Highest temperature in Qingdao on June 29?

Platform comparison

Market context

The real-world event hinges on the peak temperature recorded at Qingdao Jiaodong International Airport on 29 June 2026, with the market currently assigning a mere 1% chance that the high reaches 30°C or above. This starkly diverges from trader consensus on comparable dates, where Polymarket lines for 25 June show a 75% probability for the same 30°C+ threshold, and 27 June data even suggests a 100% implied probability for 32°C or higher[1][3]. Historical averages for mid-June in Qingdao typically hover between 24–28°C, yet occasional excursions above 30°C are not outliers, making the current 1% odds appear unusually conservative against the backdrop of late-June warming trends[2][7].

Traders should monitor the daily weather forecast updates from PredictWind and Wunderground, as these platforms provide the definitive resolution data for this contract[4][5]. Recent climate patterns indicate that while average highs sit around 26°C, humidity levels of 76% and rainfall of 120.1mm in June can create volatile thermal conditions that might push temperatures unexpectedly higher[8]. The key dependency is the absence of a significant cloud cover or rain event on the morning of 29 June, which would suppress peak heating; any sudden shift in the regional forecast from the China Meteorological Administration could act as the catalyst for a rapid repricing of these odds, moving them closer to the 75–100% range seen on adjacent dates.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Qingdao on June 29? 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 Best Prediction Markets, which mirrors the Polymarket order book at 0% fees.

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

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.