The prediction market asks whether Chongqing's daily high temperature will be exactly 20°C on May 17, 2026. Currently priced at 0% YES odds, the market signals traders believe an exact 20°C high is unlikely. This reflects both the precision required—temperature varies continuously, making an exact match improbable—and the specific meteorological forecast for that day. Chongqing, in China's Sichuan Province, experiences subtropical monsoon climate with variable spring weather. By mid-May, daytime highs typically range from 22–28°C. For May 17 specifically, the current consensus suggests the high will likely fall outside the 20°C mark, though historical weather patterns show it's not impossible. The 0% pricing suggests traders expect either cooler or warmer conditions, or that the precision bar for exact matching is simply too high to justify YES positions. Monitoring real-time forecasts and historical May data for Chongqing will clarify trader expectations.
Deep dive — what moves this market
Chongqing is China's largest direct-controlled municipality, located in the upper Yangtze River valley in Sichuan Province. Its geography—surrounded by mountains—creates a unique microclimate. The city experiences a humid subtropical monsoon climate characterized by warm, wet summers and mild winters. Spring (March–May) is a transitional season with increasing temperatures as the region moves toward summer. In May specifically, Chongqing's average daily high temperatures typically range from 22°C to 28°C, though extremes outside this band occur. A high of exactly 20°C is below the seasonal average, suggesting either cooler-than-normal conditions or a day with cloud cover and rain—both possible in May before the full onset of summer heat. The 0% YES odds reflects the mathematical improbability of hitting exactly 20°C (a single point on a continuous scale) combined with seasonal context suggesting warmer conditions are more likely. What could push the market toward YES? A strong cold front moving through central China in mid-May, unusual for the season, could suppress highs toward 18–22°C. A day of heavy rain and cloud cover would also limit solar heating. Conversely, clear skies and high-pressure systems typically drive highs toward 25–28°C, pushing NO in this market. What could push NO? Normal May seasonal patterns favor warmer than 20°C. Most forecast models for May 17 would likely indicate highs in the 24–26°C range unless a specific weather system disrupts expectations. The current 0% pricing reflects trader conviction that seasonal momentum and recent weather patterns strongly favor temperatures above 20°C. The market's high liquidity ($29K) relative to modest 24h volume ($566) suggests this is a stable, recurring daily weather market where pricing reflects genuine meteorological consensus rather than speculative volatility. Historical May data for Chongqing would show how often the daily high falls exactly at 20°C—likely a rare occurrence, justifying the market's extreme skew.
What traders watch for
May 17 official Chongqing daily high temperature reading from China Meteorological Administration
Real-time forecast updates May 15–17 tracking high-pressure system or frontal activity near Chongqing
Historical May temperature distribution: how often does Chongqing see highs of 18–22°C in spring
Cloud cover and precipitation estimates for May 17; rain suppresses solar heating below seasonal norms
How does this market resolve?
Resolves YES if Chongqing's official meteorological daily high temperature equals exactly 20°C on May 17, 2026. Market closes at 00:00 UTC May 18.
Prediction markets aggregate trader expectations into real-time probability estimates. On Polymarket Trade, every market question resolves YES or NO based on a specific event outcome; traders buy shares of the side they believe will resolve positively. Prices range 0¢ (certain no) to 100¢ (certain yes) and naturally reflect the crowd-implied probability of YES. This page summarizes the market state for readers arriving from search; for live trading (place orders, see order book depth, execute a trade) open the full interactive page linked above.
