{"source":"kalshi","id":"KXHIGHTBOS-26AUG19","ticker":"KXHIGHTBOS-26AUG19","slug":"KXHIGHTBOS-26AUG19","title":"Highest temperature in Boston on Aug 19, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-18T14:00:00Z","end_date":"2026-08-26T14:00:00Z","closed_time":null,"volume":1830.98,"volume_24hr":1830.98,"volume_24h_change":null,"normalized_vol_24hr":19.558332443237305,"normalized_volume":15.577842712402344,"liquidity":null,"open_interest":1465.98,"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":0.38,"top_outcome_prob_24h_change":0.38,"top_outcome_volume_24h_change":96.0,"updated_at":"2026-08-18T23:25:25.046101Z","fetched_at":"2026-08-18T23:25:25.046101Z","added_at":"2026-08-18T14:16:45.616970Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-19-2026/kxhightbos-26aug19","chart_24h":[76.0,275.0,308.0,514.0,549.0,863.0,1477.0,1562.0,1583.0,1590.0,1611.0,1635.0,1739.0,1739.0],"markets":[{"source":"kalshi","id":"KXHIGHTBOS-26AUG19-B86.5","event_id":"KXHIGHTBOS-26AUG19","slug":"KXHIGHTBOS-26AUG19-B86.5","question":"Will the maximum temperature be 86-87° on Aug 19, 2026?","group_item_title":"86° to 87°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 19, 2026, is between 86-87° 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":[0.38,0.62],"probability":0.38,"spread":0.030000000000000027,"active":true,"closed":false,"start_date":"2026-08-18T14:00:00Z","end_date":"2026-08-26T14:00:00Z","closed_time":"2026-08-20T05:00:00Z","volume":96.0,"volume_24hr":96.0,"prob_24h_change":0.38,"volume_24h_change":96.0,"normalized_vol_24hr":7.577322483062744,"normalized_volume":6.5148844718933105,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-18T23:27:45.670332Z","fetched_at":"2026-08-18T23:25:25.147086Z","added_at":"2026-08-18T14:16:45.724505Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-19-2026/kxhightbos-26aug19","event_title":"Highest temperature in Boston on Aug 19, 2026?","chart_24h":[0.0,0.31,0.31,0.34,0.38,0.33,0.33,0.33,0.34,0.34,0.34,0.37,0.35,0.36]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG19-B84.5","event_id":"KXHIGHTBOS-26AUG19","slug":"KXHIGHTBOS-26AUG19-B84.5","question":"Will the maximum temperature be 84-85° on Aug 19, 2026?","group_item_title":"84° to 85°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 19, 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":[0.3,0.7],"probability":0.3,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-18T14:00:00Z","end_date":"2026-08-26T14:00:00Z","closed_time":"2026-08-20T05:00:00Z","volume":21.0,"volume_24hr":21.0,"prob_24h_change":-0.04999999999999999,"volume_24h_change":20.0,"normalized_vol_24hr":3.459380865097046,"normalized_volume":2.9743311405181885,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-18T23:27:45.670332Z","fetched_at":"2026-08-18T23:25:25.147086Z","added_at":"2026-08-18T14:16:45.724505Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-19-2026/kxhightbos-26aug19","event_title":"Highest temperature in Boston on Aug 19, 2026?","chart_24h":[0.35,0.35,0.35,0.31,0.31,0.31,0.3]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG19-B88.5","event_id":"KXHIGHTBOS-26AUG19","slug":"KXHIGHTBOS-26AUG19-B88.5","question":"Will the maximum temperature be 88-89° on Aug 19, 2026?","group_item_title":"88° to 89°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 19, 2026, is between 88-89° 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":[0.26,0.74],"probability":0.26,"spread":0.030000000000000027,"active":true,"closed":false,"start_date":"2026-08-18T14:00:00Z","end_date":"2026-08-26T14:00:00Z","closed_time":"2026-08-20T05:00:00Z","volume":128.98,"volume_24hr":128.98,"prob_24h_change":0.17,"volume_24h_change":127.97999999999999,"normalized_vol_24hr":8.577861785888672,"normalized_volume":7.37513542175293,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-18T23:27:45.670332Z","fetched_at":"2026-08-18T23:25:25.147086Z","added_at":"2026-08-18T14:16:45.724505Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-19-2026/kxhightbos-26aug19","event_title":"Highest temperature in Boston on Aug 19, 2026?","chart_24h":[0.09,0.09,0.09,0.09,0.09,0.14,0.14,0.15,0.15,0.15,0.26,0.27]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG19-T84","event_id":"KXHIGHTBOS-26AUG19","slug":"KXHIGHTBOS-26AUG19-T84","question":"Will the maximum temperature be <84° on Aug 19, 2026?","group_item_title":"83° or below","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 19, 2026, is less than 84° 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":[0.1,0.9],"probability":0.1,"spread":0.009999999999999995,"active":true,"closed":false,"start_date":"2026-08-18T14:00:00Z","end_date":"2026-08-26T14:00:00Z","closed_time":"2026-08-20T05:00:00Z","volume":194.0,"volume_24hr":194.0,"prob_24h_change":-0.15,"volume_24h_change":183.0,"normalized_vol_24hr":10.067089080810547,"normalized_volume":8.655553817749023,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-18T23:27:45.670332Z","fetched_at":"2026-08-18T23:25:25.147086Z","added_at":"2026-08-18T14:16:45.724505Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-19-2026/kxhightbos-26aug19","event_title":"Highest temperature in Boston on Aug 19, 2026?","chart_24h":[0.25,0.24,0.24,0.15,0.13,0.21,0.21,0.2,0.2,0.2,0.2,0.15,0.12]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG19-B90.5","event_id":"KXHIGHTBOS-26AUG19","slug":"KXHIGHTBOS-26AUG19-B90.5","question":"Will the maximum temperature be 90-91° on Aug 19, 2026?","group_item_title":"90° to 91°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 19, 2026, is between 90-91° 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":[0.02,0.98],"probability":0.02,"spread":0.009999999999999998,"active":true,"closed":false,"start_date":"2026-08-18T14:00:00Z","end_date":"2026-08-26T14:00:00Z","closed_time":"2026-08-20T05:00:00Z","volume":422.0,"volume_24hr":422.0,"prob_24h_change":-0.009999999999999998,"volume_24h_change":415.0,"normalized_vol_24hr":13.241032600402832,"normalized_volume":11.384469032287598,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-18T23:27:45.670332Z","fetched_at":"2026-08-18T23:25:25.147086Z","added_at":"2026-08-18T14:16:45.724505Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-19-2026/kxhightbos-26aug19","event_title":"Highest temperature in Boston on Aug 19, 2026?","chart_24h":[0.03,0.02,0.03,0.03,0.02,0.02,0.02,0.02,0.02]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG19-T91","event_id":"KXHIGHTBOS-26AUG19","slug":"KXHIGHTBOS-26AUG19-T91","question":"Will the maximum temperature be >91° on Aug 19, 2026?","group_item_title":"92° or above","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 19, 2026, is greater than 91° 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":"2026-08-18T14:00:00Z","end_date":"2026-08-26T14:00:00Z","closed_time":"2026-08-20T05:00:00Z","volume":969.0,"volume_24hr":969.0,"prob_24h_change":-0.01,"volume_24h_change":913.0,"normalized_vol_24hr":17.124736785888672,"normalized_volume":14.723628044128418,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-18T22:12:09.442353Z","fetched_at":"2026-08-18T22:12:09.442353Z","added_at":"2026-08-18T14:16:45.724505Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-19-2026/kxhightbos-26aug19","event_title":"Highest temperature in Boston on Aug 19, 2026?","chart_24h":[0.02,0.02,0.03,0.03,0.02,0.02,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHTBOS-26AUG19","as_of":"2026-08-18T23:31:58.678789Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Boston on Aug 19, 2026?\" — top market at 1% probability across 6 outcomes","source_url":null}}