Highest temperature in Shanghai on June 8?

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Market context

Shanghai's highest temperature on 8 June 2026 will be measured at Pudong International Airport Station and resolved via Wunderground historical data. The market currently prices all temperature ranges at 0% implied probability across the board, reflecting settlement uncertainty rather than a genuine view that no temperature will be recorded. This pricing anomaly—common in weather contracts with distant settlement dates—suggests minimal liquidity and positioning ahead of the June window.

Shanghai experiences early summer conditions in early June, with average highs around 28–30°C and occasional heat spikes into the mid-30s during warm years. Historical June records at Pudong show the station has recorded temperatures exceeding 35°C on roughly one in three years during this month. The 0% crowd probability across all ranges indicates traders are either absent from this contract or awaiting clearer atmospheric forecasting windows, which typically narrow to reliable accuracy only 10–14 days before settlement.

Traders monitoring this contract should track China Meteorological Administration seasonal outlooks and any El Niño or La Niña transitions that influence East Asian summer patterns. The Shanghai rainy season (Meiyu front) typically peaks in May–June, which can suppress peak daily temperatures through cloud cover and precipitation, though early-June heat waves occasionally break through before the front fully establishes. Real-time positioning will likely emerge in late May 2026 once numerical weather models converge on June 8 conditions with usable confidence intervals.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.

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 Kalshi 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 does it cost to trade on Kalshi UK?

Zero. Kalshi 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, Kalshi 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.