TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 26, 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 26 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 26 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 markets like this one aggregate dispersed information from thousands of traders, often capturing signals that traditional weather forecasts may lag on. While meteorologists rely on atmospheric models and historical data, market participants incorporate real-time observations, social media signals, and expert commentary into their trades. The odds in this market reflect a decentralized consensus that can diverge from official forecasts, particularly as new data emerges. Comparing the two reveals whether traders are pricing in risks or opportunities that analysts have underweighted.
This market resolves around Jun 26, 2026, once the highest temperature recorded in Toronto for that day becomes verifiable from credible public sources. The outcome is determined by official temperature readings from recognized meteorological stations serving the Toronto area. Traders holding shares in the correct outcome receive their payout once the event is confirmed and the market settles. Resolution typically occurs within hours of the market close on the event date.
Updated weather forecasts from Environment Canada or major meteorological services can shift odds significantly, especially as June 26 approaches and models gain precision. Unusual atmospheric patterns, heat waves, or cold fronts affecting eastern Canada would trigger rapid repricing. Historical temperature records and seasonal trends also influence trader positioning. Real-time weather alerts, air quality warnings, or unexpected climate events in the days leading up to the date could prompt sharp moves in trading activity and odds.