Highest temperature in Chengdu on August 2?

Platform comparison

Market context

Chengdu’s airport heat on 2 August will be driven by the usual late-summer profile: hot, humid conditions are normal, and the city’s average August daily high sits around 29.8°C to 31°C, with typical highs near 87°F to 90°F. Historical August data also shows that the month’s hottest period often clusters around the first few days, with 1–2 August among the warmest on average, so a mid-30s Celsius outcome would be well within the seasonal envelope rather than an extreme outlier.[1][3][16]

That context helps explain why the market’s crowd-implied 0% YES looks disconnected from climate norms rather than from a one-off weather shock. Chengdu has recorded much hotter August conditions in past heat events, including highs around 39°C to 41.6°C in historical datasets, which means the resolution threshold is not unusually high for the region even if it is not the modal outcome on an average day.[4][6] In other words, the relevant question is not whether Chengdu can get hot, but whether the day’s maximum at Shuangliu Airport clears the specific range attached to YES.

The catalyst to watch is the official day-ahead and same-day forecast for Chengdu, then the observed daytime heating at the airport station itself, because the market settles on the highest temperature recorded there rather than a citywide average. For traders, the key dependency is whether cloud cover, monsoon moisture, or rain suppresses the afternoon peak; if the local forecast firms up around low-to-mid 30s Celsius, the odds would normally move before the final observation window closes. Current framing is therefore being pulled more by weather-model expectations and station-level observation risk than by any political or calendar-style catalyst.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Chengdu on August 2? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

How accurate are political prediction markets?

Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.

What resolution source is used for elections?

Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.

Can prediction markets influence election outcomes?

Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.

How fast do political markets react to news?

High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.

Why do Polymarket and Kalshi differ on elections?

Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.