TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 8, 8:00 AM EST
Polymarket
This market will resolve to the temperature range that contains the highest temperature recorded at the Malpensa Intl Airport Station in degrees Celsius on 8 Jun '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Malpensa Intl Airport Station, available here: https://www.wunderground.com/history/daily/it/milan/LIMC. To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C. This market can not resolve until the first data point for the following date has been published on the resolution source. The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, the highest temperature in Milan on June 8 is priced through outcome shares that traders buy and sell, with each share representing a specific temperature range or threshold. The current market price reflects the aggregate belief of traders about which outcome will occur. As new information emerges—seasonal forecasts, historical climate data, or real-time weather patterns—traders adjust their positions, moving prices up or down to reflect shifting probabilities through June 8.
The market resolves on Jun 8, 2026, after the highest temperature in Milan on June 8, 2026 has been recorded. The outcome is determined by official temperature data from a designated weather source or meteorological authority for Milan on that specific date. Resolution occurs once the final daily high temperature is confirmed and matched against the predefined outcome categories in the market contract.
Key signals include updated seasonal weather forecasts from major meteorological centers, historical temperature patterns for Milan in early June, and real-time atmospheric conditions as the date approaches. Major weather systems—heat waves, cold fronts, or unusual pressure patterns over southern Europe—can shift trader expectations significantly. Climate anomalies, volcanic activity affecting solar radiation, or unexpected jet-stream behavior may also influence market prices. Traders monitor long-range models and short-range forecasts to adjust positions ahead of June 8.