{"source":"kalshi","id":"KXHIGHCHI-26AUG12","ticker":"KXHIGHCHI-26AUG12","slug":"KXHIGHCHI-26AUG12","title":"Highest temperature in Chicago on Aug 12, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-11T14:00:00Z","end_date":"2026-08-19T14:00:00Z","closed_time":null,"volume":12426.11,"volume_24hr":12424.720000000001,"volume_24h_change":null,"normalized_vol_24hr":34.05437088012695,"normalized_volume":23.979063034057617,"liquidity":null,"open_interest":10601.32,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"82° to 83°","top_outcome_probability":0.34,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":945.98,"updated_at":"2026-08-12T01:05:59.199954Z","fetched_at":"2026-08-12T01:05:59.199954Z","added_at":"2026-08-11T14:12:32.542283Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-12-2026/kxhighchi-26aug12","chart_24h":[148.64,201.94,606.13,710.13,1443.1299999999999,1692.4099999999999,1976.33,2030.08,2357.06,2475.06,2709.06,3020.38,3315.0499999999997,6428.7300000000005,6769.360000000001,10565.550000000001],"markets":[{"source":"kalshi","id":"KXHIGHCHI-26AUG12-B82.5","event_id":"KXHIGHCHI-26AUG12","slug":"KXHIGHCHI-26AUG12-B82.5","question":"Will the high temp in Chicago be 82-83° on Aug 12, 2026?","group_item_title":"82° to 83°","description":"If the highest temperature recorded at Chicago Midway, IL for August 12, 2026, is between 82-83° 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":[0.34,0.6599999999999999],"probability":0.34,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-11T14:00:00Z","end_date":"2026-08-19T14:00:00Z","closed_time":"2026-08-13T05:59:00Z","volume":1010.05,"volume_24hr":1010.05,"prob_24h_change":0.0,"volume_24h_change":945.98,"normalized_vol_24hr":19.58551788330078,"normalized_volume":14.623173713684082,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-12T01:08:33.854849Z","fetched_at":"2026-08-12T01:06:00.053826Z","added_at":"2026-08-11T14:12:32.763237Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-12-2026/kxhighchi-26aug12","event_title":"Highest temperature in Chicago on Aug 12, 2026?","chart_24h":[0.34,0.34,0.31,0.32,0.32,0.33,0.33,0.33,0.34,0.35,0.36,0.38,0.36,0.34,0.34,0.34]},{"source":"kalshi","id":"KXHIGHCHI-26AUG12-B84.5","event_id":"KXHIGHCHI-26AUG12","slug":"KXHIGHCHI-26AUG12-B84.5","question":"Will the high temp in Chicago be 84-85° on Aug 12, 2026?","group_item_title":"84° to 85°","description":"If the highest temperature recorded at Chicago Midway, IL for August 12, 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":[0.27,0.73],"probability":0.27,"spread":0.019999999999999962,"active":true,"closed":false,"start_date":"2026-08-11T14:00:00Z","end_date":"2026-08-19T14:00:00Z","closed_time":"2026-08-13T05:59:00Z","volume":4334.51,"volume_24hr":4334.51,"prob_24h_change":0.11000000000000001,"volume_24h_change":4317.27,"normalized_vol_24hr":27.919410705566406,"normalized_volume":21.22264862060547,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-12T01:08:33.854849Z","fetched_at":"2026-08-12T01:06:00.053826Z","added_at":"2026-08-11T14:12:32.763237Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-12-2026/kxhighchi-26aug12","event_title":"Highest temperature in Chicago on Aug 12, 2026?","chart_24h":[0.16,0.18,0.19,0.18,0.14,0.1,0.14,0.14,0.12,0.12,0.12,0.12,0.12,0.14,0.16,0.29]},{"source":"kalshi","id":"KXHIGHCHI-26AUG12-B80.5","event_id":"KXHIGHCHI-26AUG12","slug":"KXHIGHCHI-26AUG12-B80.5","question":"Will the high temp in Chicago be 80-81° on Aug 12, 2026?","group_item_title":"80° to 81°","description":"If the highest temperature recorded at Chicago Midway, IL for August 12, 2026, is between 80-81° 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":[0.25,0.75],"probability":0.25,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-11T14:00:00Z","end_date":"2026-08-19T14:00:00Z","closed_time":"2026-08-13T05:59:00Z","volume":282.94,"volume_24hr":281.55,"prob_24h_change":-0.030000000000000027,"volume_24h_change":247.33,"normalized_vol_24hr":12.205699920654297,"normalized_volume":9.3054780960083,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-12T01:08:33.854849Z","fetched_at":"2026-08-12T01:06:00.053826Z","added_at":"2026-08-11T14:12:32.763237Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-12-2026/kxhighchi-26aug12","event_title":"Highest temperature in Chicago on Aug 12, 2026?","chart_24h":[0.28,0.28,0.29,0.28,0.29,0.29,0.33,0.3,0.29,0.31,0.31,0.26]},{"source":"kalshi","id":"KXHIGHCHI-26AUG12-T80","event_id":"KXHIGHCHI-26AUG12","slug":"KXHIGHCHI-26AUG12-T80","question":"Will the high temp in Chicago be <80° on Aug 12, 2026?","group_item_title":"79° or below","description":"If the highest temperature recorded at Chicago Midway, IL for August 12, 2026, is less than 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":[0.11,0.89],"probability":0.11,"spread":0.009999999999999995,"active":true,"closed":false,"start_date":"2026-08-11T14:00:00Z","end_date":"2026-08-19T14:00:00Z","closed_time":"2026-08-13T05:59:00Z","volume":1469.46,"volume_24hr":1469.46,"prob_24h_change":-0.06000000000000001,"volume_24h_change":1458.3500000000001,"normalized_vol_24hr":21.9617862701416,"normalized_volume":16.345264434814453,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-12T01:08:33.854849Z","fetched_at":"2026-08-12T01:06:00.053826Z","added_at":"2026-08-11T14:12:32.763237Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-12-2026/kxhighchi-26aug12","event_title":"Highest temperature in Chicago on Aug 12, 2026?","chart_24h":[0.17,0.14,0.15,0.15,0.13,0.13,0.13,0.12,0.12,0.12,0.14,0.12,0.13,0.17,0.11]},{"source":"kalshi","id":"KXHIGHCHI-26AUG12-B86.5","event_id":"KXHIGHCHI-26AUG12","slug":"KXHIGHCHI-26AUG12-B86.5","question":"Will the high temp in Chicago be 86-87° on Aug 12, 2026?","group_item_title":"86° to 87°","description":"If the highest temperature recorded at Chicago Midway, IL for August 12, 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":[0.06,0.94],"probability":0.06,"spread":0.049999999999999996,"active":true,"closed":false,"start_date":"2026-08-11T14:00:00Z","end_date":"2026-08-19T14:00:00Z","closed_time":"2026-08-13T05:59:00Z","volume":3311.92,"volume_24hr":3311.92,"prob_24h_change":0.009999999999999995,"volume_24h_change":3291.92,"normalized_vol_24hr":25.91253089904785,"normalized_volume":19.762535095214844,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-12T01:08:33.854849Z","fetched_at":"2026-08-12T01:06:00.053826Z","added_at":"2026-08-11T14:12:32.763237Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-12-2026/kxhighchi-26aug12","event_title":"Highest temperature in Chicago on Aug 12, 2026?","chart_24h":[0.05,0.05,0.04,0.04,0.04,0.06,0.05,0.05,0.04,0.04,0.03,0.03,0.04,0.06]},{"source":"kalshi","id":"KXHIGHCHI-26AUG12-T87","event_id":"KXHIGHCHI-26AUG12","slug":"KXHIGHCHI-26AUG12-T87","question":"Will the high temp in Chicago be >87° on Aug 12, 2026?","group_item_title":"88° or above","description":"If the highest temperature recorded at Chicago Midway, IL for August 12, 2026, is greater than 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":[0.01,0.99],"probability":0.01,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-11T14:00:00Z","end_date":"2026-08-19T14:00:00Z","closed_time":"2026-08-13T05:59:00Z","volume":2017.23,"volume_24hr":2017.23,"prob_24h_change":-0.03,"volume_24h_change":2015.23,"normalized_vol_24hr":24.145763397216797,"normalized_volume":17.950908660888672,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-12T01:08:33.854849Z","fetched_at":"2026-08-12T01:06:00.053826Z","added_at":"2026-08-11T14:12:32.763237Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-aug-12-2026/kxhighchi-26aug12","event_title":"Highest temperature in Chicago on Aug 12, 2026?","chart_24h":[0.04,0.04,0.03,0.01,0.02,0.02,0.01,0.02,0.02,0.03,0.02,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHCHI-26AUG12","as_of":"2026-08-12T01:09:36.460562Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Chicago on Aug 12, 2026?\" — top market at 27% probability across 6 outcomes","source_url":null}}