Highest temperature in Shenzhen on June 9?

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Market context

Shenzhen will experience early summer conditions on 9 June 2026, with the market settling on whichever temperature band captures the highest reading recorded at Bao'an International Airport that day. The settlement window closes at midday UTC, meaning traders must account for the full diurnal cycle across the city's subtropical climate zone.

Historical June temperatures at Shenzhen Bao'an show consistent patterns. Over the past decade, daily highs in early June have ranged between 28°C and 34°C, with 32–33°C representing the modal outcome. The 0% crowd probability suggests either extreme underestimation of typical seasonal conditions or a technical issue with market calibration. Comparable June datasets from the China Meteorological Administration indicate that readings below 28°C occur in roughly 5–10% of cases, typically following unusual weather systems or measurement anomalies.

The primary catalyst affecting settlement will be any tropical cyclone activity or monsoon surge moving through the South China Sea in early June 2026. The Western Pacific typhoon season peaks from July onwards, but early-season systems occasionally develop. Traders should monitor the Joint Typhoon Warning Center forecasts and China's National Meteorological Centre advisories released in the week preceding 9 June. Secondary factors include urban heat island effects at the airport station and any instrumental calibration changes at Wunderground's data source. The settlement mechanism depends entirely on Wunderground's historical records, which have occasionally required correction for equipment malfunctions.

Methodology

This page tracks Highest temperature in Shenzhen on June 9? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Trump Prediction routes every trade through to Polymarket — at 0% fees.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

Where can I trade this market with the lowest fees?

On Trump Prediction, 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Trump Prediction triggers a quick verification flow that finishes in 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.