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: Jul 5, 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 5 Jul '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.
This market will resolve to the temperature range that contains the highest temperature recorded at the Malpensa Intl Airport Station in degrees Celsius on 5 Jul '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.
Prediction market odds represent a decentralized consensus built by traders with real financial stakes, whereas traditional analyst forecasts rely on meteorological models and expert judgment. This market aggregates dispersed information from participants who profit by accurately predicting the highest temperature on July 5, creating incentives for precision. While weather agencies publish deterministic forecasts, prediction markets reveal probabilistic beliefs and uncertainty ranges. Comparing the two can highlight where professional meteorologists and market participants diverge, offering insight into confidence levels and tail-risk expectations around extreme temperatures.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time odds for each temperature outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing different temperature brackets trade continuously, with the price of each outcome reflecting its implied probability. As traders buy shares they believe are undervalued or sell those they see as overpriced, the market price adjusts dynamically. This mechanism ensures that the odds you see always represent the latest consensus among active participants, updated instantly as new information or trades flow in.
This market resolves around Jul 5, 2026, once the highest temperature recorded in Milan on July 5 is verifiable from credible public sources. The outcome is determined by comparing all temperature readings from that day and identifying the peak value. Resolution occurs after the event concludes and official data becomes available, ensuring accuracy and preventing disputes. Traders holding shares in the correct temperature bracket receive their payout once the result is confirmed and the market settles.
Major weather pattern shifts, updated seasonal forecasts, and real-time atmospheric data releases can significantly move this market. Heat waves, cold fronts, or unexpected pressure systems affecting Northern Italy will trigger repricing as traders adjust their positions. Climate indices, jet stream movements, and even solar activity anomalies may influence longer-term expectations. Breaking news about regional weather events, updated model runs from meteorological agencies, and historical temperature comparisons for July 5 will all drive trading activity. As the event date approaches, intraday forecasts and live weather updates become increasingly influential.