Highest temperature in Chengdu on July 17?

Platform comparison

Market context

Chengdu’s peak summer heat arrives in July and August, with the city’s hottest recorded temperatures typically occurring during this window. The market tracks the highest temperature at Chengdu Shuangliu International Airport Station on 17 July 2026, resolved via Wunderground’s daily history for ZUUU. A 75% YES crowd-implied probability suggests traders expect the peak to fall within a specific upper range, likely reflecting historical norms for mid-July in the region.

Historically, Chengdu’s July highs often reach 33–36°C, with occasional spikes above 37°C during heatwaves. Comparable cases from 2023 and 2024 show mid-July peaks clustering around 34–35°C at the Shuangliu station, supporting the current bullish sentiment. Programmatically, a trader would back-test Wunderground’s ZUUU archive for 17 July across the past decade, then model a distribution to validate whether 75% aligns with the empirical frequency of the target range.

Key catalysts include the regional heat forecast from the China Meteorological Administration, which updates daily and can shift expectations if a high-pressure ridge strengthens. Traders should monitor the 5-day forecast for Sichuan Province, as sudden shifts in cloud cover or wind patterns can suppress peak temperatures. A recent report from China Daily notes that Sichuan has experienced above-average temperatures in early July 2026, reinforcing the likelihood of a high peak on 17 July [1]. Conditional orders triggered by forecast updates can automate position adjustments before the 12:00 UTC settlement.

Sources: 1

Methodology

This page reviews Highest temperature in Chengdu on July 17? 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 Polymarket Review UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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'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 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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Review UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.