{"source":"kalshi","id":"KXHIGHTBOS-26AUG28","ticker":"KXHIGHTBOS-26AUG28","slug":"KXHIGHTBOS-26AUG28","title":"Highest temperature in Boston on Aug 28, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-27T14:00:00Z","end_date":"2026-09-04T14:00:00Z","closed_time":null,"volume":1242.22,"volume_24hr":1236.88,"volume_24h_change":null,"normalized_vol_24hr":18.30780029296875,"normalized_volume":13.931028366088867,"liquidity":null,"open_interest":1103.59,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"81° to 82°","top_outcome_probability":0.39,"top_outcome_prob_24h_change":0.39,"top_outcome_volume_24h_change":231.11,"updated_at":"2026-08-28T04:36:31.185008Z","fetched_at":"2026-08-28T04:36:31.185008Z","added_at":"2026-08-27T14:11:54.603251Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-28-2026/kxhightbos-26aug28","chart_24h":[19.0,23.19,31.19,31.19,39.19,45.19,59.19,504.04999999999995,508.04999999999995,584.05,598.06,613.06,627.06,639.06,653.06,675.58,857.38,915.03,972.13,1071.13,1215.88,1229.88],"markets":[{"source":"kalshi","id":"KXHIGHTBOS-26AUG28-B81.5","event_id":"KXHIGHTBOS-26AUG28","slug":"KXHIGHTBOS-26AUG28-B81.5","question":"Will the maximum temperature be 81-82° on Aug 28, 2026?","group_item_title":"81° to 82°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 28, 2026, is between 81-82° 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.\n\nReading weather data\nPreliminary Weather Company data may be subject to rounding and conversion differences from the final reported value.\nUse caution when interpreting preliminary Weather Company readings.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.39,0.61],"probability":0.39,"spread":0.06,"active":true,"closed":false,"start_date":"2026-08-27T14:00:00Z","end_date":"2026-09-04T14:00:00Z","closed_time":"2026-08-29T05:00:00Z","volume":235.12,"volume_24hr":231.11,"prob_24h_change":0.39,"volume_24h_change":231.11,"normalized_vol_24hr":11.79323959350586,"normalized_volume":9.295116424560547,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-28T04:37:43.736873Z","fetched_at":"2026-08-28T04:36:31.548362Z","added_at":"2026-08-27T14:11:54.750435Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-28-2026/kxhightbos-26aug28","event_title":"Highest temperature in Boston on Aug 28, 2026?","chart_24h":[0.0,0.31,0.31,0.3,0.3,0.27,0.31,0.29,0.3,0.27,0.27,0.29,0.27,0.28,0.3,0.28,0.3,0.3,0.3,0.3]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG28-B83.5","event_id":"KXHIGHTBOS-26AUG28","slug":"KXHIGHTBOS-26AUG28-B83.5","question":"Will the maximum temperature be 83-84° on Aug 28, 2026?","group_item_title":"83° to 84°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 28, 2026, is between 83-84° 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.\n\nReading weather data\nPreliminary Weather Company data may be subject to rounding and conversion differences from the final reported value.\nUse caution when interpreting preliminary Weather Company readings.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.34,0.6599999999999999],"probability":0.34,"spread":0.009999999999999953,"active":true,"closed":false,"start_date":"2026-08-27T14:00:00Z","end_date":"2026-09-04T14:00:00Z","closed_time":"2026-08-29T05:00:00Z","volume":290.82,"volume_24hr":289.49,"prob_24h_change":0.34,"volume_24h_change":289.49,"normalized_vol_24hr":12.784716606140137,"normalized_volume":10.029635429382324,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-28T04:38:52.259430Z","fetched_at":"2026-08-28T04:36:31.548362Z","added_at":"2026-08-27T14:11:54.750435Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-28-2026/kxhightbos-26aug28","event_title":"Highest temperature in Boston on Aug 28, 2026?","chart_24h":[0.0,0.0,0.34,0.34,0.34,0.31,0.34,0.37,0.37,0.39,0.39,0.4,0.42,0.42,0.42,0.42,0.4,0.42,0.41,0.4,0.4,0.34]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG28-B79.5","event_id":"KXHIGHTBOS-26AUG28","slug":"KXHIGHTBOS-26AUG28-B79.5","question":"Will the maximum temperature be 79-80° on Aug 28, 2026?","group_item_title":"79° to 80°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 28, 2026, is between 79-80° 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.\n\nReading weather data\nPreliminary Weather Company data may be subject to rounding and conversion differences from the final reported value.\nUse caution when interpreting preliminary Weather Company readings.","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":"2026-08-27T14:00:00Z","end_date":"2026-09-04T14:00:00Z","closed_time":"2026-08-29T05:00:00Z","volume":523.25,"volume_24hr":523.25,"prob_24h_change":0.009999999999999995,"volume_24h_change":522.25,"normalized_vol_24hr":15.584986686706543,"normalized_volume":12.206781387329102,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-28T04:19:16.556025Z","fetched_at":"2026-08-28T04:16:06.502038Z","added_at":"2026-08-27T14:11:54.750435Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-28-2026/kxhightbos-26aug28","event_title":"Highest temperature in Boston on Aug 28, 2026?","chart_24h":[0.1,0.1,0.1,0.1,0.1,0.1,0.05,0.05,0.05,0.06,0.1,0.1,0.13,0.14,0.12,0.11]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG28-B85.5","event_id":"KXHIGHTBOS-26AUG28","slug":"KXHIGHTBOS-26AUG28-B85.5","question":"Will the maximum temperature be 85-86° on Aug 28, 2026?","group_item_title":"85° to 86°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 28, 2026, is between 85-86° 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.\n\nReading weather data\nPreliminary Weather Company data may be subject to rounding and conversion differences from the final reported value.\nUse caution when interpreting preliminary Weather Company readings.","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":"2026-08-27T14:00:00Z","end_date":"2026-09-04T14:00:00Z","closed_time":"2026-08-29T05:00:00Z","volume":60.22,"volume_24hr":60.22,"prob_24h_change":0.1,"volume_24h_change":60.22,"normalized_vol_24hr":6.728423118591309,"normalized_volume":5.269968509674072,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-28T03:23:33.697290Z","fetched_at":"2026-08-28T03:23:33.697290Z","added_at":"2026-08-27T14:11:54.750435Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-28-2026/kxhightbos-26aug28","event_title":"Highest temperature in Boston on Aug 28, 2026?","chart_24h":[0.0,0.16,0.16,0.16,0.12,0.07,0.07,0.07,0.07,0.1,0.1,0.1,0.1,0.08,0.1,0.11,0.1,0.1]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG28-T79","event_id":"KXHIGHTBOS-26AUG28","slug":"KXHIGHTBOS-26AUG28-T79","question":"Will the maximum temperature be <79° on Aug 28, 2026?","group_item_title":"78° or below","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 28, 2026, is less than 79° 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.\n\nReading weather data\nPreliminary Weather Company data may be subject to rounding and conversion differences from the final reported value.\nUse caution when interpreting preliminary Weather Company readings.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.08,0.92],"probability":0.08,"spread":0.039999999999999994,"active":true,"closed":false,"start_date":"2026-08-27T14:00:00Z","end_date":"2026-09-04T14:00:00Z","closed_time":"2026-08-29T05:00:00Z","volume":91.67,"volume_24hr":91.67,"prob_24h_change":-0.03,"volume_24h_change":90.67,"normalized_vol_24hr":8.152632713317871,"normalized_volume":6.3854660987854,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-28T04:36:31.548362Z","fetched_at":"2026-08-28T04:36:31.548362Z","added_at":"2026-08-27T14:11:54.750435Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-28-2026/kxhightbos-26aug28","event_title":"Highest temperature in Boston on Aug 28, 2026?","chart_24h":[0.11,0.11,0.11,0.11,0.11,0.06,0.06,0.06,0.06,0.06,0.06,0.06,0.05,0.06,0.07,0.07,0.08,0.08]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG28-T86","event_id":"KXHIGHTBOS-26AUG28","slug":"KXHIGHTBOS-26AUG28-T86","question":"Will the maximum temperature be >86° on Aug 28, 2026?","group_item_title":"87° or above","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 28, 2026, is greater than 86° 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.\n\nReading weather data\nPreliminary Weather Company data may be subject to rounding and conversion differences from the final reported value.\nUse caution when interpreting preliminary Weather Company readings.","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":"2026-08-27T14:00:00Z","end_date":"2026-09-04T14:00:00Z","closed_time":"2026-08-29T05:00:00Z","volume":41.14,"volume_24hr":41.14,"prob_24h_change":-0.05,"volume_24h_change":24.14,"normalized_vol_24hr":5.56236457824707,"normalized_volume":4.356665134429932,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-28T04:16:06.502038Z","fetched_at":"2026-08-28T04:16:06.502038Z","added_at":"2026-08-27T14:11:54.750435Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-28-2026/kxhightbos-26aug28","event_title":"Highest temperature in Boston on Aug 28, 2026?","chart_24h":[0.07,0.07,0.07,0.07,0.07,0.03,0.03,0.03,0.03,0.03,0.03,0.03,0.02,0.02,0.02,0.02,0.02]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHTBOS-26AUG28","as_of":"2026-08-28T04:51:09.608161Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Boston on Aug 28, 2026?\" — top market at 11% probability across 6 outcomes","source_url":null}}