{"source":"polymarket","id":"814323","ticker":"highest-temperature-in-helsinki-on-august-10-2026","slug":"highest-temperature-in-helsinki-on-august-10-2026","title":"Highest temperature in Helsinki on August 10?","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":1776.614346,"volume_24hr":1848.595346,"volume_24h_change":null,"normalized_vol_24hr":23.508386611938477,"normalized_volume":12.759574890136719,"liquidity":37333.69329,"open_interest":1768.3804310000003,"categories":["Climate and Weather"],"tags":[{"id":"84","slug":"weather","label":"Weather"},{"id":"101757","slug":"recurring","label":"Recurring"},{"id":"102169","slug":"hide-from-new","label":"Hide From New"},{"id":"103040","slug":"daily-temperature","label":"Daily Temperature"},{"id":"104440","slug":"helsinki","label":"Helsinki"},{"id":"104596","slug":"highest-temperature","label":"Highest temperature"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"22°C","top_outcome_probability":0.425,"top_outcome_prob_24h_change":0.10499999999999998,"top_outcome_volume_24h_change":77.051577,"updated_at":"2026-08-08T10:26:35.488903Z","fetched_at":"2026-08-08T10:26:35.488903Z","added_at":"2026-08-08T05:40:44.827235Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026","chart_24h":[151.751,507.83795,533.73315,1477.587011,1477.587011,1797.885346],"markets":[{"source":"polymarket","id":"3415743","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-22c","question":"Will the highest temperature in Helsinki be 22°C on August 10?","group_item_title":"22°C","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.425,0.575],"probability":0.425,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":84.05157700000001,"volume_24hr":84.051577,"prob_24h_change":0.10499999999999998,"volume_24h_change":77.051577,"normalized_vol_24hr":8.952387809753418,"normalized_volume":5.79230260848999,"liquidity":2246.0739,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T10:26:48.956183Z","fetched_at":"2026-08-08T10:26:35.559956Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-22c","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.32,0.34,0.36,0.375,0.375]},{"source":"polymarket","id":"3415744","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-23c","question":"Will the highest temperature in Helsinki be 23°C on August 10?","group_item_title":"23°C","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.315,0.685],"probability":0.315,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":186.903818,"volume_24hr":186.903818,"prob_24h_change":0.10500000000000001,"volume_24h_change":186.903818,"normalized_vol_24hr":12.431500434875488,"normalized_volume":8.043330192565918,"liquidity":2733.1472,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T10:04:59.494065Z","fetched_at":"2026-08-08T10:02:09.360792Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-23c","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.21,0.215,0.27,0.32,0.315]},{"source":"polymarket","id":"3415742","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-21c","question":"Will the highest temperature in Helsinki be 21°C on August 10?","group_item_title":"21°C","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.15,0.85],"probability":0.15,"spread":0.02,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":109.5647,"volume_24hr":109.5647,"prob_24h_change":-0.020000000000000018,"volume_24h_change":84.8747,"normalized_vol_24hr":10.04074764251709,"normalized_volume":6.49648380279541,"liquidity":2508.8475,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T10:28:58.485405Z","fetched_at":"2026-08-08T10:26:35.559956Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-21c","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.17,0.16,0.155,0.165,0.165]},{"source":"polymarket","id":"3415745","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-24c","question":"Will the highest temperature in Helsinki be 24°C on August 10?","group_item_title":"24°C","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.095,0.905],"probability":0.095,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":474.972751,"volume_24hr":474.972751,"prob_24h_change":-0.03,"volume_24h_change":474.972751,"normalized_vol_24hr":17.236648559570312,"normalized_volume":11.152318000793457,"liquidity":1977.3664,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T10:28:58.485405Z","fetched_at":"2026-08-08T10:26:35.559956Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-24c","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.125,0.12,0.17,0.09,0.075,0.09]},{"source":"polymarket","id":"3415741","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-20c","question":"Will the highest temperature in Helsinki be 20°C on August 10?","group_item_title":"20°C","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.065,0.935],"probability":0.065,"spread":0.03,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":191.01999999999998,"volume_24hr":191.01999999999998,"prob_24h_change":-0.009999999999999995,"volume_24h_change":142.94,"normalized_vol_24hr":12.534611701965332,"normalized_volume":8.1100435256958,"liquidity":2072.1118,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T10:26:48.956183Z","fetched_at":"2026-08-08T10:26:35.559956Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-20c","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.075,0.08,0.09,0.085,0.075,0.07]},{"source":"polymarket","id":"3415746","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-25c","question":"Will the highest temperature in Helsinki be 25°C on August 10?","group_item_title":"25°C","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.015,0.985],"probability":0.015,"spread":0.03,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":10.0,"volume_24hr":22.0,"prob_24h_change":-0.005000000000000001,"volume_24h_change":10.0,"normalized_vol_24hr":4.458080291748047,"normalized_volume":1.6869748830795288,"liquidity":2194.9596,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T10:26:48.956183Z","fetched_at":"2026-08-08T10:26:35.559956Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-25c","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.02,0.02,0.02]},{"source":"polymarket","id":"3415738","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-17corbelow","question":"Will the highest temperature in Helsinki be 17°C or below on August 10?","group_item_title":"17°C or below","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.02,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":4.9952000000000005,"volume_24hr":16.9857,"prob_24h_change":0.0,"volume_24h_change":4.9952000000000005,"normalized_vol_24hr":3.786207437515259,"normalized_volume":0.9410648345947266,"liquidity":1086.9084,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T06:57:17.373039Z","fetched_at":"2026-08-08T06:54:31.151412Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-17corbelow","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.01,0.01,0.01]},{"source":"polymarket","id":"3415739","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-18c","question":"Will the highest temperature in Helsinki be 18°C on August 10?","group_item_title":"18°C","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.02,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":210.0,"volume_24hr":221.9905,"prob_24h_change":0.0,"volume_24h_change":210.0,"normalized_vol_24hr":13.257735252380371,"normalized_volume":8.40344524383545,"liquidity":2768.8661,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T09:26:46.938713Z","fetched_at":"2026-08-08T09:22:58.302724Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-18c","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.01,0.015,0.01,0.01]},{"source":"polymarket","id":"3415740","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-19c","question":"Will the highest temperature in Helsinki be 19°C on August 10?","group_item_title":"19°C","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.02,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":328.9303,"volume_24hr":340.9303,"prob_24h_change":-0.025,"volume_24h_change":328.9303,"normalized_vol_24hr":15.436863899230957,"normalized_volume":9.865899085998535,"liquidity":2041.7236,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T10:26:48.956183Z","fetched_at":"2026-08-08T10:26:35.559956Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-19c","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.035,0.025,0.035,0.02,0.02,0.02]},{"source":"polymarket","id":"3415747","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-26c","question":"Will the highest temperature in Helsinki be 26°C on August 10?","group_item_title":"26°C","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.005,0.995],"probability":0.005,"spread":0.008,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":61.06099999999999,"volume_24hr":73.06099999999999,"prob_24h_change":-0.0004999999999999996,"volume_24h_change":61.06099999999999,"normalized_vol_24hr":8.403491973876953,"normalized_volume":4.9997968673706055,"liquidity":3929.00154,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T08:10:46.812456Z","fetched_at":"2026-08-08T08:08:35.803267Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-26c","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.0055,0.0055,0.005]},{"source":"polymarket","id":"3415748","event_id":"814323","slug":"highest-temperature-in-helsinki-on-august-10-2026-27corhigher","question":"Will the highest temperature in Helsinki be 27°C or higher on August 10?","group_item_title":"27°C or higher","description":"This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.\n\nThis market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 10 Aug '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe 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.\n\nRevisions 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.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0045,0.9955],"probability":0.0045,"spread":0.007,"active":true,"closed":false,"start_date":"2026-08-08T05:03:31Z","end_date":"2026-08-10T12:00:00Z","closed_time":null,"volume":115.115,"volume_24hr":127.115,"prob_24h_change":-0.001,"volume_24h_change":115.115,"normalized_vol_24hr":10.679320335388184,"normalized_volume":6.632430553436279,"liquidity":7549.07585,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-08T08:10:46.812456Z","fetched_at":"2026-08-08T08:08:35.803267Z","added_at":"2026-08-08T05:40:44.865454Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-august-10-2026/highest-temperature-in-helsinki-on-august-10-2026-27corhigher","event_title":"Highest temperature in Helsinki on August 10?","chart_24h":[0.0055,0.005,0.0045]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/814323","as_of":"2026-08-08T10:55:49.227111Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Highest temperature in Helsinki on August 10?\" — top market at 10% probability across 11 outcomes","source_url":null}}