TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 9, 8:00 AM EST
Polymarket
This market will resolve to the temperature range that contains the lowest temperature recorded at the Paris-Le Bourget Airport Station in degrees Celsius on 9 Jul '26. The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day for the Paris-Le Bourget Airport Station, available here: https://www.wunderground.com/history/daily/fr/bonneuil-en-france/LFPB. 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 lowest temperature recorded at the Paris-Le Bourget Airport Station in degrees Celsius on 9 Jul '26. The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day for the Paris-Le Bourget Airport Station, available here: https://www.wunderground.com/history/daily/fr/bonneuil-en-france/LFPB. 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 weather forecasts because they incorporate real-time trader behavior and incentives. While meteorologists publish point estimates and confidence intervals based on atmospheric models, this market aggregates the financial commitments of participants betting on actual outcomes. Traders may price in tail risks or consensus shifts faster than official forecasts update. Comparing the implied probability here to major weather services' published predictions can reveal where the crowd sees upside or downside risk relative to expert models.
This market resolves around Jul 9, 2026, once the lowest temperature recorded in Paris on July 9 is verifiable from credible public sources. The outcome is determined by the actual minimum temperature reading on that date, confirmed through established meteorological records. Until that point, prices will fluctuate based on forecasts, model updates, and trader positioning. Resolution is automatic once the data is finalized and the winning outcome range is locked in.
Major weather model updates, seasonal pattern shifts, and atmospheric pressure changes will likely drive significant price moves. Unexpected cold fronts, heat waves, or anomalous jet stream behavior could reshape trader expectations. Real-time temperature readings in the days leading up to July 9 will anchor sentiment more tightly. Media coverage of extreme weather events, climate patterns, or forecaster consensus shifts can also trigger rapid repricing. Early morning conditions on the day itself may spark final volatility as traders react to live data.