{"_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/1208058","as_of":"2026-10-18T11:56:07.619642Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko\" — closed 2026-10-18; 1 of 16 markets resolved YES: \"Completed Match\". https://pdata.world/events/polymarket/1208058","source_url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18"},"source":"polymarket","id":"1208058","ticker":"atp-virtane-sachko-2026-10-18","slug":"atp-virtane-sachko-2026-10-18","title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\n\nThis market will resolve to 'Otto Virtanen' if Otto Virtanen advances against Vitaliy Sachko.\n\nThis market will resolve to 'Vitaliy Sachko' if Vitaliy Sachko advances against Otto Virtanen.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.\n\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\n\nThe primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","active":false,"closed":true,"start_date":"2026-10-17T23:05:28Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:16:59Z","volume":126843.42370399999,"volume_24hr":126843.42370399999,"volume_24h_change":null,"normalized_vol_24hr":55.265132904052734,"normalized_volume":31.365360260009766,"liquidity":null,"open_interest":73713.45070700001,"categories":["Sports"],"tags":[{"id":"864","slug":"tennis","label":"Tennis"},{"id":"1","slug":"sports","label":"Sports"},{"id":"100639","slug":"games","label":"Games"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Completed Match","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.495,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-10-18T11:53:13.006616Z","fetched_at":"2026-10-18T11:53:13.006616Z","added_at":"2026-10-17T23:23:18.505398Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18","chart_24h":[0.0,168.76923000000002,230.318127,259.303633,259.303633,259.303633,259.303633,259.303633,455.991133,485.483887,584.863887,584.863887,5665.468525000001,40995.55744599999,125501.53370399999],"kind":"live","mutually_exclusive":false,"markets_total":16,"markets":[{"source":"polymarket","id":"5843220","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18","question":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","group_item_title":null,"description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\n\nThis market will resolve to 'Otto Virtanen' if Otto Virtanen advances against Vitaliy Sachko.\n\nThis market will resolve to 'Vitaliy Sachko' if Vitaliy Sachko advances against Otto Virtanen.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.\n\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\n\nThe primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Otto Virtanen","Vitaliy Sachko"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:05:28Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:15:00Z","result":"Vitaliy Sachko","volume":126606.30732899999,"volume_24hr":126606.30732899997,"prob_24h_change":-0.655,"volume_24h_change":126606.30732899997,"normalized_vol_24hr":60.64632034301758,"normalized_volume":40.49846649169922,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:53:13.088750Z","fetched_at":"2026-10-18T11:53:13.088750Z","added_at":"2026-10-17T23:23:18.638261Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.655,0.645,0.685,0.685,0.685,0.685,0.685,0.665,0.315,0.0005]},{"source":"polymarket","id":"5845220","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-first-set-winner-Virtanen-vs-Sachko","question":"Set 1 Winner: Otto Virtanen vs Vitaliy Sachko","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Set 1 Winner","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to “Otto Virtanen” if Otto Virtanen wins the first set. It will resolve to “Vitaliy Sachko” if Vitaliy Sachko wins the first set.\nIf the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.\nIf the match is canceled (not played at all) or play has not begun by November 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official ATP match statistics.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Otto Virtanen","Vitaliy Sachko"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T10:23:59Z","result":"Vitaliy Sachko","volume":16.538462,"volume_24hr":16.538462,"prob_24h_change":-0.65,"volume_24h_change":16.538462,"normalized_vol_24hr":3.604792594909668,"normalized_volume":2.407212257385254,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T10:39:25.202192Z","fetched_at":"2026-10-18T10:39:25.202192Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-first-set-winner-Virtanen-vs-Sachko","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.65,0.645,0.64,0.64,0.58,0.0005,0.0]},{"source":"polymarket","id":"5845225","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-set-2-winner-Virtanen-vs-Sachko","question":"Set 2 Winner: Otto Virtanen vs Vitaliy Sachko","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Set 2 Winner","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to “Otto Virtanen” if Otto Virtanen wins set 2. It will resolve to “Vitaliy Sachko” if Vitaliy Sachko wins set 2.\nIf the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.\nIf the match is canceled (not played at all) or play has not begun by November 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official ATP match statistics.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Otto Virtanen","Vitaliy Sachko"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:15:00Z","result":"Vitaliy Sachko","volume":92.26479499999999,"volume_24hr":92.26479499999999,"prob_24h_change":-0.5,"volume_24h_change":92.26479499999999,"normalized_vol_24hr":9.037607192993164,"normalized_volume":6.03514289855957,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:29:15.485923Z","fetched_at":"2026-10-18T11:29:15.485923Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-set-2-winner-Virtanen-vs-Sachko","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.5,0.625,0.6,0.55,0.545,0.0005]},{"source":"polymarket","id":"5845268","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-match-total-21pt5","question":"Virtanen vs. Sachko: Match O/U 21.5","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Match O/U 21.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to \"Under.\" All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before completion, or if the match has not been completed by November 1, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the match played according to the match format published by the tournament organizer for that round, including whether a final set is played as a full set or as a match tiebreak. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additional games, resulting in at least 22 games played, so \"Over\" would resolve as the winning outcome. Likewise, if the published format replaces the final set with a match tiebreak, that tiebreak counts as one (1) game, so for a line of 22.5, if play stops at 6-2, 3-3, the match could have reached at most 22 games and \"Under\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official ATP statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:15:00Z","result":"Under","volume":67.50999999999999,"volume_24hr":67.50999999999999,"prob_24h_change":-0.545,"volume_24h_change":67.50999999999999,"normalized_vol_24hr":7.850085735321045,"normalized_volume":5.242138862609863,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:29:15.485923Z","fetched_at":"2026-10-18T11:29:15.485923Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-match-total-21pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.545,0.595,0.5,0.0005]},{"source":"polymarket","id":"5845273","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-match-total-22pt5","question":"Virtanen vs. Sachko: Match O/U 22.5","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Match O/U 22.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed equals or exceeds 23. Otherwise, it will resolve to \"Under.\" All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before completion, or if the match has not been completed by November 1, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the match played according to the match format published by the tournament organizer for that round, including whether a final set is played as a full set or as a match tiebreak. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additional games, resulting in at least 22 games played, so \"Over\" would resolve as the winning outcome. Likewise, if the published format replaces the final set with a match tiebreak, that tiebreak counts as one (1) game, so for a line of 22.5, if play stops at 6-2, 3-3, the match could have reached at most 22 games and \"Under\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official ATP statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.01,"active":false,"closed":true,"start_date":"2026-10-17T23:45:22Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:15:00Z","result":"Under","volume":60.803118,"volume_24hr":60.803118,"prob_24h_change":-0.455,"volume_24h_change":60.803118,"normalized_vol_24hr":7.472082614898682,"normalized_volume":4.989715576171875,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:29:15.485923Z","fetched_at":"2026-10-18T11:29:15.485923Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-match-total-22pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.455,0.46,0.46,0.465,0.515,0.65,0.005]},{"source":"polymarket","id":"5843221","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-completed-match","question":"Lyon Open, Qualification: Completed Match: Otto Virtanen vs Vitaliy Sachko","group_item_title":"Completed Match","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET. This market will resolve to \"Yes\" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to \"No.\" If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve \"No.\" If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to \"No.\" The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Yes","No"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:05:28Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:15:00Z","result":"yes","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.495,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:29:15.485923Z","fetched_at":"2026-10-18T11:29:15.485923Z","added_at":"2026-10-17T23:23:18.638261Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-completed-match","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.505,0.505,0.525,0.525,0.9995]},{"source":"polymarket","id":"5845237","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-first-set-total-8pt5","question":"Virtanen vs. Sachko: Set 1 Games O/U 8.5","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Set 1 O/U 8.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to \"Under.\" Any first-set tiebreak counts as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before the first set is completed, or if the first set has not been completed by November 1, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official ATP statistics; however, a consensus of credible reporting may also be used.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:45:11Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T10:23:59Z","result":"Over","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.595,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T10:39:25.202192Z","fetched_at":"2026-10-18T10:39:25.202192Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-first-set-total-8pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.405,0.78,0.78,0.775,0.5,0.9995,1.0]},{"source":"polymarket","id":"5845242","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-first-set-total-9pt5","question":"Virtanen vs. Sachko: Set 1 Games O/U 9.5","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Set 1 O/U 9.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to \"Under.\" Any first-set tiebreak counts as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before the first set is completed, or if the first set has not been completed by November 1, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official ATP statistics; however, a consensus of credible reporting may also be used.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T10:23:59Z","result":"Over","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.26,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T10:39:25.202192Z","fetched_at":"2026-10-18T10:39:25.202192Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-first-set-total-9pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.74,0.74,0.565,0.57,0.56,0.555,0.57,0.5,0.9995,1.0]},{"source":"polymarket","id":"5845252","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-set-2-total-8pt5","question":"Virtanen vs. Sachko: Set 2 Games O/U 8.5","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Set 2 O/U 8.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to \"Under.\"\nAny tiebreak in set 2 counts as one (1) game toward the total.\nIf set 2 begins but is not completed, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak or played as a match tiebreak. For example, for a line of 9.5, if play stops with set 2 at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nIf the match ends before set 2 is reached, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by November 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official ATP results.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:15:00Z","result":"Over","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.52,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:29:15.485923Z","fetched_at":"2026-10-18T11:29:15.485923Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-set-2-total-8pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.48,0.48,0.48,0.485,0.5,0.9995]},{"source":"polymarket","id":"5845257","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-set-2-total-9pt5","question":"Virtanen vs. Sachko: Set 2 Games O/U 9.5","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Set 2 O/U 9.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to \"Under.\"\nAny tiebreak in set 2 counts as one (1) game toward the total.\nIf set 2 begins but is not completed, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak or played as a match tiebreak. For example, for a line of 9.5, if play stops with set 2 at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nIf the match ends before set 2 is reached, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by November 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official ATP results.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:15:00Z","result":"Over","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.52,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:29:15.485923Z","fetched_at":"2026-10-18T11:29:15.485923Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-set-2-total-9pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.48,0.48,0.48,0.485,0.5,0.9995]},{"source":"polymarket","id":"5845231","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-set-totals-2pt5","question":"Otto Virtanen vs. Vitaliy Sachko: Total Sets O/U 2.5","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Total Sets: O/U 2.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nIf the match is played to completion, this market will resolve to \"Over\" if the total number of sets played equals or exceeds 3, and to \"Under\" otherwise. A set counts as played once it has begun, even if it is not played to completion. A super tie breaker is considered as one (1) set.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf a player retires, withdraws, is defaulted, or is disqualified, or the match otherwise begins but is not completed, this market will resolve based on any outcome that was already unequivocally determined at the time play stopped. An outcome is considered unequivocally determined if it would have been guaranteed under every possible completion of the match played according to the match format published by the tournament organizer for that round. For example, for a line of 2.5, if play stops with the players at one set each, completing the match would have required at least one additional set, resulting in at least 3 sets played, so \"Over\" would resolve as the winning outcome. If neither outcome was already determined at the time play stopped, this market will resolve 50-50.\nIf the match is canceled, or has not been completed by November 1, 2026, 11:59 PM ET, this market will resolve 50-50, unless an outcome was already unequivocally determined as described above.\nThe primary resolution source for this market will be official ATP statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over 2.5","Under 2.5"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:15:00Z","result":"Under 2.5","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.355,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:29:15.485923Z","fetched_at":"2026-10-18T11:29:15.485923Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-set-totals-2pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.355,0.36,0.365,0.37,0.5,0.0005]},{"source":"polymarket","id":"5845247","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-first-set-total-10pt5","question":"Virtanen vs. Sachko: Set 1 Games O/U 10.5","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Set 1 O/U 10.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to \"Under.\" Any first-set tiebreak counts as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before the first set is completed, or if the first set has not been completed by November 1, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official ATP statistics; however, a consensus of credible reporting may also be used.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T10:31:29Z","result":"Under","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.285,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T10:39:25.202192Z","fetched_at":"2026-10-18T10:39:25.202192Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-first-set-total-10pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.285,0.29,0.29,0.5,0.005,0.0]},{"source":"polymarket","id":"5845263","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-set-2-total-10pt5","question":"Virtanen vs. Sachko: Set 2 Games O/U 10.5","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Set 2 O/U 10.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to \"Under.\"\nAny tiebreak in set 2 counts as one (1) game toward the total.\nIf set 2 begins but is not completed, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak or played as a match tiebreak. For example, for a line of 9.5, if play stops with set 2 at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nIf the match ends before set 2 is reached, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by November 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official ATP results.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.009,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:15:00Z","result":"Under","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.48,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:29:15.485923Z","fetched_at":"2026-10-18T11:29:15.485923Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-set-2-total-10pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.48,0.48,0.48,0.485,0.5,0.0045]},{"source":"polymarket","id":"5845278","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-match-total-23pt5","question":"Virtanen vs. Sachko: Match O/U 23.5","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Match O/U 23.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed equals or exceeds 24. Otherwise, it will resolve to \"Under.\" All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before completion, or if the match has not been completed by November 1, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the match played according to the match format published by the tournament organizer for that round, including whether a final set is played as a full set or as a match tiebreak. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additional games, resulting in at least 22 games played, so \"Over\" would resolve as the winning outcome. Likewise, if the published format replaces the final set with a match tiebreak, that tiebreak counts as one (1) game, so for a line of 22.5, if play stops at 6-2, 3-3, the match could have reached at most 22 games and \"Under\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official ATP statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:15:00Z","result":"Under","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.435,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:29:15.485923Z","fetched_at":"2026-10-18T11:29:15.485923Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-match-total-23pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.435,0.42,0.44,0.43,0.43,0.43,0.435,0.455,0.5,0.0005]},{"source":"polymarket","id":"5845283","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-set-handicap-home-1pt5","question":"Set Handicap: Otto Virtanen (-1.5) vs Vitaliy Sachko (+1.5)","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Set Handicap +/-1.5","description":"This market refers to the tennis match between Otto Virtanen and Vitaliy Sachko in the Lyon Open, Qualification, originally scheduled for October 18, 2026 at 5:00AM ET.\nThis market will resolve to \"Otto Virtanen\" if Otto Virtanen wins by 2 or more sets than Vitaliy Sachko, based on the final completed score. Otherwise, it will resolve to \"Vitaliy Sachko.\"\nIf the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play under the match format published by the tournament organizer for that round. For example, if the deciding set has begun when the match ends, Otto Virtanen can no longer win by 2 or more sets, and this market will resolve to \"Vitaliy Sachko.\"\nIf the match is canceled before play begins, or a result has not been determined by November 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official ATP results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Otto Virtanen","Vitaliy Sachko"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:44:40Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T10:25:29Z","result":"Vitaliy Sachko","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.47,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T10:39:25.202192Z","fetched_at":"2026-10-18T10:39:25.202192Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-set-handicap-home-1pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.47,0.465,0.46,0.465,0.445,0.0005,0.0]},{"source":"polymarket","id":"5845288","event_id":"1208058","slug":"atp-virtane-sachko-2026-10-18-game-handicap-home-3pt5","question":"Game Spread: Otto Virtanen (-3.5) vs Vitaliy Sachko (+3.5)","group_item_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko Game Spread +/-3.5","description":"This market will resolve to \"Otto Virtanen\" if Otto Virtanen wins 3.5 or more total games than Vitaliy Sachko in the upcoming tennis match, scheduled for October 18, 2026 at 5:00AM ET. Otherwise, this market will resolve to \"Vitaliy Sachko\".\nGames won will be counted across all sets played in the match. A set decided by a tiebreak will count as one game for the winner of that tiebreak, and a match tiebreak played in place of a final set will also count as one game for its winner.\nIf the match is canceled (not played at all), or is delayed beyond 14 days from the scheduled date without completion at 11:59 PM ET, this market will resolve 50-50.\nIf the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play under the match format published by the tournament organizer for that round. For example, if the match ends at a point where Otto Virtanen could no longer have finished 3.5 or more games ahead even by winning every remaining game, this market will resolve to \"Vitaliy Sachko\".\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\nThe primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Otto Virtanen","Vitaliy Sachko"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-17T23:45:22Z","end_date":"2026-10-25T09:00:00Z","closed_time":"2026-10-18T11:16:59Z","result":"Vitaliy Sachko","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.495,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T11:29:15.485923Z","fetched_at":"2026-10-18T11:29:15.485923Z","added_at":"2026-10-17T23:47:48.175678Z","url":"https://polymarket.com/event/atp-virtane-sachko-2026-10-18/atp-virtane-sachko-2026-10-18-game-handicap-home-3pt5","event_title":"Lyon Open, Qualification: Otto Virtanen vs Vitaliy Sachko","chart_24h":[0.495,0.49,0.49,0.495,0.49,0.485,0.48,0.5,0.0005]}]}