TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 28, 8:00 AM EST
Polymarket
This market tracks whether the highest temperature recorded in Guangzhou will reach specific thresholds on May 28, 2026. On Polymarket, the probability that the high will be 36°C stands at 10.0%, while the probability of a 38°C high is also 10.0%. Resolution will be determined by historical temperature data from Wunderground, using readings from Guangzhou Baiyun International Airport Station. Watch the actual temperature readings as May 28, 2026 approaches to see which outcome range the day's high temperature falls into.
Prediction market odds reflect aggregated trader expectations and often diverge from traditional meteorological forecasts. While weather analysts rely on atmospheric models and historical data, Polymarket participants price in real-time information, recent climate patterns, and collective market intelligence. Comparing market-implied probabilities to official forecasts from meteorological agencies or weather services can reveal whether traders expect conditions warmer or cooler than baseline predictions. This comparison helps identify whether the market is pricing in tail risks or consensus scenarios for Guangzhou's May 28 high temperature.
The market resolves on May 28, 2026, after the highest temperature in Guangzhou on May 28 has been recorded and verified. Resolution is determined by the actual observed maximum temperature on that date, measured according to standard meteorological protocols. Once the official temperature reading is confirmed, the market settles based on which outcome bracket or threshold the recorded value falls into, determining which contract holders receive their payouts.
Several factors could shift market odds before May 28, 2026. Seasonal weather pattern updates, tropical storm formation or dissipation, and atmospheric pressure systems affecting southern China will influence trader expectations. Official meteorological forecasts released closer to May 28 carry significant weight. Urban heat island effects, pollution levels, and recent regional temperature anomalies also inform pricing. Additionally, historical May temperature records for Guangzhou and broader climate trend data may prompt repricing as traders refine their models and incorporate the latest data.