{"source":"kalshi","id":"KXHIGHCHI-26MAY30","ticker":"KXHIGHCHI-26MAY30","slug":"KXHIGHCHI-26MAY30","title":"Highest temperature in Chicago on May 30, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-05-29T14:00:00Z","end_date":"2026-06-06T14:00:00Z","closed_time":null,"volume":133171.67,"volume_24hr":128168.7,"volume_24h_change":null,"normalized_vol_24hr":47.94347381591797,"normalized_volume":37.564186096191406,"liquidity":null,"open_interest":76920.15,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"74° to 75°","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.6,"top_outcome_volume_24h_change":22087.36,"updated_at":"2026-05-30T21:40:51.924896Z","fetched_at":"2026-05-30T21:40:51.924896Z","added_at":"2026-05-29T14:04:02.837541Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-may-30-2026/kxhighchi-26may30","chart_24h":[5443.68,7043.0599999999995,7673.02,8092.5599999999995,8725.51,9574.43,9933.85,12540.79,13096.83,14250.45,21863.64,23214.63,24439.43,34436.770000000004,38169.96,40186.96,41677.29,41875.9,42994.06,46137.740000000005,47399.15,54771.38,59947.48,64429.229999999996,71217.7,76714.33,81205.01,82027.15,85692.58,87752.71,92936.06,97998.56,106147.20999999999,118852.81999999999,127466.45000000001],"markets":[{"source":"kalshi","id":"KXHIGHCHI-26MAY30-B74.5","event_id":"KXHIGHCHI-26MAY30","slug":"KXHIGHCHI-26MAY30-B74.5","question":"Will the high temp in Chicago be 74-75° on May 30, 2026?","group_item_title":"74° to 75°","description":"If the highest temperature recorded at Chicago Midway, IL for May 30, 2026, is between 74-75° 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":[0.99,0.010000000000000009],"probability":0.99,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-05-29T14:00:00Z","end_date":"2026-06-06T14:00:00Z","closed_time":"2026-05-31T05:59:00Z","volume":23212.15,"volume_24hr":22662.9,"prob_24h_change":0.6,"volume_24h_change":22087.36,"normalized_vol_24hr":37.26899337768555,"normalized_volume":32.788509368896484,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-30T21:41:36.720670Z","fetched_at":"2026-05-30T21:40:51.989889Z","added_at":"2026-05-29T14:04:03.034521Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-may-30-2026/kxhighchi-26may30","event_title":"Highest temperature in Chicago on May 30, 2026?","chart_24h":[0.39,0.42,0.38,0.43,0.36,0.36,0.37,0.36,0.34,0.37,0.29,0.34,0.36,0.33,0.34,0.35,0.36,0.37,0.42,0.41,0.47,0.51,0.57,0.57,0.56,0.6,0.48,0.58,0.61,0.59,0.64,0.61,0.89,0.99,0.99]},{"source":"kalshi","id":"KXHIGHCHI-26MAY30-B70.5","event_id":"KXHIGHCHI-26MAY30","slug":"KXHIGHCHI-26MAY30-B70.5","question":"Will the high temp in Chicago be 70-71° on May 30, 2026?","group_item_title":"70° to 71°","description":"If the highest temperature recorded at Chicago Midway, IL for May 30, 2026, is between 70-71° 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":"2026-05-29T14:00:00Z","end_date":"2026-06-06T14:00:00Z","closed_time":"2026-05-31T05:59:00Z","volume":19009.45,"volume_24hr":18010.13,"prob_24h_change":-0.13999999999999999,"volume_24h_change":17006.81,"normalized_vol_24hr":35.58067321777344,"normalized_volume":31.498519897460938,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-30T21:41:36.720670Z","fetched_at":"2026-05-30T21:40:51.989889Z","added_at":"2026-05-29T14:04:03.034521Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-may-30-2026/kxhighchi-26may30","event_title":"Highest temperature in Chicago on May 30, 2026?","chart_24h":[0.15,0.13,0.13,0.1,0.17,0.18,0.18,0.16,0.13,0.17,0.16,0.15,0.15,0.11,0.1,0.09,0.09,0.08,0.09,0.09,0.06,0.07,0.02,0.02,0.02,0.02,0.03,0.01,0.03,0.01,0.01,0.01,0.01,0.01,0.01]},{"source":"kalshi","id":"KXHIGHCHI-26MAY30-B72.5","event_id":"KXHIGHCHI-26MAY30","slug":"KXHIGHCHI-26MAY30-B72.5","question":"Will the high temp in Chicago be 72-73° on May 30, 2026?","group_item_title":"72° to 73°","description":"If the highest temperature recorded at Chicago Midway, IL for May 30, 2026, is between 72-73° 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":"2026-05-29T14:00:00Z","end_date":"2026-06-06T14:00:00Z","closed_time":"2026-05-31T05:59:00Z","volume":24823.59,"volume_24hr":24175.27,"prob_24h_change":-0.31,"volume_24h_change":23507.05,"normalized_vol_24hr":37.750675201416016,"normalized_volume":33.22779846191406,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-30T21:41:36.720670Z","fetched_at":"2026-05-30T21:40:51.989889Z","added_at":"2026-05-29T14:04:03.034521Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-may-30-2026/kxhighchi-26may30","event_title":"Highest temperature in Chicago on May 30, 2026?","chart_24h":[0.32,0.3,0.28,0.3,0.33,0.36,0.33,0.31,0.26,0.26,0.34,0.29,0.28,0.34,0.37,0.37,0.34,0.3,0.31,0.33,0.3,0.26,0.12,0.09,0.09,0.12,0.11,0.12,0.13,0.1,0.31,0.31,0.08,0.01,0.01]},{"source":"kalshi","id":"KXHIGHCHI-26MAY30-B76.5","event_id":"KXHIGHCHI-26MAY30","slug":"KXHIGHCHI-26MAY30-B76.5","question":"Will the high temp in Chicago be 76-77° on May 30, 2026?","group_item_title":"76° to 77°","description":"If the highest temperature recorded at Chicago Midway, IL for May 30, 2026, is between 76-77° 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":"2026-05-29T14:00:00Z","end_date":"2026-06-06T14:00:00Z","closed_time":"2026-05-31T05:59:00Z","volume":31760.27,"volume_24hr":30879.69,"prob_24h_change":-0.09000000000000001,"volume_24h_change":29731.079999999998,"normalized_vol_24hr":39.603790283203125,"normalized_volume":34.865699768066406,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-30T21:41:36.720670Z","fetched_at":"2026-05-30T21:40:51.989889Z","added_at":"2026-05-29T14:04:03.034521Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-may-30-2026/kxhighchi-26may30","event_title":"Highest temperature in Chicago on May 30, 2026?","chart_24h":[0.1,0.11,0.12,0.08,0.07,0.08,0.12,0.13,0.17,0.13,0.2,0.18,0.13,0.16,0.14,0.13,0.14,0.17,0.15,0.12,0.14,0.14,0.22,0.25,0.27,0.24,0.35,0.24,0.16,0.25,0.03,0.07,0.01,0.01,0.01]},{"source":"kalshi","id":"KXHIGHCHI-26MAY30-T70","event_id":"KXHIGHCHI-26MAY30","slug":"KXHIGHCHI-26MAY30-T70","question":"Will the high temp in Chicago be <70° on May 30, 2026?","group_item_title":"69° or below","description":"If the highest temperature recorded at Chicago Midway, IL for May 30, 2026, is less than 70° 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":"2026-05-29T14:00:00Z","end_date":"2026-06-06T14:00:00Z","closed_time":"2026-05-31T05:59:00Z","volume":11721.86,"volume_24hr":10853.13,"prob_24h_change":-0.04,"volume_24h_change":10068.91,"normalized_vol_24hr":31.997774124145508,"normalized_volume":28.483257293701172,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-30T21:41:36.720670Z","fetched_at":"2026-05-30T21:40:51.989889Z","added_at":"2026-05-29T14:04:03.034521Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-may-30-2026/kxhighchi-26may30","event_title":"Highest temperature in Chicago on May 30, 2026?","chart_24h":[0.05,0.05,0.05,0.05,0.03,0.06,0.02,0.07,0.04,0.05,0.06,0.06,0.05,0.04,0.03,0.03,0.03,0.02,0.02,0.02,0.01,0.01,0.01,0.01,0.02,0.01,0.01,0.01,0.01,0.01,0.01,0.01,0.01,0.01,0.01]},{"source":"kalshi","id":"KXHIGHCHI-26MAY30-T77","event_id":"KXHIGHCHI-26MAY30","slug":"KXHIGHCHI-26MAY30-T77","question":"Will the high temp in Chicago be >77° on May 30, 2026?","group_item_title":"78° or above","description":"If the highest temperature recorded at Chicago Midway, IL for May 30, 2026, is greater than 77° 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":"2026-05-29T14:00:00Z","end_date":"2026-06-06T14:00:00Z","closed_time":"2026-05-31T05:59:00Z","volume":22644.35,"volume_24hr":21587.58,"prob_24h_change":-0.04,"volume_24h_change":20323.81,"normalized_vol_24hr":36.9085807800293,"normalized_volume":32.627159118652344,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-30T21:41:36.720670Z","fetched_at":"2026-05-30T21:40:51.989889Z","added_at":"2026-05-29T14:04:03.034521Z","url":"https://kalshi.com/markets/kxhighchi/highest-temperature-in-chicago-on-may-30-2026/kxhighchi-26may30","event_title":"Highest temperature in Chicago on May 30, 2026?","chart_24h":[0.05,0.04,0.04,0.03,0.04,0.07,0.07,0.08,0.05,0.03,0.02,0.05,0.03,0.03,0.03,0.03,0.04,0.02,0.02,0.03,0.04,0.03,0.03,0.02,0.02,0.02,0.01,0.01,0.01,0.01,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHCHI-26MAY30","as_of":"2026-05-30T21:42:47.734789Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Chicago on May 30, 2026?\" — top market at 1% probability across 6 outcomes","source_url":null}}