{"source":"kalshi","id":"KXHIGHCHI-26JUL28","ticker":"KXHIGHCHI-26JUL28","slug":"KXHIGHCHI-26JUL28","title":"Highest temperature in Chicago on Jul 28, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-27T14:00:00Z","end_date":"2026-08-04T14:00:00Z","closed_time":null,"volume":10924.51,"volume_24hr":10924.51,"volume_24h_change":null,"normalized_vol_24hr":28.500459671020508,"normalized_volume":18.73858642578125,"liquidity":null,"open_interest":8814.28,"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":0.46,"top_outcome_prob_24h_change":0.18,"top_outcome_volume_24h_change":1711.79,"updated_at":"2026-07-28T06:54:32.847585Z","fetched_at":"2026-07-28T06:54:32.847585Z","added_at":"2026-07-27T14:14:34.024810Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-28-2026/kxhighchi-26jul28","chart_24h":[1179.31,1814.5,2017.5,3214.15,3250.65,3448.83,3505.1800000000003,3928.8399999999997,4509.24,4864.08,5104.08,5221.25,5771.59,5888.59,6028.01,6382.0599999999995,7341.16,7929.23,7976.23,8434.24,8807.23,9030.0],"markets":[{"source":"kalshi","id":"KXHIGHCHI-26JUL28-B79.5","event_id":"KXHIGHCHI-26JUL28","slug":"KXHIGHCHI-26JUL28-B79.5","question":"Will the high temp in Chicago be 79-80° on Jul 28, 2026?","group_item_title":"79° to 80°","description":"If the highest temperature recorded at Chicago Midway, IL for July 28, 2026, is between 79-80° 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":[0.46,0.54],"probability":0.46,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-07-27T14:00:00Z","end_date":"2026-08-04T14:00:00Z","closed_time":"2026-07-29T05:59:00Z","volume":2032.81,"volume_24hr":2032.81,"prob_24h_change":0.18,"volume_24h_change":1711.79,"normalized_vol_24hr":22.457809448242188,"normalized_volume":14.947159767150879,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T06:55:26.066196Z","fetched_at":"2026-07-28T06:54:33.086719Z","added_at":"2026-07-27T14:14:34.463833Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-28-2026/kxhighchi-26jul28","event_title":"Highest temperature in Chicago on Jul 28, 2026?","chart_24h":[0.28,0.25,0.28,0.28,0.27,0.31,0.35,0.35,0.39,0.43,0.41,0.39,0.42,0.42,0.41,0.43,0.43,0.46,0.46,0.44,0.47,0.46]},{"source":"kalshi","id":"KXHIGHCHI-26JUL28-B77.5","event_id":"KXHIGHCHI-26JUL28","slug":"KXHIGHCHI-26JUL28-B77.5","question":"Will the high temp in Chicago be 77-78° on Jul 28, 2026?","group_item_title":"77° to 78°","description":"If the highest temperature recorded at Chicago Midway, IL for July 28, 2026, is between 77-78° 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":[0.29,0.71],"probability":0.29,"spread":0.009999999999999953,"active":true,"closed":false,"start_date":"2026-07-27T14:00:00Z","end_date":"2026-08-04T14:00:00Z","closed_time":"2026-07-29T05:59:00Z","volume":2375.59,"volume_24hr":2375.59,"prob_24h_change":0.07999999999999999,"volume_24h_change":2249.32,"normalized_vol_24hr":23.40488052368164,"normalized_volume":15.571187973022461,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T06:55:26.066196Z","fetched_at":"2026-07-28T06:54:33.086719Z","added_at":"2026-07-27T14:14:34.463833Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-28-2026/kxhighchi-26jul28","event_title":"Highest temperature in Chicago on Jul 28, 2026?","chart_24h":[0.21,0.2,0.2,0.2,0.2,0.2,0.19,0.16,0.17,0.19,0.2,0.21,0.24,0.21,0.25,0.24,0.27,0.26,0.26,0.29,0.29,0.29]},{"source":"kalshi","id":"KXHIGHCHI-26JUL28-B75.5","event_id":"KXHIGHCHI-26JUL28","slug":"KXHIGHCHI-26JUL28-B75.5","question":"Will the high temp in Chicago be 75-76° on Jul 28, 2026?","group_item_title":"75° to 76°","description":"If the highest temperature recorded at Chicago Midway, IL for July 28, 2026, is between 75-76° 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":"2026-07-27T14:00:00Z","end_date":"2026-08-04T14:00:00Z","closed_time":"2026-07-29T05:59:00Z","volume":1167.26,"volume_24hr":1167.26,"prob_24h_change":0.05,"volume_24h_change":1132.84,"normalized_vol_24hr":17.10288429260254,"normalized_volume":12.690268516540527,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T06:55:26.066196Z","fetched_at":"2026-07-28T06:54:33.086719Z","added_at":"2026-07-27T14:14:34.463833Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-28-2026/kxhighchi-26jul28","event_title":"Highest temperature in Chicago on Jul 28, 2026?","chart_24h":[0.06,0.06,0.07,0.07,0.05,0.05,0.04,0.04,0.08,0.08,0.08,0.08,0.08,0.09,0.09,0.1,0.1,0.08,0.1,0.08,0.11]},{"source":"kalshi","id":"KXHIGHCHI-26JUL28-B81.5","event_id":"KXHIGHCHI-26JUL28","slug":"KXHIGHCHI-26JUL28-B81.5","question":"Will the high temp in Chicago be 81-82° on Jul 28, 2026?","group_item_title":"81° to 82°","description":"If the highest temperature recorded at Chicago Midway, IL for July 28, 2026, is between 81-82° 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":[0.1,0.9],"probability":0.1,"spread":0.009999999999999995,"active":true,"closed":false,"start_date":"2026-07-27T14:00:00Z","end_date":"2026-08-04T14:00:00Z","closed_time":"2026-07-29T05:59:00Z","volume":1127.81,"volume_24hr":1127.81,"prob_24h_change":-0.18999999999999997,"volume_24h_change":1095.94,"normalized_vol_24hr":18.097139358520508,"normalized_volume":12.039965629577637,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T06:55:26.066196Z","fetched_at":"2026-07-28T06:54:33.086719Z","added_at":"2026-07-27T14:14:34.463833Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-28-2026/kxhighchi-26jul28","event_title":"Highest temperature in Chicago on Jul 28, 2026?","chart_24h":[0.29,0.28,0.28,0.28,0.27,0.27,0.27,0.28,0.28,0.26,0.25,0.26,0.25,0.26,0.15,0.15,0.15,0.15,0.15,0.16]},{"source":"kalshi","id":"KXHIGHCHI-26JUL28-T82","event_id":"KXHIGHCHI-26JUL28","slug":"KXHIGHCHI-26JUL28-T82","question":"Will the high temp in Chicago be >82° on Jul 28, 2026?","group_item_title":"83° or above","description":"If the highest temperature recorded at Chicago Midway, IL for July 28, 2026, is greater than 82° 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":[0.05,0.95],"probability":0.05,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2026-07-27T14:00:00Z","end_date":"2026-08-04T14:00:00Z","closed_time":"2026-07-29T05:59:00Z","volume":1050.73,"volume_24hr":1050.73,"prob_24h_change":-0.15000000000000002,"volume_24h_change":802.15,"normalized_vol_24hr":18.194414138793945,"normalized_volume":12.535154342651367,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T06:55:26.066196Z","fetched_at":"2026-07-28T06:54:33.086719Z","added_at":"2026-07-27T14:14:34.463833Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-28-2026/kxhighchi-26jul28","event_title":"Highest temperature in Chicago on Jul 28, 2026?","chart_24h":[0.2,0.21,0.16,0.15,0.14,0.1,0.11,0.05,0.06,0.08,0.1,0.08,0.05,0.05,0.03,0.04,0.05,0.07,0.07,0.06,0.04]},{"source":"kalshi","id":"KXHIGHCHI-26JUL28-T75","event_id":"KXHIGHCHI-26JUL28","slug":"KXHIGHCHI-26JUL28-T75","question":"Will the high temp in Chicago be <75° on Jul 28, 2026?","group_item_title":"74° or below","description":"If the highest temperature recorded at Chicago Midway, IL for July 28, 2026, is less than 75° 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":"2026-07-27T14:00:00Z","end_date":"2026-08-04T14:00:00Z","closed_time":"2026-07-29T05:59:00Z","volume":3170.31,"volume_24hr":3170.31,"prob_24h_change":-0.01,"volume_24h_change":2753.16,"normalized_vol_24hr":23.26856803894043,"normalized_volume":15.480500221252441,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T06:55:26.066196Z","fetched_at":"2026-07-28T06:54:33.086719Z","added_at":"2026-07-27T14:14:34.463833Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-jul-28-2026/kxhighchi-26jul28","event_title":"Highest temperature in Chicago on Jul 28, 2026?","chart_24h":[0.02,0.03,0.07,0.03,0.03,0.03,0.04,0.04,0.02,0.02,0.02,0.02,0.03,0.03,0.02,0.05,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHCHI-26JUL28","as_of":"2026-07-28T06:56:08.981628Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Chicago on Jul 28, 2026?\" — top market at 1% probability across 6 outcomes","source_url":null}}