Highest temperature in Shenzhen on June 11?

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Active sub-markets

Market context

Shenzhen will experience peak summer heat on 11 June 2026, with the highest temperature recorded at Bao'an International Airport Station determining the settlement outcome. June sits within Shenzhen's pre-monsoon season, when daily highs typically range between 28–34 °C, though extreme heat events pushing above 35 °C occur roughly once every three to five years during early summer. Historical data from Wunderground shows that mid-June temperatures in Shenzhen have occasionally spiked above 36 °C when subtropical high-pressure systems stall over southern China, though such occurrences remain statistically uncommon for this specific date window.

The current 0% crowd probability reflects the market's nascent state rather than meteorological certainty. Comparable June temperature predictions for Shenzhen have historically clustered in the 30–34 °C band, with only sporadic outliers exceeding 35 °C. Traders should monitor China Meteorological Administration forecasts released in early June 2026, which typically provide 10-day outlooks with reasonable accuracy for maximum temperatures. El Niño or La Niña conditions active in early 2026 will influence regional atmospheric patterns; any sustained Pacific warm anomalies could shift probabilities toward higher temperature brackets.

Under German GlüStV and UK Gambling Commission frameworks, weather derivatives and prediction markets occupy distinct regulatory zones depending on settlement methodology and participant location. US CFTC oversight applies to US-domiciled traders; most European platforms offer KYC-exempt access up to €1,200 (approximately £1,000) per transaction, allowing casual participation without full identity verification. This market's accessibility threshold means traders can establish positions without formal account documentation, provided individual stakes remain modest.

Methodology

We track Highest temperature in Shenzhen on June 11? 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

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

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.

What does it cost to trade on Polymarket Legal UK?

Zero. Polymarket Legal 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 Legal UK triggers a quick verification flow that finishes in minutes.