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: Jul 11, 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 11 Jul '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 11 Jul '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 real-money bets from traders who profit or lose based on accuracy, creating a financial incentive to forecast correctly. Analyst forecasts, by contrast, come from meteorologists and climate models that rely on historical data and atmospheric science. This market prices trader conviction about whether the highest temperature will match a specific threshold, whereas traditional forecasters issue probabilistic ranges. Both approaches offer value: markets aggregate dispersed information quickly, while analysts provide detailed reasoning. Comparing the two can reveal where consensus exists and where uncertainty remains highest.
This market resolves around Jul 11, 2026, once July 11 has passed and the highest temperature in Toronto can be verified. The outcome is confirmed against credible public sources that record the peak temperature for that day. Once the event is observable and reported, the market settles automatically based on which outcome bracket or threshold the actual temperature falls into. Traders holding shares in the correct outcome receive their payout, while incorrect positions expire worthless.
Weather forecasts and seasonal climate patterns are the primary drivers of price movement in this market. Major atmospheric events—such as heat waves, cold fronts, or unusual pressure systems—can shift trader expectations significantly. Updated meteorological models released closer to July 11 will likely trigger volatility as new data becomes available. News about climate anomalies, urban heat effects, or historical temperature records for Toronto in July can also influence positioning. As the date approaches, real-time weather updates and short-term forecasts will dominate trading activity and price discovery.