Highest temperature in Chongqing on July 17?

Platform comparison

Market context

Chongqing faces another peak of summer heat on 17 July 2026, with the market asking whether the highest temperature at Jiangbei International Airport will hit a specific threshold. Today, Polymarket prices this contract at 0% YES, implying traders see no chance the temperature will reach the target range. The bet settles in USDC on Polygon using conditional tokens, with resolution sourced from Wunderground’s daily record for ZUCK.

Historically, mid-July in Chongqing routinely produces extreme heat, often exceeding 40°C, as the city sits in a basin that traps warm air. In July 2022, Chongqing recorded 44.1°C, and similar highs appeared in 2013 and 2017, making a 0% probability for a high threshold seem mispriced unless the target is set well above 45°C. The current pricing may reflect a specific, unusually high bar rather than a lack of summer heat.

Traders should monitor the China Meteorological Administration’s daily forecast for Chongqing, which typically updates by 6 PM local time, and watch for any sudden shifts in wind patterns or cloud cover that could suppress temperatures. A recent report from the South China Morning Post noted that regional heatwaves in July 2025 were driven by persistent high-pressure systems, a pattern likely to recur if similar atmospheric conditions develop this week.

Methodology

We track Highest temperature in Chongqing on July 17? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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

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 PolyGram. 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.

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.