Official Environment and Climate Change Canada observations from Toronto Pearson International Airport—the standard reference station for such markets—confirm the highest temperature on April 21, 2026, reached exactly 11°C during hourly readings amid cloudy conditions and light winds that capped warming. This verified measurement, finalized post-midnight, has driven trader consensus to a 100% implied probability for the 11°C outcome, reflecting the wisdom of crowds in aligning with authoritative data over pre-event forecasts expecting slightly higher peaks around 12–14°C. Realistic challenges are minimal but could include rare data audits revealing sensor errors or disputes over urban heat effects at alternate downtown sites; however, Pearson's records govern resolution, solidifying the positioning absent new evidence.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jourHighest temperature in Toronto on April 21?
Highest temperature in Toronto on April 21?
11°C 100.0%
4°C or below <1%
5°C <1%
6°C <1%
$149,128 Vol.
$149,128 Vol.
21 avr. 2026
4°C or below
No
5°C
No
6°C
No
7°C
No
8°C
No
9°C
No
10°C
No
11°C
Yes
12°C
No
13°C
No
14°C or higher
No
11°C 100.0%
4°C or below <1%
5°C <1%
6°C <1%
$149,128 Vol.
$149,128 Vol.
21 avr. 2026
4°C or below
$7,823 Vol.
No
5°C
$5,104 Vol.
No
6°C
$6,707 Vol.
No
7°C
$7,375 Vol.
No
8°C
$9,384 Vol.
No
9°C
$12,304 Vol.
No
10°C
$24,439 Vol.
No
11°C
$27,474 Vol.
Yes
12°C
$15,916 Vol.
No
13°C
$11,646 Vol.
No
14°C or higher
$20,956 Vol.
No
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 21 Apr '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Official Environment and Climate Change Canada observations from Toronto Pearson International Airport—the standard reference station for such markets—confirm the highest temperature on April 21, 2026, reached exactly 11°C during hourly readings amid cloudy conditions and light winds that capped warming. This verified measurement, finalized post-midnight, has driven trader consensus to a 100% implied probability for the 11°C outcome, reflecting the wisdom of crowds in aligning with authoritative data over pre-event forecasts expecting slightly higher peaks around 12–14°C. Realistic challenges are minimal but could include rare data audits revealing sensor errors or disputes over urban heat effects at alternate downtown sites; however, Pearson's records govern resolution, solidifying the positioning absent new evidence.
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 21 Apr '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Marché ouvert : Apr 19, 2026, 12:06 AM ET
Volume
$149,128Date de fin
21 avr. 2026Marché ouvert
Apr 19, 2026, 12:06 AM ETSource de résolution
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Résultat proposé: No
Aucune contestation
Résultat final: No
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 21 Apr '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Official Environment and Climate Change Canada observations from Toronto Pearson International Airport—the standard reference station for such markets—confirm the highest temperature on April 21, 2026, reached exactly 11°C during hourly readings amid cloudy conditions and light winds that capped warming. This verified measurement, finalized post-midnight, has driven trader consensus to a 100% implied probability for the 11°C outcome, reflecting the wisdom of crowds in aligning with authoritative data over pre-event forecasts expecting slightly higher peaks around 12–14°C. Realistic challenges are minimal but could include rare data audits revealing sensor errors or disputes over urban heat effects at alternate downtown sites; however, Pearson's records govern resolution, solidifying the positioning absent new evidence.
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 21 Apr '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Toronto Pearson Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Volume
$149,128Date de fin
21 avr. 2026Marché ouvert
Apr 19, 2026, 12:06 AM ETSource de résolution
https://www.wunderground.com/history/daily/ca/mississauga/CYYZResolver
0x69c47De9D...Résultat proposé: No
Aucune contestation
Résultat final: No
Official Environment and Climate Change Canada observations from Toronto Pearson International Airport—the standard reference station for such markets—confirm the highest temperature on April 21, 2026, reached exactly 11°C during hourly readings amid cloudy conditions and light winds that capped warming. This verified measurement, finalized post-midnight, has driven trader consensus to a 100% implied probability for the 11°C outcome, reflecting the wisdom of crowds in aligning with authoritative data over pre-event forecasts expecting slightly higher peaks around 12–14°C. Realistic challenges are minimal but could include rare data audits revealing sensor errors or disputes over urban heat effects at alternate downtown sites; however, Pearson's records govern resolution, solidifying the positioning absent new evidence.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour
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