Chongqing, a major city in southwestern China, experiences variable temperatures during spring. The market predicts whether the city's highest temperature on April 20 will be exactly 18°C. Current YES odds at 4% indicate low trader confidence in this specific outcome. Chongqing's April temperatures typically range between 15°C and 22°C, making 18°C meteorologically plausible but a narrow target. The low 4% odds suggest traders expect the daily high to fall either below or above 18°C. This recurring daily market resolves using official meteorological data from Chongqing's weather service. With $1,715 in 24-hour volume and $3,168 in liquidity, the market offers adequate depth for position entry and exit. The market expires at midnight UTC on April 20, with resolution based on verified weather records for that calendar day.