Highest temperature in Qingdao on July 9?

Platform comparison

Market context

On 9 July 2026, the peak temperature recorded at Qingdao Jiaodong International Airport will determine the outcome of this weather prediction market, with the crowd currently assigning zero probability to the temperature exceeding the specified threshold. Polymarket prices this contract today at 0% for the "YES" outcome, reflecting a market consensus that the high will fall within the lower range. The trade settles on-chain via USDC on the Polygon network, utilising conditional tokens and the UMA Optimistic Oracle, which opens a two-hour dispute window before executing the smart-contract payout in seconds.

Historical averages for Qingdao in July show daytime maximums typically reaching 27°C, with peaks often climbing to 31°C under high heat and humidity, while overnight lows hover around 22°C. Despite these long-term figures suggesting a warm month, the current 0% probability implies traders believe specific local conditions or a cooling anomaly will keep the 9 July high below the threshold. This divergence from the 31°C peak seen in comparable July days frames the current pricing as a bet on an unusually cool day rather than a standard summer maximum.

Traders should monitor real-time weather updates from Wunderground for the station, as well as any sudden shifts in regional cloud cover or sea breeze intensity that could suppress temperatures. Recent forecasts from AccuWeather indicate daily highs in Qingdao for July 2026 ranging between 79°F and 91°F, but a deviation towards the lower end of this band would validate the current market stance. The primary catalyst is the official temperature reading at 12:00 UTC on the settlement date, which will be the sole dependency for the oracle resolution.

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Methodology

This page reviews Highest temperature in Qingdao on July 9? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

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

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.