{"source":"kalshi","id":"KXHIGHCHI-26AUG21","ticker":"KXHIGHCHI-26AUG21","slug":"KXHIGHCHI-26AUG21","title":"Highest temperature in Chicago on Aug 21, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-20T14:00:00Z","end_date":"2026-08-28T14:00:00Z","closed_time":null,"volume":3664.35,"volume_24hr":3662.35,"volume_24h_change":null,"normalized_vol_24hr":23.474302291870117,"normalized_volume":18.502113342285156,"liquidity":null,"open_interest":2771.5,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"80° to 81°","top_outcome_probability":0.5,"top_outcome_prob_24h_change":0.12,"top_outcome_volume_24h_change":1017.96,"updated_at":"2026-08-21T03:16:33.989846Z","fetched_at":"2026-08-21T03:16:33.989846Z","added_at":"2026-08-20T14:15:52.828411Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-21-2026/kxhighchi-26aug21","chart_24h":[113.39,239.39,417.1,1353.8700000000001,2012.32,2120.84,2164.2000000000003,2323.2000000000003,2333.2000000000003,2347.2000000000003,2438.81,2575.04,2584.04,2699.51,2820.4300000000003,3450.24,3572.4],"markets":[{"source":"kalshi","id":"KXHIGHCHI-26AUG21-B80.5","event_id":"KXHIGHCHI-26AUG21","slug":"KXHIGHCHI-26AUG21-B80.5","question":"Will the maximum temperature be 80-81° on Aug 21, 2026?","group_item_title":"80° to 81°","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 21, 2026, is between 80-81° 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":"2026-08-20T14:00:00Z","end_date":"2026-08-28T14:00:00Z","closed_time":"2026-08-22T06:00:00Z","volume":1073.74,"volume_24hr":1071.74,"prob_24h_change":0.12,"volume_24h_change":1017.96,"normalized_vol_24hr":19.363819122314453,"normalized_volume":15.157855033874512,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-21T03:16:34.291791Z","fetched_at":"2026-08-21T03:16:34.291791Z","added_at":"2026-08-20T14:15:53.000904Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-21-2026/kxhighchi-26aug21","event_title":"Highest temperature in Chicago on Aug 21, 2026?","chart_24h":[0.38,0.39,0.43,0.44,0.42,0.41,0.45,0.44,0.45,0.45,0.44,0.45,0.45,0.42,0.45,0.52,0.5]},{"source":"kalshi","id":"KXHIGHCHI-26AUG21-B82.5","event_id":"KXHIGHCHI-26AUG21","slug":"KXHIGHCHI-26AUG21-B82.5","question":"Will the maximum temperature be 82-83° on Aug 21, 2026?","group_item_title":"82° to 83°","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 21, 2026, is between 82-83° 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":0.020000000000000018,"active":true,"closed":false,"start_date":"2026-08-20T14:00:00Z","end_date":"2026-08-28T14:00:00Z","closed_time":"2026-08-22T06:00:00Z","volume":336.16,"volume_24hr":336.16,"prob_24h_change":-0.019999999999999962,"volume_24h_change":322.06,"normalized_vol_24hr":13.351527214050293,"normalized_volume":10.448683738708496,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-21T03:18:24.133804Z","fetched_at":"2026-08-21T03:16:34.291791Z","added_at":"2026-08-20T14:15:53.000904Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-21-2026/kxhighchi-26aug21","event_title":"Highest temperature in Chicago on Aug 21, 2026?","chart_24h":[0.29,0.31,0.3,0.3,0.31,0.31,0.31,0.31,0.29,0.29,0.34,0.33,0.33,0.26]},{"source":"kalshi","id":"KXHIGHCHI-26AUG21-B78.5","event_id":"KXHIGHCHI-26AUG21","slug":"KXHIGHCHI-26AUG21-B78.5","question":"Will the maximum temperature be 78-79° on Aug 21, 2026?","group_item_title":"78° to 79°","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 21, 2026, is between 78-79° 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":[0.13,0.87],"probability":0.13,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-20T14:00:00Z","end_date":"2026-08-28T14:00:00Z","closed_time":"2026-08-22T06:00:00Z","volume":264.16,"volume_24hr":264.16,"prob_24h_change":-0.04000000000000001,"volume_24h_change":219.16,"normalized_vol_24hr":11.633336067199707,"normalized_volume":9.104056358337402,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-21T03:16:34.291791Z","fetched_at":"2026-08-21T03:16:34.291791Z","added_at":"2026-08-20T14:15:53.000904Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-21-2026/kxhighchi-26aug21","event_title":"Highest temperature in Chicago on Aug 21, 2026?","chart_24h":[0.17,0.16,0.16,0.16,0.15,0.13,0.12,0.12,0.13,0.13,0.12,0.12,0.13,0.12,0.12,0.12]},{"source":"kalshi","id":"KXHIGHCHI-26AUG21-B84.5","event_id":"KXHIGHCHI-26AUG21","slug":"KXHIGHCHI-26AUG21-B84.5","question":"Will the maximum temperature be 84-85° on Aug 21, 2026?","group_item_title":"84° to 85°","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 21, 2026, is between 84-85° 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":[0.05,0.95],"probability":0.05,"spread":0.019999999999999997,"active":true,"closed":false,"start_date":"2026-08-20T14:00:00Z","end_date":"2026-08-28T14:00:00Z","closed_time":"2026-08-22T06:00:00Z","volume":794.65,"volume_24hr":794.65,"prob_24h_change":-0.009999999999999995,"volume_24h_change":752.14,"normalized_vol_24hr":17.745668411254883,"normalized_volume":13.887465476989746,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-21T03:16:34.291791Z","fetched_at":"2026-08-21T03:16:34.291791Z","added_at":"2026-08-20T14:15:53.000904Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-21-2026/kxhighchi-26aug21","event_title":"Highest temperature in Chicago on Aug 21, 2026?","chart_24h":[0.06,0.06,0.06,0.11,0.08,0.08,0.09,0.09,0.06,0.06,0.06,0.06,0.08,0.1,0.05]},{"source":"kalshi","id":"KXHIGHCHI-26AUG21-T78","event_id":"KXHIGHCHI-26AUG21","slug":"KXHIGHCHI-26AUG21-T78","question":"Will the maximum temperature be <78° on Aug 21, 2026?","group_item_title":"77° or below","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 21, 2026, is less than 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":[0.04,0.96],"probability":0.04,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2026-08-20T14:00:00Z","end_date":"2026-08-28T14:00:00Z","closed_time":"2026-08-22T06:00:00Z","volume":182.17,"volume_24hr":182.17,"prob_24h_change":0.010000000000000002,"volume_24h_change":172.17,"normalized_vol_24hr":10.799242973327637,"normalized_volume":8.451308250427246,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-21T02:41:32.241415Z","fetched_at":"2026-08-21T02:39:20.024691Z","added_at":"2026-08-20T14:15:53.000904Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-21-2026/kxhighchi-26aug21","event_title":"Highest temperature in Chicago on Aug 21, 2026?","chart_24h":[0.03,0.05,0.05,0.04,0.02,0.02,0.04,0.03,0.04]},{"source":"kalshi","id":"KXHIGHCHI-26AUG21-T85","event_id":"KXHIGHCHI-26AUG21","slug":"KXHIGHCHI-26AUG21-T85","question":"Will the maximum temperature be >85° on Aug 21, 2026?","group_item_title":"86° or above","description":"If the maximum temperature recorded at Chicago (CLIMDW) for Aug 21, 2026, is greater than 85° 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":"2026-08-20T14:00:00Z","end_date":"2026-08-28T14:00:00Z","closed_time":"2026-08-22T06:00:00Z","volume":1013.47,"volume_24hr":1013.47,"prob_24h_change":0.01,"volume_24h_change":1013.47,"normalized_vol_24hr":19.06018829345703,"normalized_volume":14.916187286376953,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-21T01:04:13.434715Z","fetched_at":"2026-08-21T00:58:42.722515Z","added_at":"2026-08-20T14:15:53.000904Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-21-2026/kxhighchi-26aug21","event_title":"Highest temperature in Chicago on Aug 21, 2026?","chart_24h":[0.0,0.04,0.02,0.02,0.01,0.01,0.01,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHCHI-26AUG21","as_of":"2026-08-21T03:21:48.523534Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Chicago on Aug 21, 2026?\" — top market at 50% probability across 6 outcomes","source_url":null}}