Highest temperature in Shenzhen on May 31?

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Market context

On 31 May 2026, the highest temperature recorded at Shenzhen Bao'an International Airport will fall into one of several defined ranges. This measurement, sourced from Wunderground's historical weather database for that specific station, will determine which outcome resolves YES. The settlement window closes at 12:00 UTC on that date, after which no further temperature readings will be incorporated.

Shenzhen's late-May climate typically sits in the warm-to-hot band; historical data from the airport station shows May highs commonly ranging between 28–32°C, with occasional excursions above 33°C during heat waves. The 0% crowd probability currently assigned suggests either extreme confidence in a specific temperature band or insufficient liquidity to establish meaningful odds across all ranges. Comparable late-spring weather markets in southern China have resolved across the full spectrum of pre-defined brackets, indicating genuine uncertainty rather than consensus forecasting. The absence of trading activity may simply reflect the market's distance from settlement and limited participant awareness.

Traders monitoring this outcome should track seasonal weather patterns emerging in late April and early May 2026, particularly any anomalous heat systems affecting the Pearl River Delta region. The China Meteorological Administration publishes monthly outlooks and extended forecasts that typically become more precise 10–14 days before the settlement date. Tropical systems or unusual pressure patterns in the South China Sea can materially shift temperatures at the airport station. Real-time conditions will become observable via Wunderground itself in the final week, allowing late-stage position adjustments based on actual atmospheric conditions rather than historical averages.

Methodology

This page reviews Highest temperature in Shenzhen on May 31? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket KYC UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket KYC UK, which mirrors the Polymarket order book at 0% fees. 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 it cost to trade on Polymarket KYC UK?

Zero. Polymarket KYC UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket KYC UK triggers a quick verification flow that finishes in minutes.