Highest temperature in Chengdu on August 2?

Platform comparison

Market context

The day’s **0% YES** pricing makes the favourite side look like a *not-higher-than-usual* outcome for Chengdu Shuangliu Airport’s afternoon high, with the market effectively discounting any meaningful heat spike above the expected August range. Chengdu in August is typically hot, humid and often rainy, but the usual benchmark is still only around **30–31°C** for daytime highs, with many guides clustering around **29–30°C** and some seasonality data showing early August as slightly warmer before easing later in the month.[3][4][6][8][14]

For handicapper context, that leaves the consensus firmly around the middle temperature bands rather than the top end of the distribution. Historical August summaries show typical highs near **30°C**, but occasional extremes can reach the mid-30s, so the value question is whether a short-lived sunny spell can push the airport station into a higher bracket than the crowd expects.[2][9][11] In other words, the underdog is not a cold day, but an above-normal heat print that still fits Chengdu’s muggy summer profile.[3][5][12]

The main catalysts are weather-specific rather than event-driven: afternoon thunderstorm timing, cloud cover, and whether rain arrives early enough to cap the day’s maximum before the settlement window closes at **12:00 UTC**. Chengdu’s August pattern is frequently described as wet and humid, with rain and thunderstorm risk concentrated in summer, which can suppress the peak even when the air mass is warm.[3][4][5][11][16] Traders should watch the same-day forecast, radar evolution and airport observations, because small shifts in shower timing can decide whether the final reading sits in the consensus band or slips into a contrarian higher-temperature range.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win 2026, 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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Who Will Win 2026. 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.

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 Who Will Win 2026 trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.