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: Jun 3, 8:00 AM EST
Polymarket
This market will resolve to the temperature range that contains the highest temperature recorded at the Adolfo Suárez Madrid-Barajas Airport Station in degrees Celsius on 3 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 Adolfo Suárez Madrid-Barajas Airport Station, available here: https://www.wunderground.com/history/daily/es/madrid/LEMD. 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 reflect real-money consensus from traders on Polymarket, while meteorological forecasts from agencies like AEMET (Spain's national weather service) provide scientific models based on atmospheric data. Markets often incorporate analyst predictions but may diverge based on trader sentiment and historical temperature patterns. Comparing the two reveals whether markets are pricing in more optimistic or pessimistic outcomes than official weather models suggest for Madrid's June 3 high temperature.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, the highest temperature in Madrid on June 3 is priced through outcome shares that traders buy and sell based on their belief in each temperature range. Each share represents a claim on that outcome, with prices reflecting the collective probability assigned by the market. As traders adjust positions ahead of Jun 3, 2026, prices shift to reflect new information, seasonal patterns, and expected weather conditions for early June in Madrid.
Weather pattern shifts, seasonal forecasts, and atmospheric pressure systems over the Iberian Peninsula can significantly move odds. Heat waves or cold fronts predicted to arrive in early June will influence trader positioning. Updated meteorological models from AEMET and European weather services may trigger repricing as the event date nears. Historical temperature records for Madrid in early June and real-time climate data also serve as reference points that traders monitor to adjust their positions.