime heating or allows a brief break in the clouds before the airport records its peak. The resolution source is the Shenzhen Bao’an International Airport Station on Wunderground, and the final number can still move if the warmest reading arrives later in the local day than traders expect. [2][13]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Shenzhen on August 2? 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 Prediction Today, 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 Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

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 Prediction Today 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.