{"source":"polymarket","id":"768653","ticker":"atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631","slug":"atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631","title":"ATP 2026 End of Year Rankings: Player to be Number 1","description":"This market will resolve according to the player who finishes World No. 1 in the official 2026 ATP year-end singles rankings, as published by the ATP at the conclusion of 2026.\n\nIf the 2026 year-end rankings are not published, are canceled, or a year-end No. 1 has not been determined by January 14 2027, 11:59 PM ET, this market will resolve to \"Other.\"\n\nIf multiple players are tied and officially recognized as co-No. 1, this market will resolve in favor of the player whose listed name comes first alphabetically.\n\nThe resolution source for this market will be the official ATP year-end rankings as published by the ATP Tour (atptour.com); however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631-WNSMQdeCUk-B.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631-WNSMQdeCUk-B.jpg","active":true,"closed":false,"start_date":"2026-07-29T16:22:38.096248Z","end_date":"2027-01-15T04:59:00Z","closed_time":null,"volume":43804.78630299999,"volume_24hr":3935.00584,"volume_24h_change":null,"normalized_vol_24hr":24.772380828857422,"normalized_volume":25.963966369628906,"liquidity":4879.57582,"open_interest":10947.784372,"categories":["Sports"],"tags":[{"id":"101232","slug":"atp","label":"ATP"},{"id":"1","slug":"sports","label":"Sports"},{"id":"864","slug":"tennis","label":"Tennis"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Alexander Zverev","top_outcome_probability":0.6435,"top_outcome_prob_24h_change":-0.025500000000000078,"top_outcome_volume_24h_change":-303.89308900000015,"updated_at":"2026-09-28T09:30:07.153444Z","fetched_at":"2026-09-28T09:30:07.153444Z","added_at":"2026-07-29T16:25:19.634280Z","url":"https://polymarket.com/event/atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631","chart_24h":[961.5059130000001,1110.759643,1110.759643,1110.759643,1110.759643,1110.759643,1091.411272,1091.411272,1817.497158,1840.497158,1838.501555,1838.501555,1788.501555,1774.21584,1782.21584,1782.21584,1764.89584,1764.89584,1764.89584,1992.44584,1992.44584,1992.44584,1992.44584,1992.44584,1992.44584,1992.44584,1992.44584,3935.00584,3935.00584,3935.00584,3935.00584,3935.00584],"kind":"live","markets":[{"source":"polymarket","id":"3204346","event_id":"768653","slug":"will-alexander-zverev-be-number-1-on-the-end-of-year-atp-rankings-20260728190252633","question":"Will Alexander Zverev be Number 1 on the End of Year ATP Rankings","group_item_title":"Alexander Zverev","description":"This market will resolve according to the player who finishes World No. 1 in the official 2026 ATP year-end singles rankings, as published by the ATP at the conclusion of 2026.\n\nIf the 2026 year-end rankings are not published, are canceled, or a year-end No. 1 has not been determined by January 14 2027, 11:59 PM ET, this market will resolve to \"Other.\"\n\nIf multiple players are tied and officially recognized as co-No. 1, this market will resolve in favor of the player whose listed name comes first alphabetically.\n\nThe resolution source for this market will be the official ATP year-end rankings as published by the ATP Tour (atptour.com); however, a consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.6435,0.3565],"probability":0.6435,"spread":0.013,"active":true,"closed":false,"start_date":"2026-07-29T16:23:04.714202Z","end_date":"2027-01-15T04:59:00Z","closed_time":null,"volume":18526.082989,"volume_24hr":564.692824,"prob_24h_change":-0.025500000000000078,"volume_24h_change":-303.89308900000015,"normalized_vol_24hr":15.651663780212402,"normalized_volume":28.332775115966797,"liquidity":1224.88442,"categories":["Sports"],"countries":[],"updated_at":"2026-09-28T09:30:08.077133Z","fetched_at":"2026-09-28T09:30:08.077133Z","added_at":"2026-07-29T16:25:19.680697Z","url":"https://polymarket.com/event/atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631/will-alexander-zverev-be-number-1-on-the-end-of-year-atp-rankings-20260728190252633","event_title":"ATP 2026 End of Year Rankings: Player to be Number 1","chart_24h":[0.669,0.6735,0.6735,0.6735,0.6735,0.6735,0.5945,0.5875,0.586,0.5905,0.5905,0.5925,0.5985,0.5975,0.5975,0.5995,0.6,0.639,0.641,0.642,0.643,0.643,0.643,0.647,0.6435,0.6435,0.643,0.643,0.6425,0.6405]},{"source":"polymarket","id":"3204345","event_id":"768653","slug":"will-jannik-sinner-be-number-1-on-the-end-of-year-atp-rankings-20260728190252632","question":"Will Jannik Sinner be Number 1 on the End of Year ATP Rankings","group_item_title":"Jannik Sinner","description":"This market will resolve according to the player who finishes World No. 1 in the official 2026 ATP year-end singles rankings, as published by the ATP at the conclusion of 2026.\n\nIf the 2026 year-end rankings are not published, are canceled, or a year-end No. 1 has not been determined by January 14 2027, 11:59 PM ET, this market will resolve to \"Other.\"\n\nIf multiple players are tied and officially recognized as co-No. 1, this market will resolve in favor of the player whose listed name comes first alphabetically.\n\nThe resolution source for this market will be the official ATP year-end rankings as published by the ATP Tour (atptour.com); however, a consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.365,0.635],"probability":0.365,"spread":0.01,"active":true,"closed":false,"start_date":"2026-07-29T16:22:38.096248Z","end_date":"2027-01-15T04:59:00Z","closed_time":null,"volume":20516.279608999997,"volume_24hr":1974.313016,"prob_24h_change":0.02999999999999997,"volume_24h_change":1881.393016,"normalized_vol_24hr":22.43669319152832,"normalized_volume":28.924190521240234,"liquidity":2269.2534,"categories":["Sports"],"countries":[],"updated_at":"2026-09-28T09:30:08.077133Z","fetched_at":"2026-09-28T09:30:08.077133Z","added_at":"2026-07-29T16:25:19.680697Z","url":"https://polymarket.com/event/atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631/will-jannik-sinner-be-number-1-on-the-end-of-year-atp-rankings-20260728190252632","event_title":"ATP 2026 End of Year Rankings: Player to be Number 1","chart_24h":[0.335,0.34,0.34,0.34,0.34,0.34,0.34,0.4,0.415,0.41,0.405,0.41,0.41,0.41,0.41,0.41,0.41,0.41,0.365,0.365,0.365,0.365,0.365,0.37,0.37,0.37,0.37]},{"source":"polymarket","id":"3204347","event_id":"768653","slug":"will-carlos-alcaraz-be-number-1-on-the-end-of-year-atp-rankings-20260728190252634","question":"Will Carlos Alcaraz be Number 1 on the End of Year ATP Rankings","group_item_title":"Carlos Alcaraz","description":"This market will resolve according to the player who finishes World No. 1 in the official 2026 ATP year-end singles rankings, as published by the ATP at the conclusion of 2026.\n\nIf the 2026 year-end rankings are not published, are canceled, or a year-end No. 1 has not been determined by January 14 2027, 11:59 PM ET, this market will resolve to \"Other.\"\n\nIf multiple players are tied and officially recognized as co-No. 1, this market will resolve in favor of the player whose listed name comes first alphabetically.\n\nThe resolution source for this market will be the official ATP year-end rankings as published by the ATP Tour (atptour.com); however, a consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.008,0.992],"probability":0.008,"spread":0.016,"active":true,"closed":false,"start_date":"2026-07-29T16:22:58.423390Z","end_date":"2027-01-15T04:59:00Z","closed_time":null,"volume":4762.423705,"volume_24hr":1396.0,"prob_24h_change":-0.006500000000000001,"volume_24h_change":0.0,"normalized_vol_24hr":20.435060501098633,"normalized_volume":21.041851043701172,"liquidity":1400.35163,"categories":["Sports"],"countries":[],"updated_at":"2026-09-28T09:30:08.077133Z","fetched_at":"2026-09-28T09:30:08.077133Z","added_at":"2026-07-29T16:25:19.680697Z","url":"https://polymarket.com/event/atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631/will-carlos-alcaraz-be-number-1-on-the-end-of-year-atp-rankings-20260728190252634","event_title":"ATP 2026 End of Year Rankings: Player to be Number 1","chart_24h":[0.0145,0.0085]},{"source":"polymarket","id":"3204348","event_id":"768653","slug":"will-a-be-number-1-on-the-end-of-year-atp-rankings-20260728190252635","question":"Will A be Number 1 on the End of Year ATP Rankings","group_item_title":"A","description":"This market will resolve according to the player who finishes World No. 1 in the official 2026 ATP year-end singles rankings, as published by the ATP at the conclusion of 2026.\n\nIf the 2026 year-end rankings are not published, are canceled, or a year-end No. 1 has not been determined by January 14 2027, 11:59 PM ET, this market will resolve to \"Other.\"\n\nIf multiple players are tied and officially recognized as co-No. 1, this market will resolve in favor of the player whose listed name comes first alphabetically.\n\nThe resolution source for this market will be the official ATP year-end rankings as published by the ATP Tour (atptour.com); 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however, a consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":1.0,"active":true,"closed":false,"start_date":"2026-07-29T16:22:57.983860Z","end_date":null,"closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-11T16:30:16.967494Z","fetched_at":"2026-07-29T16:25:19.680697Z","added_at":"2026-07-29T16:25:19.680697Z","url":"https://polymarket.com/event/atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631/will-b-be-number-1-on-the-end-of-year-atp-rankings-20260728190252636","event_title":"ATP 2026 End of Year Rankings: Player to be Number 1","chart_24h":null},{"source":"polymarket","id":"3204350","event_id":"768653","slug":"will-someone-else-be-number-1-on-the-end-of-year-atp-rankings-20260728190252637","question":"Will someone else be Number 1 on the End of Year ATP Rankings","group_item_title":"Other","description":"This market will resolve according to the player who finishes World No. 1 in the official 2026 ATP year-end singles rankings, as published by the ATP at the conclusion of 2026.\n\nIf the 2026 year-end rankings are not published, are canceled, or a year-end No. 1 has not been determined by January 14 2027, 11:59 PM ET, this market will resolve to \"Other.\"\n\nIf multiple players are tied and officially recognized as co-No. 1, this market will resolve in favor of the player whose listed name comes first alphabetically.\n\nThe resolution source for this market will be the official ATP year-end rankings as published by the ATP Tour (atptour.com); however, a consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":1.0,"active":true,"closed":false,"start_date":"2026-07-29T16:23:14.452283Z","end_date":null,"closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-11T16:30:16.967494Z","fetched_at":"2026-07-29T16:25:19.680697Z","added_at":"2026-07-29T16:25:19.680697Z","url":"https://polymarket.com/event/atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631/will-someone-else-be-number-1-on-the-end-of-year-atp-rankings-20260728190252637","event_title":"ATP 2026 End of Year Rankings: Player to be Number 1","chart_24h":null}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/768653","as_of":"2026-09-28T09:49:54.040537Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"ATP 2026 End of Year Rankings: Player to be Number 1\" — top market at 36% probability across 6 outcomes","source_url":null}}