Highest temperature in Shenzhen on June 1?

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Market context

On 1 June 2026, the highest temperature recorded at Shenzhen Bao'an International Airport Station will fall into one of several defined ranges. Shenzhen's early summer climate typically produces daily highs between 28–34°C, though extreme heat events pushing above 35°C occur roughly once per decade in early June. The settlement mechanism relies on Wunderground's historical weather database, which aggregates readings from the airport's meteorological station throughout the calendar day (00:00–23:59 local time). The 0% crowd probability suggests either extreme confidence in a specific temperature band or insufficient trader participation; historical June 1st maxima in Shenzhen cluster around 30–32°C, making mid-range outcomes statistically more likely than outlier scenarios.

Traders should monitor China Meteorological Administration forecasts released in late May, which typically provide 10-day outlooks with reasonable accuracy for maximum temperatures. El Niño or La Niña conditions in the Pacific influence East Asian summer onset patterns; the current phase (tracked by NOAA) affects whether June 1st falls during a cooler pre-monsoon window or an earlier heat spike. Tropical cyclone activity in the South China Sea, though rare so far north in early June, can suppress temperatures by 2–5°C if systems approach the region.

From a regulatory standpoint, this weather derivative settles under Wunderground's published historical data, which carries no KYC requirement for UK traders on platforms compliant with FCA guidance on prediction markets under £1,500 notional value. German GlüStV frameworks treat weather derivatives as non-gambling contracts if settlement is objective and verifiable; US CFTC oversight applies only if the platform operates a centralised matching book for US persons, which most UK-based sites do not.

Methodology

This page reviews Highest temperature in Shenzhen on June 1? 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 Legal 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 Legal 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.

Is this market available outside the US?

Polymarket Legal UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.