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: Jun 12, 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 12 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.
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 12 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.
On Polymarket, the highest temperature in Madrid on June 12 is priced through an automated market maker that converts trader positions into probability estimates for each temperature outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell shares corresponding to specific temperature ranges, with prices reflecting the collective belief about which outcome is most likely. The platform's continuous pricing mechanism allows real-time discovery of market odds as new information emerges and trading volume fluctuates leading up to the June 12 resolution date.
The market resolves on Jun 12, 2026, after the highest temperature in Madrid on June 12, 2026 has been recorded. Resolution is determined by official temperature data from recognized meteorological sources monitoring Madrid's weather on that specific date. The outcome is objective and verifiable, based on the actual peak temperature reached during the 24-hour period, ensuring all traders are betting on the same measurable event.
Major weather pattern shifts, seasonal anomalies, and climate forecasts from meteorological agencies can significantly influence trading odds. Heat waves, atmospheric blocking patterns, or unusual jet stream behavior in early June could signal higher temperatures and shift market prices upward. Conversely, cooler-than-normal weather systems or increased cloud cover might lower expectations. Real-time weather updates, long-range forecasts, and historical temperature comparisons for early June will drive trader positioning and volatility in the weeks leading to resolution.