{"source":"kalshi","id":"KXHIGHTBOS-26JUL29","ticker":"KXHIGHTBOS-26JUL29","slug":"KXHIGHTBOS-26JUL29","title":"Highest temperature in Boston on Jul 29, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-28T14:00:00Z","end_date":"2026-08-05T14:00:00Z","closed_time":null,"volume":2554.0,"volume_24hr":2253.56,"volume_24h_change":null,"normalized_vol_24hr":21.252540588378906,"normalized_volume":13.755025863647461,"liquidity":null,"open_interest":1269.93,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"70° to 71°","top_outcome_probability":0.21,"top_outcome_prob_24h_change":0.21,"top_outcome_volume_24h_change":268.28,"updated_at":"2026-07-28T19:48:04.986389Z","fetched_at":"2026-07-28T19:48:04.986389Z","added_at":"2026-07-28T14:04:15.852128Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-jul-29-2026/kxhightbos-26jul29","chart_24h":[0.0,420.45,645.1899999999999,884.3,1327.66,1360.63,1408.95,1604.57,2049.8],"markets":[{"source":"kalshi","id":"KXHIGHTBOS-26JUL29-B70.5","event_id":"KXHIGHTBOS-26JUL29","slug":"KXHIGHTBOS-26JUL29-B70.5","question":"Will the maximum temperature be 70-71° on Jul 29, 2026?","group_item_title":"70° to 71°","description":"If the maximum temperature recorded at Boston for Jul 29, 2026, is between 70-71° 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":[0.21,0.79],"probability":0.21,"spread":0.009999999999999981,"active":true,"closed":false,"start_date":"2026-07-28T14:00:00Z","end_date":"2026-08-05T14:00:00Z","closed_time":"2026-07-30T05:00:00Z","volume":268.28,"volume_24hr":268.28,"prob_24h_change":0.21,"volume_24h_change":268.28,"normalized_vol_24hr":12.257491111755371,"normalized_volume":8.14896011352539,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T19:48:05.345194Z","fetched_at":"2026-07-28T19:48:05.345194Z","added_at":"2026-07-28T14:04:15.923551Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-jul-29-2026/kxhightbos-26jul29","event_title":"Highest temperature in Boston on Jul 29, 2026?","chart_24h":[0.0,0.2,0.25,0.18,0.19,0.19,0.19,0.19,0.22]},{"source":"kalshi","id":"KXHIGHTBOS-26JUL29-B72.5","event_id":"KXHIGHTBOS-26JUL29","slug":"KXHIGHTBOS-26JUL29-B72.5","question":"Will the maximum temperature be 72-73° on Jul 29, 2026?","group_item_title":"72° to 73°","description":"If the maximum temperature recorded at Boston for Jul 29, 2026, is between 72-73° 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":[0.21,0.79],"probability":0.21,"spread":0.01999999999999999,"active":true,"closed":false,"start_date":"2026-07-28T14:00:00Z","end_date":"2026-08-05T14:00:00Z","closed_time":"2026-07-30T05:00:00Z","volume":793.3,"volume_24hr":492.86,"prob_24h_change":0.21,"volume_24h_change":492.86,"normalized_vol_24hr":15.058563232421875,"normalized_volume":11.604009628295898,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T19:49:05.705912Z","fetched_at":"2026-07-28T19:48:05.345194Z","added_at":"2026-07-28T14:04:15.923551Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-jul-29-2026/kxhightbos-26jul29","event_title":"Highest temperature in Boston on Jul 29, 2026?","chart_24h":[0.0,0.25,0.29,0.3,0.35,0.31,0.29,0.3,0.24]},{"source":"kalshi","id":"KXHIGHTBOS-26JUL29-B74.5","event_id":"KXHIGHTBOS-26JUL29","slug":"KXHIGHTBOS-26JUL29-B74.5","question":"Will the maximum temperature be 74-75° on Jul 29, 2026?","group_item_title":"74° to 75°","description":"If the maximum temperature recorded at Boston for Jul 29, 2026, is between 74-75° 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":[0.21,0.79],"probability":0.21,"spread":0.009999999999999981,"active":true,"closed":false,"start_date":"2026-07-28T14:00:00Z","end_date":"2026-08-05T14:00:00Z","closed_time":"2026-07-30T05:00:00Z","volume":778.47,"volume_24hr":778.47,"prob_24h_change":0.21,"volume_24h_change":778.47,"normalized_vol_24hr":17.356111526489258,"normalized_volume":11.53859806060791,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T19:35:42.829365Z","fetched_at":"2026-07-28T19:34:37.305896Z","added_at":"2026-07-28T14:04:15.923551Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-jul-29-2026/kxhightbos-26jul29","event_title":"Highest temperature in Boston on Jul 29, 2026?","chart_24h":[0.0,0.24,0.23,0.29,0.28,0.26,0.29,0.28,0.22]},{"source":"kalshi","id":"KXHIGHTBOS-26JUL29-B68.5","event_id":"KXHIGHTBOS-26JUL29","slug":"KXHIGHTBOS-26JUL29-B68.5","question":"Will the maximum temperature be 68-69° on Jul 29, 2026?","group_item_title":"68° to 69°","description":"If the maximum temperature recorded at Boston for Jul 29, 2026, is between 68-69° 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":[0.11,0.89],"probability":0.11,"spread":0.009999999999999995,"active":true,"closed":false,"start_date":"2026-07-28T14:00:00Z","end_date":"2026-08-05T14:00:00Z","closed_time":"2026-07-30T05:00:00Z","volume":138.63,"volume_24hr":138.63,"prob_24h_change":0.11,"volume_24h_change":138.63,"normalized_vol_24hr":9.549092292785645,"normalized_volume":6.348376750946045,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T19:35:42.829365Z","fetched_at":"2026-07-28T19:34:37.305896Z","added_at":"2026-07-28T14:04:15.923551Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-jul-29-2026/kxhightbos-26jul29","event_title":"Highest temperature in Boston on Jul 29, 2026?","chart_24h":[0.0,0.12,0.14,0.14,0.13,0.13,0.13,0.13]},{"source":"kalshi","id":"KXHIGHTBOS-26JUL29-T75","event_id":"KXHIGHTBOS-26JUL29","slug":"KXHIGHTBOS-26JUL29-T75","question":"Will the maximum temperature be >75° on Jul 29, 2026?","group_item_title":"76° or above","description":"If the maximum temperature recorded at Boston for Jul 29, 2026, is greater than 75° 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":[0.09,0.91],"probability":0.09,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-07-28T14:00:00Z","end_date":"2026-08-05T14:00:00Z","closed_time":"2026-07-30T05:00:00Z","volume":258.2,"volume_24hr":258.2,"prob_24h_change":0.09,"volume_24h_change":258.2,"normalized_vol_24hr":12.090917587280273,"normalized_volume":8.038220405578613,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T19:34:37.305896Z","fetched_at":"2026-07-28T19:34:37.305896Z","added_at":"2026-07-28T14:04:15.923551Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-jul-29-2026/kxhightbos-26jul29","event_title":"Highest temperature in Boston on Jul 29, 2026?","chart_24h":[0.0,0.04,0.08,0.1,0.15,0.08,0.08,0.09,0.09]},{"source":"kalshi","id":"KXHIGHTBOS-26JUL29-T68","event_id":"KXHIGHTBOS-26JUL29","slug":"KXHIGHTBOS-26JUL29-T68","question":"Will the maximum temperature be <68° on Jul 29, 2026?","group_item_title":"67° or below","description":"If the maximum temperature recorded at Boston for Jul 29, 2026, is less than 68° 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":[0.04,0.96],"probability":0.04,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2026-07-28T14:00:00Z","end_date":"2026-08-05T14:00:00Z","closed_time":"2026-07-30T05:00:00Z","volume":317.12,"volume_24hr":317.12,"prob_24h_change":-0.51,"volume_24h_change":317.12,"normalized_vol_24hr":12.998578071594238,"normalized_volume":8.641645431518555,"liquidity":null,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-28T17:25:34.213101Z","fetched_at":"2026-07-28T17:24:16.358492Z","added_at":"2026-07-28T14:04:15.923551Z","url":"https://kalshi.com/markets/kxhightbos/highest-temperature-in-boston-on-jul-29-2026/kxhightbos-26jul29","event_title":"Highest temperature in Boston on Jul 29, 2026?","chart_24h":[0.55,0.2,0.04,0.04,0.04,0.04]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHTBOS-26JUL29","as_of":"2026-07-28T20:00:40.167260Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Boston on Jul 29, 2026?\" — top market at 21% probability across 6 outcomes","source_url":null}}