{"source":"kalshi","id":"KXHIGHTBOS-26AUG10","ticker":"KXHIGHTBOS-26AUG10","slug":"KXHIGHTBOS-26AUG10","title":"Highest temperature in Boston on Aug 10, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-09T14:00:00Z","end_date":"2026-08-17T14:00:00Z","closed_time":null,"volume":2316.61,"volume_24hr":2316.61,"volume_24h_change":null,"normalized_vol_24hr":20.953052520751953,"normalized_volume":16.526538848876953,"liquidity":null,"open_interest":1807.59,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"88° to 89°","top_outcome_probability":0.35,"top_outcome_prob_24h_change":0.35,"top_outcome_volume_24h_change":437.08,"updated_at":"2026-08-10T00:25:22.000062Z","fetched_at":"2026-08-10T00:25:22.000062Z","added_at":"2026-08-09T14:10:32.380687Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-10-2026/kxhightbos-26aug10","chart_24h":[16.0,319.77000000000004,463.97,535.27,559.27,559.92,568.92,593.23,748.77,769.78,934.34,991.34,1067.98,1086.98,1813.83,1922.1599999999999,2213.7799999999997,2254.7799999999997,2316.61],"markets":[{"source":"kalshi","id":"KXHIGHTBOS-26AUG10-B88.5","event_id":"KXHIGHTBOS-26AUG10","slug":"KXHIGHTBOS-26AUG10-B88.5","question":"Will the maximum temperature be 88-89° on Aug 10, 2026?","group_item_title":"88° to 89°","description":"If the maximum temperature recorded at Boston for Aug 10, 2026, is between 88-89° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIBOS can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=box, navigating to the \"Observed Weather\" tab, and choosing the location \"Boston (Logan Airport), MA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\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 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":[0.35,0.65],"probability":0.35,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-09T14:00:00Z","end_date":"2026-08-17T14:00:00Z","closed_time":"2026-08-11T05:00:00Z","volume":437.08,"volume_24hr":437.08,"prob_24h_change":0.35,"volume_24h_change":437.08,"normalized_vol_24hr":15.27721118927002,"normalized_volume":11.516739845275879,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-10T00:28:26.210400Z","fetched_at":"2026-08-10T00:25:22.426093Z","added_at":"2026-08-09T14:10:32.552365Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-10-2026/kxhightbos-26aug10","event_title":"Highest temperature in Boston on Aug 10, 2026?","chart_24h":[0.0,0.31,0.31,0.31,0.27,0.3,0.3,0.32,0.32,0.45,0.41,0.41,0.41,0.35]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG10-B86.5","event_id":"KXHIGHTBOS-26AUG10","slug":"KXHIGHTBOS-26AUG10-B86.5","question":"Will the maximum temperature be 86-87° on Aug 10, 2026?","group_item_title":"86° to 87°","description":"If the maximum temperature recorded at Boston for Aug 10, 2026, is between 86-87° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIBOS can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=box, navigating to the \"Observed Weather\" tab, and choosing the location \"Boston (Logan Airport), MA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\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 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":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-09T14:00:00Z","end_date":"2026-08-17T14:00:00Z","closed_time":"2026-08-11T05:00:00Z","volume":165.58,"volume_24hr":165.58,"prob_24h_change":0.19,"volume_24h_change":165.58,"normalized_vol_24hr":10.806024551391602,"normalized_volume":8.14613151550293,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-10T00:25:22.426093Z","fetched_at":"2026-08-10T00:25:22.426093Z","added_at":"2026-08-09T14:10:32.552365Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-10-2026/kxhightbos-26aug10","event_title":"Highest temperature in Boston on Aug 10, 2026?","chart_24h":[0.08,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.11,0.17,0.27,0.27,0.27]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG10-B90.5","event_id":"KXHIGHTBOS-26AUG10","slug":"KXHIGHTBOS-26AUG10-B90.5","question":"Will the maximum temperature be 90-91° on Aug 10, 2026?","group_item_title":"90° to 91°","description":"If the maximum temperature recorded at Boston for Aug 10, 2026, is between 90-91° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIBOS can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=box, navigating to the \"Observed Weather\" tab, and choosing the location \"Boston (Logan Airport), MA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\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 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":[0.2,0.8],"probability":0.2,"spread":0.009999999999999981,"active":true,"closed":false,"start_date":"2026-08-09T14:00:00Z","end_date":"2026-08-17T14:00:00Z","closed_time":"2026-08-11T05:00:00Z","volume":521.38,"volume_24hr":521.38,"prob_24h_change":0.2,"volume_24h_change":521.38,"normalized_vol_24hr":16.174091339111328,"normalized_volume":12.192853927612305,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-09T23:15:25.409591Z","fetched_at":"2026-08-09T23:13:59.288619Z","added_at":"2026-08-09T14:10:32.552365Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-10-2026/kxhightbos-26aug10","event_title":"Highest temperature in Boston on Aug 10, 2026?","chart_24h":[0.0,0.32,0.32,0.32,0.34,0.35,0.35,0.36,0.36,0.32,0.31,0.3,0.2]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG10-T86","event_id":"KXHIGHTBOS-26AUG10","slug":"KXHIGHTBOS-26AUG10-T86","question":"Will the maximum temperature be <86° on Aug 10, 2026?","group_item_title":"85° or below","description":"If the maximum temperature recorded at Boston for Aug 10, 2026, is less than 86° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIBOS can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=box, navigating to the \"Observed Weather\" tab, and choosing the location \"Boston (Logan Airport), MA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\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 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":[0.18,0.8200000000000001],"probability":0.18,"spread":0.009999999999999981,"active":true,"closed":false,"start_date":"2026-08-09T14:00:00Z","end_date":"2026-08-17T14:00:00Z","closed_time":"2026-08-11T05:00:00Z","volume":319.31,"volume_24hr":319.31,"prob_24h_change":0.15,"volume_24h_change":319.31,"normalized_vol_24hr":13.744803428649902,"normalized_volume":10.361533164978027,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-10T00:59:26.708454Z","fetched_at":"2026-08-10T00:59:26.708454Z","added_at":"2026-08-09T14:10:32.552365Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-10-2026/kxhightbos-26aug10","event_title":"Highest temperature in Boston on Aug 10, 2026?","chart_24h":[0.03,0.04,0.04,0.04,0.04,0.04,0.07,0.07,0.11,0.11,0.15,0.16,0.18,0.18]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG10-B92.5","event_id":"KXHIGHTBOS-26AUG10","slug":"KXHIGHTBOS-26AUG10-B92.5","question":"Will the maximum temperature be 92-93° on Aug 10, 2026?","group_item_title":"92° to 93°","description":"If the maximum temperature recorded at Boston for Aug 10, 2026, is between 92-93° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIBOS can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=box, navigating to the \"Observed Weather\" tab, and choosing the location \"Boston (Logan Airport), MA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\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 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":[0.03,0.97],"probability":0.03,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2026-08-09T14:00:00Z","end_date":"2026-08-17T14:00:00Z","closed_time":"2026-08-11T05:00:00Z","volume":572.06,"volume_24hr":572.06,"prob_24h_change":-0.2,"volume_24h_change":572.06,"normalized_vol_24hr":16.656234741210938,"normalized_volume":12.556318283081055,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-10T00:28:26.210400Z","fetched_at":"2026-08-10T00:25:22.426093Z","added_at":"2026-08-09T14:10:32.552365Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-10-2026/kxhightbos-26aug10","event_title":"Highest temperature in Boston on Aug 10, 2026?","chart_24h":[0.23,0.14,0.14,0.15,0.12,0.12,0.12,0.13,0.13,0.13,0.1,0.05,0.05,0.03]},{"source":"kalshi","id":"KXHIGHTBOS-26AUG10-T93","event_id":"KXHIGHTBOS-26AUG10","slug":"KXHIGHTBOS-26AUG10-T93","question":"Will the maximum temperature be >93° on Aug 10, 2026?","group_item_title":"94° or above","description":"If the maximum temperature recorded at Boston for Aug 10, 2026, is greater than 93° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\n\nData for CLIBOS can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=box, navigating to the \"Observed Weather\" tab, and choosing the location \"Boston (Logan Airport), MA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\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 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":[0.02,0.98],"probability":0.02,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-09T14:00:00Z","end_date":"2026-08-17T14:00:00Z","closed_time":"2026-08-11T05:00:00Z","volume":301.2,"volume_24hr":301.2,"prob_24h_change":-0.06999999999999999,"volume_24h_change":285.2,"normalized_vol_24hr":13.468889236450195,"normalized_volume":10.153534889221191,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-09T21:47:22.883750Z","fetched_at":"2026-08-09T21:43:47.428826Z","added_at":"2026-08-09T14:10:32.552365Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-aug-10-2026/kxhightbos-26aug10","event_title":"Highest temperature in Boston on Aug 10, 2026?","chart_24h":[0.09,0.09,0.07,0.06,0.06,0.06,0.06,0.04,0.04,0.03,0.02]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHTBOS-26AUG10","as_of":"2026-08-10T01:09:21.939433Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Boston on Aug 10, 2026?\" — top market at 3% probability across 6 outcomes","source_url":null}}