TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 28, 8:00 AM EST
Polymarket
This market tracks whether Milan's highest temperature will reach exactly 33°C on May 28, 2026. On Polymarket, the leading outcome currently stands at 100.0%, with the alternative outcome of 34°C at 0.1%. Resolution will be determined by historical weather data from Weather Underground, specifically the highest temperature recorded at Malpensa International Airport Station. Watch for weather forecasts and atmospheric conditions in the days leading up to May 28, 2026, as they will provide early signals about whether temperatures will align with the predicted range.
Prediction market odds reflect aggregated trader expectations and often diverge from traditional weather analyst forecasts. While meteorologists issue point estimates and confidence intervals based on atmospheric models, prediction markets price in broader uncertainty and real-time information flow. Comparing Polymarket odds to published forecasts from weather services or climate analysts can reveal whether traders are pricing in more or less extreme outcomes than official models suggest. This gap often indicates where market participants see model risk or emerging data shifts.
Several factors can shift market odds before resolution. Updated seasonal forecasts and long-range weather models may indicate warmer or cooler patterns for late May in Milan. Major weather systems, heat waves, or cold fronts affecting Europe could alter expectations. Climate anomalies, ocean temperature patterns, and atmospheric pressure systems also influence outcomes. As May 28 approaches, short-term forecasts become more reliable, typically triggering sharper price moves. Real-time temperature trends in the week leading up to the event often drive final market repricing.