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 Toronto Pearson 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 Toronto Pearson Intl Airport Station, available here: https://www.wunderground.com/history/daily/ca/mississauga/CYYZ. 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 Toronto Pearson 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 Toronto Pearson Intl Airport Station, available here: https://www.wunderground.com/history/daily/ca/mississauga/CYYZ. 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 aggregated trader expectations and often diverge from traditional meteorological forecasts. While weather analysts rely on atmospheric models and historical data to estimate temperature ranges, this market distills collective trader conviction into a single probability. Comparing the current odds to Environment Canada or other official forecasts can reveal whether traders are pricing in more or less confidence in a heat event than experts publicly project. Such gaps sometimes signal overlooked risks or overconfidence in either camp, making the comparison valuable for weather-focused decision makers.
This market resolves around Jun 14, 2026, once June 14 has passed and the day's highest temperature in Toronto can be verified. The outcome is confirmed against credible public sources reporting the actual peak temperature recorded on that date. Traders who correctly predicted whether the high would reach 28°C or exceed it receive their payout, while those on the losing side forfeit their stake. Resolution is automatic once the temperature data becomes official and undisputed.
Several factors could shift odds significantly before the market closes. Updated long-range weather forecasts from meteorological agencies often trigger repricing as traders incorporate new atmospheric data. Seasonal anomalies, jet stream patterns, or unusual high-pressure systems developing over Ontario could strengthen the case for extreme heat. Real-time weather alerts and short-range model updates in the days leading up to June 14 typically drive the most volatile trading. Historical temperature records for that date and broader climate trends may also influence trader positioning as the event approaches.