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 14, 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 14 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.
This market will resolve to the temperature range that contains the highest temperature recorded at the Malpensa Intl Airport Station in degrees Celsius on 14 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.
Prediction market odds often diverge from traditional meteorological forecasts because they incorporate real-time trader sentiment and broader uncertainty. While weather analysts rely on numerical models and historical data to estimate temperature ranges, this market aggregates the beliefs of many independent traders making financial commitments. Comparing the implied probability from current odds to published forecasts from national weather services can reveal where the crowd sees risk differently. Both sources are valuable: analysts provide technical depth, while prediction markets capture dynamic, incentivized expectations as new information emerges.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome—such as whether the high will be 30°C—has a price between 0 and 100 cents, reflecting the probability the crowd assigns to it. When you buy shares, you're betting that outcome will occur; when you sell, you're betting against it. The more traders believe an outcome is likely, the higher its price climbs. This continuous price mechanism ensures the market stays liquid and responsive to new weather data or model updates.
This market resolves around Jun 14, 2026, once June 14 has passed and the day's highest temperature in Milan can be verified. The outcome is confirmed against credible public reporting from established meteorological sources. Traders holding shares in the correct outcome receive their winnings, while incorrect positions expire worthless. The resolution process is automated once the temperature data is finalized, ensuring all participants see the same definitive result at the same time.
Several factors can shift odds in this market before Jun 14, 2026. Updated weather models or seasonal forecasts from meteorological agencies often trigger repricing as traders adjust their expectations. Major weather systems—heat waves, cold fronts, or unusual atmospheric patterns—can cause sharp moves. Real-time temperature readings in the days leading up to June 14 will narrow uncertainty and tighten the range. Breaking news about climate anomalies or local Milan conditions may also influence trader positioning. Each new data point gives the market a chance to recalibrate its probability estimate.