{"source":"kalshi","id":"KXHIGHTBOS-26AUG18","ticker":"KXHIGHTBOS-26AUG18","slug":"KXHIGHTBOS-26AUG18","title":"Highest temperature in Boston on Aug 18, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-17T14:00:00Z","end_date":"2026-08-25T14:00:00Z","closed_time":null,"volume":2668.29,"volume_24hr":2668.29,"volume_24h_change":null,"normalized_vol_24hr":22.445213317871094,"normalized_volume":17.20027732849121,"liquidity":null,"open_interest":2344.16,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"78° or below","top_outcome_probability":0.78,"top_outcome_prob_24h_change":0.020000000000000018,"top_outcome_volume_24h_change":785.1,"updated_at":"2026-08-17T21:44:38.221691Z","fetched_at":"2026-08-17T21:44:38.221691Z","added_at":"2026-08-17T14:07:25.857023Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-18-2026/kxhightbos-26aug18","chart_24h":[361.0,560.88,788.88,935.88,1566.88,1612.88,1771.88,2085.76,2362.76,2391.76,2588.57],"markets":[{"source":"kalshi","id":"KXHIGHTBOS-26AUG18-T79","event_id":"KXHIGHTBOS-26AUG18","slug":"KXHIGHTBOS-26AUG18-T79","question":"Will the maximum temperature be <79° on Aug 18, 2026?","group_item_title":"78° or below","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 18, 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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.78,0.21999999999999997],"probability":0.78,"spread":0.040000000000000036,"active":true,"closed":false,"start_date":"2026-08-17T14:00:00Z","end_date":"2026-08-25T14:00:00Z","closed_time":"2026-08-19T05:00:00Z","volume":844.1,"volume_24hr":844.1,"prob_24h_change":0.020000000000000018,"volume_24h_change":785.1,"normalized_vol_24hr":17.73552703857422,"normalized_volume":14.139333724975586,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-17T21:45:53.199447Z","fetched_at":"2026-08-17T21:44:38.280064Z","added_at":"2026-08-17T14:07:25.934515Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-18-2026/kxhightbos-26aug18","event_title":"Highest temperature in Boston on Aug 18, 2026?","chart_24h":[0.76,0.72,0.72,0.72,0.72,0.69,0.7,0.67,0.68,0.7,0.79]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG18-B79.5","event_id":"KXHIGHTBOS-26AUG18","slug":"KXHIGHTBOS-26AUG18-B79.5","question":"Will the maximum temperature be 79-80° on Aug 18, 2026?","group_item_title":"79° to 80°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 18, 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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.21,0.79],"probability":0.21,"spread":0.01999999999999999,"active":true,"closed":false,"start_date":"2026-08-17T14:00:00Z","end_date":"2026-08-25T14:00:00Z","closed_time":"2026-08-19T05:00:00Z","volume":168.31,"volume_24hr":168.31,"prob_24h_change":0.21,"volume_24h_change":168.31,"normalized_vol_24hr":10.283060073852539,"normalized_volume":8.197986602783203,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-17T21:44:38.280064Z","fetched_at":"2026-08-17T21:44:38.280064Z","added_at":"2026-08-17T14:07:25.934515Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-18-2026/kxhightbos-26aug18","event_title":"Highest temperature in Boston on Aug 18, 2026?","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.17,0.18,0.18,0.18,0.18,0.21]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG18-B81.5","event_id":"KXHIGHTBOS-26AUG18","slug":"KXHIGHTBOS-26AUG18-B81.5","question":"Will the maximum temperature be 81-82° on Aug 18, 2026?","group_item_title":"81° to 82°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 18, 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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.04,0.96],"probability":0.04,"spread":0.02,"active":true,"closed":false,"start_date":"2026-08-17T14:00:00Z","end_date":"2026-08-25T14:00:00Z","closed_time":"2026-08-19T05:00:00Z","volume":320.0,"volume_24hr":320.0,"prob_24h_change":0.04,"volume_24h_change":320.0,"normalized_vol_24hr":13.006579399108887,"normalized_volume":10.369263648986816,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-17T20:05:30.095889Z","fetched_at":"2026-08-17T20:03:52.834249Z","added_at":"2026-08-17T14:07:25.934515Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-18-2026/kxhightbos-26aug18","event_title":"Highest temperature in Boston on Aug 18, 2026?","chart_24h":[0.0,0.02,0.02,0.02,0.03,0.04]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG18-B83.5","event_id":"KXHIGHTBOS-26AUG18","slug":"KXHIGHTBOS-26AUG18-B83.5","question":"Will the maximum temperature be 83-84° on Aug 18, 2026?","group_item_title":"83° to 84°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 18, 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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.04,0.96],"probability":0.04,"spread":0.019999999999999997,"active":true,"closed":false,"start_date":"2026-08-17T14:00:00Z","end_date":"2026-08-25T14:00:00Z","closed_time":"2026-08-19T05:00:00Z","volume":275.0,"volume_24hr":275.0,"prob_24h_change":0.010000000000000002,"volume_24h_change":274.0,"normalized_vol_24hr":12.334715843200684,"normalized_volume":9.833632469177246,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-17T21:29:40.863940Z","fetched_at":"2026-08-17T21:29:40.863940Z","added_at":"2026-08-17T14:07:25.934515Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-18-2026/kxhightbos-26aug18","event_title":"Highest temperature in Boston on Aug 18, 2026?","chart_24h":[0.03,0.02,0.02,0.02,0.02,0.02,0.04]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG18-B85.5","event_id":"KXHIGHTBOS-26AUG18","slug":"KXHIGHTBOS-26AUG18-B85.5","question":"Will the maximum temperature be 85-86° on Aug 18, 2026?","group_item_title":"85° to 86°","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 18, 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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.019999999999999997,"active":true,"closed":false,"start_date":"2026-08-17T14:00:00Z","end_date":"2026-08-25T14:00:00Z","closed_time":"2026-08-19T05:00:00Z","volume":426.0,"volume_24hr":426.0,"prob_24h_change":-0.019999999999999997,"volume_24h_change":423.0,"normalized_vol_24hr":14.324475288391113,"normalized_volume":11.419933319091797,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-17T19:37:52.060724Z","fetched_at":"2026-08-17T19:35:39.993856Z","added_at":"2026-08-17T14:07:25.934515Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-18-2026/kxhightbos-26aug18","event_title":"Highest temperature in Boston on Aug 18, 2026?","chart_24h":[0.03,0.02,0.02,0.02,0.02,0.02,0.01]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG18-T86","event_id":"KXHIGHTBOS-26AUG18","slug":"KXHIGHTBOS-26AUG18-T86","question":"Will the maximum temperature be >86° on Aug 18, 2026?","group_item_title":"87° or above","description":"If the maximum temperature recorded at Boston (CLIBOS) for Aug 18, 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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.02,"active":true,"closed":false,"start_date":"2026-08-17T14:00:00Z","end_date":"2026-08-25T14:00:00Z","closed_time":"2026-08-19T05:00:00Z","volume":634.88,"volume_24hr":634.88,"prob_24h_change":-0.01,"volume_24h_change":336.88,"normalized_vol_24hr":16.270030975341797,"normalized_volume":12.970992088317871,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-17T21:29:40.863940Z","fetched_at":"2026-08-17T21:29:40.863940Z","added_at":"2026-08-17T14:07:25.934515Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-18-2026/kxhightbos-26aug18","event_title":"Highest temperature in Boston on Aug 18, 2026?","chart_24h":[0.02,0.01,0.02,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHTBOS-26AUG18","as_of":"2026-08-17T21:47:49.062489Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Boston on Aug 18, 2026?\" — top market at 78% probability across 6 outcomes","source_url":null}}