Highest temperature in Shanghai on July 5?

Platform comparison

Market context

The real-world event is the measurement of the peak temperature at Shanghai Pudong International Airport on 5 July 2026, a date historically synonymous with intense summer heat in the region. Current crowd-implied probability of 0% for any specific outcome suggests traders believe the market parameters are misaligned with meteorological reality, as July is the hottest month for Shanghai.

Historical data confirms that daily highs at this station regularly exceed 30°C, often reaching 35°C during sunny spells, with average July highs sitting near 37°C (88°F) [1][4]. WeatherSpark notes that temperatures rarely fall below 24°C (75°F) in July, making a 0% probability for standard heat ranges statistically anomalous given the climate baseline [1]. Comparable cases from previous years show consistent high-temperature clusters, framing the current probability as a likely pricing error rather than a genuine forecast of cold conditions.

Traders should monitor immediate weather alerts for severe thunderstorms or clusters of rain that could temporarily suppress peak temperatures, as the National Weather Service has flagged such clusters for the area [2]. The primary catalyst is the Wunderground resolution source itself; any delay in data availability or sensor calibration issues at the Pudong station could skew the final settlement [2]. While no political debates or campaign disclosures directly influence this weather event, the market leans heavily on the reliability of the Wunderground dataset as the definitive settlement authority, with recent forecast models indicating warm conditions peaking at 31°C [7].

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 5? 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

Which platform has the deepest political liquidity?

Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.

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.

Are political prediction markets legal in my country?

It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.

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.