Highest temperature in Shenzhen on July 20?

Platform comparison

Market context

Shenzhen’s July climate is defined by intense heat and humidity, with the city experiencing its highest annual temperatures during this month. Historical data shows average daily highs reaching 32°C, while lows sit around 26°C, creating a consistently warm environment[2]. The 0% YES probability for any specific high-temperature range likely reflects the market’s uncertainty about which exact bracket will contain the peak, rather than a belief that extreme heat is impossible, given that July is statistically the hottest month in Shenzhen[1].

Traders should monitor real-time weather feeds from Wunderground, the designated resolution source, as typhoon activity or subtropical high pressure systems can cause sudden temperature spikes or drops[2]. With 17 rainy days typical in July and average precipitation reaching 340mm, a sudden typhoon could suppress temperatures below expected highs, while a clear, stagnant subtropical high could push them above 35°C[2]. No political debates, campaign disclosures, or scheduled declarations influence this weather market; the sole catalyst is the atmospheric conditions recorded at Shenzhen Bao’an International Airport Station on 20 July 2026.

Sources: 1 · 2

Methodology

This page tracks Highest temperature in Shenzhen on July 20? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.

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

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.

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.

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.