{"source":"kalshi","id":"KXHIGHCHI-26JUL21","ticker":"KXHIGHCHI-26JUL21","slug":"KXHIGHCHI-26JUL21","title":"Highest temperature in Chicago on Jul 21, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-20T14:00:00Z","end_date":"2026-07-28T14:00:00Z","closed_time":null,"volume":33772.61,"volume_24hr":33544.6,"volume_24h_change":null,"normalized_vol_24hr":40.2837028503418,"normalized_volume":24.296354293823242,"liquidity":null,"open_interest":24433.89,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"86° to 87°","top_outcome_probability":0.42,"top_outcome_prob_24h_change":0.42,"top_outcome_volume_24h_change":5131.67,"updated_at":"2026-07-21T12:28:54.742680Z","fetched_at":"2026-07-21T12:28:54.742680Z","added_at":"2026-07-20T14:04:20.540649Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-21-2026/kxhighchi-26jul21","chart_24h":[0.0,435.51,566.78,724.74,1019.35,2954.09,2968.49,3147.21,3188.21,3481.6,3672.99,3735.27,3819.25,3962.81,4150.53,4446.44,4747.83,5273.09,5479.5,5897.42,6386.44,8980.3,10228.53,11766.03,13138.4,14569.89,16424.53,17277.59,18350.57,20481.370000000003,23613.74,26026.420000000002,30031.7],"markets":[{"source":"kalshi","id":"KXHIGHCHI-26JUL21-B86.5","event_id":"KXHIGHCHI-26JUL21","slug":"KXHIGHCHI-26JUL21-B86.5","question":"Will the high temp in Chicago be 86-87° on Jul 21, 2026?","group_item_title":"86° to 87°","description":"If the highest temperature recorded at Chicago Midway, IL for July 21, 2026, is between 86-87° according to the National Weather Service's Climatological Report (Daily), 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 highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.42,0.5800000000000001],"probability":0.42,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-07-20T14:00:00Z","end_date":"2026-07-28T14:00:00Z","closed_time":"2026-07-22T05:59:00Z","volume":5137.18,"volume_24hr":5131.67,"prob_24h_change":0.42,"volume_24h_change":5131.67,"normalized_vol_24hr":30.121339797973633,"normalized_volume":19.000017166137695,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T12:29:46.564477Z","fetched_at":"2026-07-21T12:28:55.140578Z","added_at":"2026-07-20T14:04:21.131917Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-21-2026/kxhighchi-26jul21","event_title":"Highest temperature in Chicago on Jul 21, 2026?","chart_24h":[0.0,0.28,0.24,0.28,0.21,0.23,0.23,0.25,0.25,0.25,0.25,0.26,0.26,0.25,0.27,0.26,0.25,0.26,0.3,0.29,0.29,0.24,0.16,0.2,0.19,0.21,0.23,0.27,0.27,0.28,0.28,0.27,0.35,0.34]},{"source":"kalshi","id":"KXHIGHCHI-26JUL21-B84.5","event_id":"KXHIGHCHI-26JUL21","slug":"KXHIGHCHI-26JUL21-B84.5","question":"Will the high temp in Chicago be 84-85° on Jul 21, 2026?","group_item_title":"84° to 85°","description":"If the highest temperature recorded at Chicago Midway, IL for July 21, 2026, is between 84-85° according to the National Weather Service's Climatological Report (Daily), 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 highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.3,0.7],"probability":0.3,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-07-20T14:00:00Z","end_date":"2026-07-28T14:00:00Z","closed_time":"2026-07-22T05:59:00Z","volume":5960.5,"volume_24hr":5848.07,"prob_24h_change":0.3,"volume_24h_change":5848.07,"normalized_vol_24hr":31.04969596862793,"normalized_volume":19.6667423248291,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T12:29:46.564477Z","fetched_at":"2026-07-21T12:28:55.140578Z","added_at":"2026-07-20T14:04:21.131917Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-21-2026/kxhighchi-26jul21","event_title":"Highest temperature in Chicago on Jul 21, 2026?","chart_24h":[0.0,0.3,0.33,0.37,0.35,0.33,0.37,0.35,0.33,0.32,0.31,0.32,0.34,0.34,0.37,0.35,0.36,0.39,0.4,0.36,0.35,0.35,0.36,0.36,0.36,0.35,0.36,0.39,0.38,0.4,0.37,0.42,0.33]},{"source":"kalshi","id":"KXHIGHCHI-26JUL21-B88.5","event_id":"KXHIGHCHI-26JUL21","slug":"KXHIGHCHI-26JUL21-B88.5","question":"Will the high temp in Chicago be 88-89° on Jul 21, 2026?","group_item_title":"88° to 89°","description":"If the highest temperature recorded at Chicago Midway, IL for July 21, 2026, is between 88-89° according to the National Weather Service's Climatological Report (Daily), 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 highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.15,0.85],"probability":0.15,"spread":0.009999999999999981,"active":true,"closed":false,"start_date":"2026-07-20T14:00:00Z","end_date":"2026-07-28T14:00:00Z","closed_time":"2026-07-22T05:59:00Z","volume":5824.22,"volume_24hr":5824.22,"prob_24h_change":0.15,"volume_24h_change":5824.22,"normalized_vol_24hr":31.020450592041016,"normalized_volume":19.562246322631836,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T12:29:46.564477Z","fetched_at":"2026-07-21T12:28:55.140578Z","added_at":"2026-07-20T14:04:21.131917Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-21-2026/kxhighchi-26jul21","event_title":"Highest temperature in Chicago on Jul 21, 2026?","chart_24h":[0.0,0.13,0.16,0.07,0.08,0.1,0.1,0.12,0.06,0.08,0.19,0.17,0.14,0.14,0.13,0.13,0.14,0.12,0.09,0.13,0.13,0.08,0.11,0.13,0.13,0.1,0.07,0.06,0.1,0.14,0.14,0.15,0.14,0.15]},{"source":"kalshi","id":"KXHIGHCHI-26JUL21-T84","event_id":"KXHIGHCHI-26JUL21","slug":"KXHIGHCHI-26JUL21-T84","question":"Will the high temp in Chicago be <84° on Jul 21, 2026?","group_item_title":"83° or below","description":"If the highest temperature recorded at Chicago Midway, IL for July 21, 2026, is less than 84° according to the National Weather Service's Climatological Report (Daily), 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 highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.11,0.89],"probability":0.11,"spread":0.009999999999999995,"active":true,"closed":false,"start_date":"2026-07-20T14:00:00Z","end_date":"2026-07-28T14:00:00Z","closed_time":"2026-07-22T05:59:00Z","volume":12282.35,"volume_24hr":12191.91,"prob_24h_change":-0.18,"volume_24h_change":12191.91,"normalized_vol_24hr":36.531341552734375,"normalized_volume":23.073753356933594,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T12:29:46.564477Z","fetched_at":"2026-07-21T12:28:55.140578Z","added_at":"2026-07-20T14:04:21.131917Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-21-2026/kxhighchi-26jul21","event_title":"Highest temperature in Chicago on Jul 21, 2026?","chart_24h":[0.29,0.14,0.22,0.23,0.28,0.31,0.31,0.34,0.32,0.31,0.25,0.24,0.25,0.25,0.22,0.24,0.26,0.28,0.23,0.22,0.27,0.35,0.41,0.38,0.37,0.39,0.4,0.32,0.23,0.25,0.15,0.09,0.13,0.1]},{"source":"kalshi","id":"KXHIGHCHI-26JUL21-B90.5","event_id":"KXHIGHCHI-26JUL21","slug":"KXHIGHCHI-26JUL21-B90.5","question":"Will the high temp in Chicago be 90-91° on Jul 21, 2026?","group_item_title":"90° to 91°","description":"If the highest temperature recorded at Chicago Midway, IL for July 21, 2026, is between 90-91° according to the National Weather Service's Climatological Report (Daily), 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 highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","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":"2026-07-20T14:00:00Z","end_date":"2026-07-28T14:00:00Z","closed_time":"2026-07-22T05:59:00Z","volume":1802.36,"volume_24hr":1802.36,"prob_24h_change":0.04,"volume_24h_change":1802.36,"normalized_vol_24hr":23.197269439697266,"normalized_volume":14.628759384155273,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T12:29:46.564477Z","fetched_at":"2026-07-21T12:28:55.140578Z","added_at":"2026-07-20T14:04:21.131917Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-21-2026/kxhighchi-26jul21","event_title":"Highest temperature in Chicago on Jul 21, 2026?","chart_24h":[0.0,0.06,0.04,0.03,0.03,0.03,0.03,0.02,0.02,0.02,0.02,0.04,0.04,0.04,0.03,0.03,0.03,0.02,0.02,0.02,0.01,0.02,0.01,0.01,0.01,0.03,0.01,0.03,0.03,0.04]},{"source":"kalshi","id":"KXHIGHCHI-26JUL21-T91","event_id":"KXHIGHCHI-26JUL21","slug":"KXHIGHCHI-26JUL21-T91","question":"Will the high temp in Chicago be >91° on Jul 21, 2026?","group_item_title":"92° or above","description":"If the highest temperature recorded at Chicago Midway, IL for July 21, 2026, is greater than 91° according to the National Weather Service's Climatological Report (Daily), 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 highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.","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":"2026-07-20T14:00:00Z","end_date":"2026-07-28T14:00:00Z","closed_time":"2026-07-22T05:59:00Z","volume":2766.0,"volume_24hr":2746.37,"prob_24h_change":-0.019999999999999997,"volume_24h_change":2746.37,"normalized_vol_24hr":25.875545501708984,"normalized_volume":16.34710121154785,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T12:29:46.564477Z","fetched_at":"2026-07-21T12:28:55.140578Z","added_at":"2026-07-20T14:04:21.131917Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-21-2026/kxhighchi-26jul21","event_title":"Highest temperature in Chicago on Jul 21, 2026?","chart_24h":[0.03,0.03,0.02,0.02,0.02,0.01,0.01,0.02,0.02,0.02,0.02,0.01,0.02,0.02,0.01,0.01,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHCHI-26JUL21","as_of":"2026-07-21T12:40:02.123926Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Chicago on Jul 21, 2026?\" — top market at 11% probability across 6 outcomes","source_url":null}}