Highest temperature in Guangzhou on July 7?

Platform comparison

Market context

The real-world event driving this market is the peak temperature recorded at Guangzhou Baiyun International Airport on 7 July 2026, with the crowd currently assigning zero probability to a "YES" outcome for the implied temperature range. Historical precedents for July in Guangzhou show daily highs averaging around 33°C (91°F), rarely dipping below 30°C or exceeding 36°C, though extreme heat waves can push peaks to 39°C[2][8]. Recent precedent from a similar Lines.com market on 3 July 2026 treated a 34°C peak as a one-in-four chance, which resolved successfully, indicating that specific temperature bands remain viable despite low initial crowd confidence[1]. The current 0% probability likely reflects a narrow range definition rather than an impossibility of high heat, mirroring how Eurovision splits voting between jury and public to reveal hidden consensus[1].

Traders should monitor official heatwave announcements from the Guangdong Meteorological Bureau and the scheduled release of daily Wunderground data for the Baiyun station, as these dependencies directly determine settlement[5]. Recent news from Xinhua confirms Guangzhou experienced its longest summer since 1961, with July averaging 23.3°C, the highest since 1961, suggesting a cultural narrative of record-breaking warmth that could shift market sentiment[6]. The settlement window ending 12:00 UTC on 7 July 2026 means any afternoon thunderstorm, typical for July with 90% precipitation probability, could suppress the peak temperature below the range threshold[4]. Watching the gear icon temperature setting on Wunderground to ensure Celsius consistency is also critical, as Fahrenheit conversions often cause mispricing in cross-border markets[5]. The jury versus public split in prediction mechanics often reveals that early public 0% bets are corrected once expert jury data confirms historical heat trends[1].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Entertainment-specific comparison page for Highest temperature in Guangzhou on July 7?. Polymarket's live quote (Polygon order book) shows the award probability. For awards markets, Polymarket usually has the deepest liquidity; Betfair runs comparable markets for Oscars/Emmys; Manifold for Eurovision.

Resolution & payout

Entertainment markets settle on official award ceremony or show end. Polymarket uses UMA Optimistic Oracle with a source URL to the official award website. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

When do award markets resolve?

After the official announcement — e.g. Oscars ceremony end for Academy Awards markets, Eurovision final end for ESC markets. UMA Optimistic Oracle typically uses the official award website as the resolution source.

What was the top Oscar 2025 market?

Best Picture, with ~$2.8M volume on Polymarket. "Anora" started as an underdog at ~8% and closed at ~62% before the ceremony — the biggest single Oscar market swing since 2019.

How are reality-TV outcomes verified?

UMA Oracle uses the official show website or producer statement as the resolution source. Very narrowly defined markets (e.g. "Will X be voted off the island?") rely on the official show notes.

Are there politics-entertainment crossover markets?

Yes — e.g. "Will X be parodied on SNL?", "Who will host the next Oscars?". These have thinner liquidity but offer alpha for traders who read pop-culture and political worlds together.

Is entertainment trading worth the effort?

Niche, but lucrative for experts. Award markets have fewer informed traders than political markets; combining industry expertise (film, music) with active research often surfaces mispricings. Volume cap: large bets move the market.