Highest temperature in Shanghai on July 24?

Platform comparison

Market context

Shanghai is in a midsummer heat regime, with short-range forecasts pointing to another very warm day at Pudong and a real chance that the airport station will post a high in the mid-30s Celsius before any sea-breeze or shower relief arrives. Temperatures.com shows a 14-day outlook with a 95°F high for Shanghai and notes the warmest day around 35°C, while Weather.com’s Pudong forecast also sits near 95°F with showers and thunderstorms in the mix[1][5].

That backdrop makes the current **0% YES** crowd view look anchored to the assumption that the day’s maximum will stay below the market’s target band, rather than to an expectation of a genuinely cool July reading. July norms for Shanghai are already hot and humid: TravelChinaGuide puts average July highs around 32°C, with frequent rainfall, and China Highlights similarly describes the month as hot, muggy and prone to sudden showers[6][7]. In other words, the historical baseline favours heat, but not always a clean, unbroken spike to the top of the scale.

The main catalyst to watch is the late-morning to afternoon forecast evolution for Pudong, especially whether cloud cover, rainfall, or thunderstorms cap the day’s peak before airport observations are logged for the settlement source. AccuWeather’s current hourly feed shows 89°F with intermittent clouds and no precipitation at that moment, which supports a warm but not yet extreme setup[4]. If short-term models keep nudging the daytime high upwards, the market could reprice quickly; if showers arrive early, the “highest temperature” may remain trapped in the lower end of the published range[4][5].

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 Shanghai on July 24? 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.

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.

Which political events have the biggest volume?

US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.