{"source":"kalshi","id":"KXHIGHCHI-26AUG20","ticker":"KXHIGHCHI-26AUG20","slug":"KXHIGHCHI-26AUG20","title":"Highest temperature in Chicago on Aug 20, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-19T14:00:00Z","end_date":"2026-08-27T14:00:00Z","closed_time":null,"volume":3529.9,"volume_24hr":3529.9,"volume_24h_change":null,"normalized_vol_24hr":25.49798011779785,"normalized_volume":18.376569747924805,"liquidity":null,"open_interest":2905.03,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"79° to 80°","top_outcome_probability":0.5,"top_outcome_prob_24h_change":0.12,"top_outcome_volume_24h_change":723.91,"updated_at":"2026-08-20T02:53:15.245205Z","fetched_at":"2026-08-20T02:53:15.245205Z","added_at":"2026-08-19T14:02:25.124999Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-20-2026/kxhighchi-26aug20","chart_24h":[770.1899999999999,810.66,966.27,1200.26,1392.26,1488.85,1598.85,1682.3,2094.55,2233.3,2317.01,2641.69,2840.46,2872.46,2972.0,3017.0,3205.0,3402.06],"markets":[{"source":"kalshi","id":"KXHIGHCHI-26AUG20-B79.5","event_id":"KXHIGHCHI-26AUG20","slug":"KXHIGHCHI-26AUG20-B79.5","question":"Will the maximum temperature be 79-80° on Aug 20, 2026?","group_item_title":"79° to 80°","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 20, 2026, is between 79-80° fahrenheit according to The Weather Company, then the market resolves to Yes.\n\n---\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the Weather Company.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-19T14:00:00Z","end_date":"2026-08-27T14:00:00Z","closed_time":"2026-08-21T06:00:00Z","volume":778.91,"volume_24hr":778.91,"prob_24h_change":0.12,"volume_24h_change":723.91,"normalized_vol_24hr":18.023941040039062,"normalized_volume":13.686121940612793,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-20T02:55:40.856077Z","fetched_at":"2026-08-20T02:53:15.542113Z","added_at":"2026-08-19T14:02:25.865169Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-20-2026/kxhighchi-26aug20","event_title":"Highest temperature in Chicago on Aug 20, 2026?","chart_24h":[0.38,0.39,0.39,0.4,0.38,0.39,0.39,0.42,0.41,0.41,0.42,0.44,0.45,0.45,0.47,0.47,0.49,0.49]},{"source":"kalshi","id":"KXHIGHCHI-26AUG20-B81.5","event_id":"KXHIGHCHI-26AUG20","slug":"KXHIGHCHI-26AUG20-B81.5","question":"Will the maximum temperature be 81-82° on Aug 20, 2026?","group_item_title":"81° to 82°","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 20, 2026, is between 81-82° fahrenheit according to The Weather Company, then the market resolves to Yes.\n\n---\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the Weather Company.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.27,0.73],"probability":0.27,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-19T14:00:00Z","end_date":"2026-08-27T14:00:00Z","closed_time":"2026-08-21T06:00:00Z","volume":646.64,"volume_24hr":646.64,"prob_24h_change":0.05000000000000002,"volume_24h_change":646.64,"normalized_vol_24hr":17.179277420043945,"normalized_volume":13.044743537902832,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-20T02:36:56.803986Z","fetched_at":"2026-08-20T02:33:28.341448Z","added_at":"2026-08-19T14:02:25.865169Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-20-2026/kxhighchi-26aug20","event_title":"Highest temperature in Chicago on Aug 20, 2026?","chart_24h":[0.22,0.22,0.22,0.21,0.24,0.24,0.25,0.27,0.3,0.26,0.29,0.29,0.3,0.3,0.26,0.27,0.27]},{"source":"kalshi","id":"KXHIGHCHI-26AUG20-B77.5","event_id":"KXHIGHCHI-26AUG20","slug":"KXHIGHCHI-26AUG20-B77.5","question":"Will the maximum temperature be 77-78° on Aug 20, 2026?","group_item_title":"77° to 78°","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 20, 2026, is between 77-78° fahrenheit according to The Weather Company, then the market resolves to Yes.\n\n---\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the Weather Company.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.18,0.8200000000000001],"probability":0.18,"spread":0.009999999999999981,"active":true,"closed":false,"start_date":"2026-08-19T14:00:00Z","end_date":"2026-08-27T14:00:00Z","closed_time":"2026-08-21T06:00:00Z","volume":636.46,"volume_24hr":636.46,"prob_24h_change":-0.10999999999999999,"volume_24h_change":579.46,"normalized_vol_24hr":17.095287322998047,"normalized_volume":12.98096752166748,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-20T02:36:56.803986Z","fetched_at":"2026-08-20T02:33:28.341448Z","added_at":"2026-08-19T14:02:25.865169Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-20-2026/kxhighchi-26aug20","event_title":"Highest temperature in Chicago on Aug 20, 2026?","chart_24h":[0.29,0.26,0.26,0.26,0.15,0.15,0.17,0.17,0.19,0.19,0.17,0.18,0.18,0.17,0.18]},{"source":"kalshi","id":"KXHIGHCHI-26AUG20-T77","event_id":"KXHIGHCHI-26AUG20","slug":"KXHIGHCHI-26AUG20-T77","question":"Will the maximum temperature be <77° on Aug 20, 2026?","group_item_title":"76° or below","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 20, 2026, is less than 77° fahrenheit according to The Weather Company, then the market resolves to Yes.\n\n---\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the Weather Company.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.07,0.9299999999999999],"probability":0.07,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2026-08-19T14:00:00Z","end_date":"2026-08-27T14:00:00Z","closed_time":"2026-08-21T06:00:00Z","volume":374.54,"volume_24hr":374.54,"prob_24h_change":0.0,"volume_24h_change":318.87,"normalized_vol_24hr":14.408493995666504,"normalized_volume":10.940804481506348,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-20T02:13:34.574002Z","fetched_at":"2026-08-20T02:09:39.419200Z","added_at":"2026-08-19T14:02:25.865169Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-20-2026/kxhighchi-26aug20","event_title":"Highest temperature in Chicago on Aug 20, 2026?","chart_24h":[0.07,0.08,0.08,0.08,0.09,0.07,0.07,0.1,0.09,0.07,0.07,0.08,0.06,0.07,0.07]},{"source":"kalshi","id":"KXHIGHCHI-26AUG20-B83.5","event_id":"KXHIGHCHI-26AUG20","slug":"KXHIGHCHI-26AUG20-B83.5","question":"Will the maximum temperature be 83-84° on Aug 20, 2026?","group_item_title":"83° to 84°","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 20, 2026, is between 83-84° fahrenheit according to The Weather Company, then the market resolves to Yes.\n\n---\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the Weather Company.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.04,0.96],"probability":0.04,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2026-08-19T14:00:00Z","end_date":"2026-08-27T14:00:00Z","closed_time":"2026-08-21T06:00:00Z","volume":189.83,"volume_24hr":189.83,"prob_24h_change":0.0,"volume_24h_change":186.83,"normalized_vol_24hr":11.3056640625,"normalized_volume":8.584733009338379,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-19T21:41:23.033519Z","fetched_at":"2026-08-19T21:38:58.532834Z","added_at":"2026-08-19T14:02:25.865169Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-20-2026/kxhighchi-26aug20","event_title":"Highest temperature in Chicago on Aug 20, 2026?","chart_24h":[0.04,0.04,0.05,0.05,0.04]},{"source":"kalshi","id":"KXHIGHCHI-26AUG20-T84","event_id":"KXHIGHCHI-26AUG20","slug":"KXHIGHCHI-26AUG20-T84","question":"Will the maximum temperature be >84° on Aug 20, 2026?","group_item_title":"85° or above","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 20, 2026, is greater than 84° fahrenheit according to The Weather Company, then the market resolves to Yes.\n\n---\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the Weather Company.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-19T14:00:00Z","end_date":"2026-08-27T14:00:00Z","closed_time":"2026-08-21T06:00:00Z","volume":903.52,"volume_24hr":903.52,"prob_24h_change":0.0,"volume_24h_change":304.0,"normalized_vol_24hr":18.998172760009766,"normalized_volume":14.425886154174805,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-19T18:19:59.132965Z","fetched_at":"2026-08-19T18:15:37.696261Z","added_at":"2026-08-19T14:02:25.865169Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-20-2026/kxhighchi-26aug20","event_title":"Highest temperature in Chicago on Aug 20, 2026?","chart_24h":[0.01,0.02,0.02,0.02,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHCHI-26AUG20","as_of":"2026-08-20T02:56:59.666900Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Chicago on Aug 20, 2026?\" — top market at 1% probability across 6 outcomes","source_url":null}}