{"_meta":{"attribution":"Data aggregated by pdata.world (https://pdata.world) from 8 prediction-market venues; CC BY 4.0; source data © each venue.","canonical_url":"https://pdata.world/events/polymarket/1328303","as_of":"2026-11-07T09:03:43.852347Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Next US president's age at inauguration?\" — 4 markets; highest \"50+\" at 40% as of 2026-11-07 UTC. https://pdata.world/events/polymarket/1328303","source_url":"https://polymarket.com/event/next-us-president-age-at-inauguration"},"source":"polymarket","id":"1328303","ticker":"next-us-president-age-at-inauguration","slug":"next-us-president-age-at-inauguration","title":"Next US president's age at inauguration?","description":"This market will resolve to \"Yes\" if the next individual to be sworn in as President of the United States after Donald J. Trump is the listed age or older on the day on which they are sworn in. Otherwise, this market will resolve to \"No\".\n\nThe individual's age will be calculated on the day on which they are sworn in. A person will be considered to have advanced from one age to the next immediately upon the beginning of the calendar day of their day of birth.\n\nIn the event that no individual other than Donald J. Trump has been sworn in as President of the United States by March 31, 2029, 11:59 PM ET, this market will resolve to \"No\".\n\nThe resolution source for this market will be a consensus of official government sources and official public records; however, a consensus of credible sources may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/how-old-will-the-2028-presidential-nominee-be-wrcxdGYV8a7I.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/how-old-will-the-2028-presidential-nominee-be-wrcxdGYV8a7I.jpg","active":true,"closed":false,"start_date":"2026-11-07T00:06:59Z","end_date":"2029-01-21T04:59:00Z","closed_time":null,"volume":5610.988374999999,"volume_24hr":5630.988375,"volume_24h_change":null,"normalized_vol_24hr":26.310779571533203,"normalized_volume":16.907459259033203,"liquidity":10790.1225,"open_interest":1382.844172,"categories":["Politics","Elections"],"tags":[{"id":"2","slug":"politics","label":"Politics"},{"id":"144","slug":"elections","label":"Elections"},{"id":"1101","slug":"us-presidential-election","label":"US Election"},{"id":"106552","slug":"2028-election","label":"2028 Election"},{"id":"105794","slug":"2028-presidential-election","label":"2028 presidential election"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"50+","top_outcome_probability":0.405,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":4376.735233,"updated_at":"2026-11-07T08:58:06.960942Z","fetched_at":"2026-11-07T08:58:06.960942Z","added_at":"2026-11-07T00:37:38.544178Z","url":"https://polymarket.com/event/next-us-president-age-at-inauguration","chart_24h":[40.0,454.018889,4537.523252999999,4549.718375,5610.988375],"kind":"live","mutually_exclusive":false,"markets_total":4,"markets":[{"source":"polymarket","id":"6765308","event_id":"1328303","slug":"next-us-president-50-plus-years-old-at-inauguration","question":"Next US president 50+ years old at inauguration?","group_item_title":"50+","description":"This market will resolve to \"Yes\" if the next individual to be sworn in as President of the United States after Donald J. Trump is the listed age or older on the day on which they are sworn in. Otherwise, this market will resolve to \"No\".\n\nThe individual's age will be calculated on the day on which they are sworn in. A person will be considered to have advanced from one age to the next immediately upon the beginning of the calendar day of their day of birth.\n\nIn the event that no individual other than Donald J. Trump has been sworn in as President of the United States by March 31, 2029, 11:59 PM ET, this market will resolve to \"No\".\n\nThe resolution source for this market will be a consensus of official government sources and official public records; however, a consensus of credible sources may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/how-old-will-the-2028-presidential-nominee-be-wrcxdGYV8a7I.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/how-old-will-the-2028-presidential-nominee-be-wrcxdGYV8a7I.jpg","outcomes":["Yes","No"],"outcome_prices":[0.405,0.595],"probability":0.405,"spread":0.01,"active":true,"closed":false,"start_date":"2026-11-07T00:06:59Z","end_date":"2029-01-21T04:59:00Z","closed_time":null,"result":null,"volume":4356.735232999999,"volume_24hr":4376.735233,"prob_24h_change":0.0,"volume_24h_change":4376.735233,"normalized_vol_24hr":29.398788452148438,"normalized_volume":20.601837158203125,"liquidity":4667.6251,"categories":["Politics","Elections"],"countries":[],"updated_at":"2026-11-07T08:58:07.022330Z","fetched_at":"2026-11-07T08:58:07.022330Z","added_at":"2026-11-07T00:37:38.604312Z","url":"https://polymarket.com/event/next-us-president-age-at-inauguration/next-us-president-50-plus-years-old-at-inauguration","event_title":"Next US president's age at inauguration?","chart_24h":[0.405,0.41,0.405,0.405,0.405]},{"source":"polymarket","id":"6765309","event_id":"1328303","slug":"next-us-president-60-plus-years-old-at-inauguration","question":"Next US president 60+ years old at inauguration?","group_item_title":"60+","description":"This market will resolve to \"Yes\" if the next individual to be sworn in as President of the United States after Donald J. Trump is the listed age or older on the day on which they are sworn in. Otherwise, this market will resolve to \"No\".\n\nThe individual's age will be calculated on the day on which they are sworn in. A person will be considered to have advanced from one age to the next immediately upon the beginning of the calendar day of their day of birth.\n\nIn the event that no individual other than Donald J. Trump has been sworn in as President of the United States by March 31, 2029, 11:59 PM ET, this market will resolve to \"No\".\n\nThe resolution source for this market will be a consensus of official government sources and official public records; however, a consensus of credible sources may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/how-old-will-the-2028-presidential-nominee-be-wrcxdGYV8a7I.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/how-old-will-the-2028-presidential-nominee-be-wrcxdGYV8a7I.jpg","outcomes":["Yes","No"],"outcome_prices":[0.15,0.85],"probability":0.15,"spread":0.22,"active":true,"closed":false,"start_date":"2026-11-07T00:06:59Z","end_date":"2029-01-21T04:59:00Z","closed_time":null,"result":null,"volume":631.6175860000001,"volume_24hr":631.617586,"prob_24h_change":-0.13000000000000003,"volume_24h_change":631.617586,"normalized_vol_24hr":17.39797019958496,"normalized_volume":12.205331802368164,"liquidity":4149.2163,"categories":["Politics","Elections"],"countries":[],"updated_at":"2026-11-07T08:32:42.228621Z","fetched_at":"2026-11-07T08:32:42.228621Z","added_at":"2026-11-07T00:37:38.604312Z","url":"https://polymarket.com/event/next-us-president-age-at-inauguration/next-us-president-60-plus-years-old-at-inauguration","event_title":"Next US president's age at inauguration?","chart_24h":[0.28,0.235,0.235,0.15]},{"source":"polymarket","id":"6765310","event_id":"1328303","slug":"next-us-president-70-plus-years-old-at-inauguration","question":"Next US president 70+ years old at inauguration?","group_item_title":"70+","description":"This market will resolve to \"Yes\" if the next individual to be sworn in as President of the United States after Donald J. Trump is the listed age or older on the day on which they are sworn in. Otherwise, this market will resolve to \"No\".\n\nThe individual's age will be calculated on the day on which they are sworn in. A person will be considered to have advanced from one age to the next immediately upon the beginning of the calendar day of their day of birth.\n\nIn the event that no individual other than Donald J. Trump has been sworn in as President of the United States by March 31, 2029, 11:59 PM ET, this market will resolve to \"No\".\n\nThe resolution source for this market will be a consensus of official government sources and official public records; however, a consensus of credible sources may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/how-old-will-the-2028-presidential-nominee-be-wrcxdGYV8a7I.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/how-old-will-the-2028-presidential-nominee-be-wrcxdGYV8a7I.jpg","outcomes":["Yes","No"],"outcome_prices":[0.135,0.865],"probability":0.135,"spread":0.01,"active":true,"closed":false,"start_date":"2026-11-07T00:07:01Z","end_date":"2029-01-21T04:59:00Z","closed_time":null,"result":null,"volume":56.0,"volume_24hr":56.0,"prob_24h_change":-0.0050000000000000044,"volume_24h_change":56.0,"normalized_vol_24hr":6.836214542388916,"normalized_volume":4.795862197875977,"liquidity":710.3973,"categories":["Politics","Elections"],"countries":[],"updated_at":"2026-11-07T01:35:09.330068Z","fetched_at":"2026-11-07T01:35:09.330068Z","added_at":"2026-11-07T00:37:38.604312Z","url":"https://polymarket.com/event/next-us-president-age-at-inauguration/next-us-president-70-plus-years-old-at-inauguration","event_title":"Next US president's age at inauguration?","chart_24h":[0.14,0.135]},{"source":"polymarket","id":"6765311","event_id":"1328303","slug":"next-us-president-80-plus-years-old-at-inauguration","question":"Next US president 80+ years old at inauguration?","group_item_title":"80+","description":"This market will resolve to \"Yes\" if the next individual to be sworn in as President of the United States after Donald J. Trump is the listed age or older on the day on which they are sworn in. Otherwise, this market will resolve to \"No\".\n\nThe individual's age will be calculated on the day on which they are sworn in. A person will be considered to have advanced from one age to the next immediately upon the beginning of the calendar day of their day of birth.\n\nIn the event that no individual other than Donald J. Trump has been sworn in as President of the United States by March 31, 2029, 11:59 PM ET, this market will resolve to \"No\".\n\nThe resolution source for this market will be a consensus of official government sources and official public records; however, a consensus of credible sources may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/how-old-will-the-2028-presidential-nominee-be-wrcxdGYV8a7I.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/how-old-will-the-2028-presidential-nominee-be-wrcxdGYV8a7I.jpg","outcomes":["Yes","No"],"outcome_prices":[0.085,0.915],"probability":0.085,"spread":0.01,"active":true,"closed":false,"start_date":"2026-11-07T00:07:01Z","end_date":"2029-01-21T04:59:00Z","closed_time":null,"result":null,"volume":566.635556,"volume_24hr":566.635556,"prob_24h_change":-0.0049999999999999906,"volume_24h_change":526.635556,"normalized_vol_24hr":16.818157196044922,"normalized_volume":11.79857063293457,"liquidity":12536.0204,"categories":["Politics","Elections"],"countries":[],"updated_at":"2026-11-07T07:04:12.769183Z","fetched_at":"2026-11-07T07:04:12.769183Z","added_at":"2026-11-07T00:37:38.604312Z","url":"https://polymarket.com/event/next-us-president-age-at-inauguration/next-us-president-80-plus-years-old-at-inauguration","event_title":"Next US president's age at inauguration?","chart_24h":[0.09,0.085]}]}