Highest temperature in Shenzhen on June 7?

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Market context

Shenzhen will experience early summer conditions on 7 June 2026, with the market seeking to identify the highest temperature recorded at Bao'an International Airport that day. The 0% crowd probability suggests traders are either uncertain about the range distribution or awaiting clearer seasonal forecasting data as the date approaches.

Shenzhen's June temperatures typically range between 28–35°C, with historical data showing the airport station regularly records highs in the low-to-mid 30s during this period. The city sits in a subtropical climate zone where pre-monsoon conditions can drive temperatures toward 36–37°C on particularly warm days, though such extremes remain less frequent than moderate heat. Comparable June readings from recent years provide the baseline for assessing which temperature bands represent fair value against the current flat probability distribution.

Traders should monitor the Asian-Pacific monsoon onset timing, which influences Shenzhen's weather patterns significantly. The South China Sea monsoon typically strengthens through June, potentially moderating temperatures through increased cloud cover and precipitation. Real-time forecasting from the China Meteorological Administration, typically issued 10 days ahead, will sharpen probability estimates closer to settlement. Atmospheric pressure systems tracking across the region in late May will signal whether high-pressure ridging—which would favour hotter readings—or monsoon moisture will dominate conditions on the target date.

Methodology

We track Highest temperature in Shenzhen on June 7? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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?

On Who Will Win, 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?

Who Will Win 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.

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.

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.