Highest temperature in Seoul on July 1?

Platform comparison

Market context

The real-world event driving this market is the peak daily temperature recorded at Incheon International Airport on 1 July 2026, a date that falls squarely within South Korea’s hot, humid monsoon season. Historical data and current Polymarket sentiment suggest 30°C is the frontrunner outcome, with a 58% implied probability, while the current crowd-implied probability of 0% for the YES outcome appears inconsistent with regional climatic norms where July highs routinely approach 30°C[1][3]. This mirrors how Eurovision splits voting power between a 50% jury and 50% televote, where public perception can diverge sharply from expert calibration; similarly, the 0% figure may reflect a public misreading of the weather rather than a genuine meteorological impossibility[3].

Traders should monitor the Korea Meteorological Administration’s short-range forecasts for cloud cover and precipitation probability, as heavy rain during the Jangma period can temporarily suppress peak temperatures[4]. Recent reports confirm July is South Korea’s wettest month, with humidity levels exceeding 80%, which can make temperatures feel like 34°C even if the recorded high is lower[3]. The resolution depends entirely on Wunderground’s official daily record for Incheon, so any discrepancy between forecast models and the final logged data will determine the outcome[1]. With the settlement window ending 12:00 UTC on 1 July 2026, the market remains sensitive to real-time atmospheric shifts that could push the temperature above or below the 30°C threshold[1][3].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Entertainment-specific comparison page for Highest temperature in Seoul on July 1?. 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.

How accurate are award predictions?

Variable. Industry-predictable awards (Oscar Best Picture) have high market accuracy (Brier ~0.15). Reality-TV outcomes with small markets carry more noise. Eurovision is notorious for market upsets due to bloc voting.

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.