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 will fall into one of several defined ranges, with settlement determined by Wunderground's historical weather data for that specific station. The market currently shows 0% probability across all temperature brackets, suggesting either minimal trading activity or a technical lag in crowd pricing. Polymarket's conditional token architecture means traders are purchasing USDC-denominated positions on Polygon that resolve to either 1 or 0 depending on which temperature band actually occurs, with the settlement window closing at 12:00 UTC on 1 June.

Shenzhen's June climate is remarkably consistent year-on-year. Historical data from Bao'an station shows June highs typically range between 31–34°C, with extreme readings rarely exceeding 36°C or falling below 29°C. The 0% crowd probability across all brackets is anomalous given this predictability and likely reflects low liquidity rather than genuine uncertainty about whether *some* temperature will be recorded. Comparable weather markets on Polymarket for major Asian cities during monsoon-adjacent months have shown tighter clustering around historical norms once trading volume increases.

Traders should monitor the China Meteorological Administration's seasonal forecasts released in May, which occasionally flag El Niño or La Niña effects that could shift June temperatures 1–2°C above or below the thirty-year mean. Bao'an's position near the Pearl River Delta coast also means tropical systems developing in late May could influence conditions, though June typhoon season typically begins later. The settlement mechanism's reliance on a single airport station eliminates urban heat island variance, making this contract more stable than city-wide temperature markets.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket 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.

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 UK 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.