{"source":"polymarket","id":"1036112","ticker":"itf-silva4-mellei1-2026-09-17","slug":"itf-silva4-mellei1-2026-09-17","title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, Main Draw, originally scheduled for September 17, 2026 at 11:30AM ET.\n\nThis market will resolve to 'ISABELA DE MATTOS SILVA' if ISABELA DE MATTOS SILVA advances against Catarina Melleiro.\n\nThis market will resolve to 'Catarina Melleiro' if Catarina Melleiro advances against ISABELA DE MATTOS SILVA.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","active":false,"closed":true,"start_date":"2026-09-17T02:14:16Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:42:39Z","volume":3835.120716,"volume_24hr":3835.120716,"volume_24h_change":null,"normalized_vol_24hr":26.240005493164062,"normalized_volume":15.486306190490723,"liquidity":null,"open_interest":1762.120716,"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":0.5,"top_outcome_volume_24h_change":1648.0,"updated_at":"2026-09-17T20:55:43.768102Z","fetched_at":"2026-09-17T20:55:43.768102Z","added_at":"2026-09-17T02:42:30.815858Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,240.0,240.0,1648.0,1648.0,1648.0,1648.0,1662.0,1662.0,1662.0,1662.0,2815.84945,3735.120716,3835.120716,3835.120716],"kind":"live","markets":[{"source":"polymarket","id":"4629931","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-completed-match","question":"W15 Sao Luis, Main Draw: Completed Match: ISABELA DE MATTOS SILVA vs Catarina Melleiro","group_item_title":"Completed Match","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, Main Draw, originally scheduled for September 17, 2026 at 11:30AM 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 October 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/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Yes","No"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.002,"active":false,"closed":true,"start_date":"2026-09-17T02:14:16Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:42:39Z","volume":1648.0,"volume_24hr":1648.0,"prob_24h_change":0.5,"volume_24h_change":1648.0,"normalized_vol_24hr":21.392976760864258,"normalized_volume":16.100570678710938,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T20:55:43.856640Z","fetched_at":"2026-09-17T20:55:43.856640Z","added_at":"2026-09-17T02:42:35.523482Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-completed-match","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.5,0.505,0.5,0.5,0.505,0.5,0.999,1.0]},{"source":"polymarket","id":"4629929","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17","question":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","group_item_title":null,"description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, Main Draw, originally scheduled for September 17, 2026 at 11:30AM ET.\n\nThis market will resolve to 'ISABELA DE MATTOS SILVA' if ISABELA DE MATTOS SILVA advances against Catarina Melleiro.\n\nThis market will resolve to 'Catarina Melleiro' if Catarina Melleiro advances against ISABELA DE MATTOS SILVA.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["ISABELA DE MATTOS SILVA","Catarina Melleiro"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-09-17T02:14:16Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:42:39Z","volume":2187.120716,"volume_24hr":2187.120716,"prob_24h_change":-0.245,"volume_24h_change":2187.120716,"normalized_vol_24hr":23.057966232299805,"normalized_volume":17.35365867614746,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T20:55:43.856640Z","fetched_at":"2026-09-17T20:55:43.856640Z","added_at":"2026-09-17T02:42:35.523482Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.245,0.23,0.235,0.24,0.235,0.23,0.225,0.31,0.235,0.23,0.235,0.22,0.115,0.0685,0.0005,0.0]},{"source":"polymarket","id":"4630413","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-set-2-total-8pt5","question":"SILVA vs. Melleiro: Set 2 Games O/U 8.5","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Set 2 O/U 8.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM 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 determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. 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 October 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 ITF results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.01,"active":false,"closed":true,"start_date":"2026-09-17T02:44:26Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:12:24Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.51,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T20:33:23.096753Z","fetched_at":"2026-09-17T20:33:23.096753Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-set-2-total-8pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.49,0.5,0.905,1.0]},{"source":"polymarket","id":"4630419","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-set-2-total-9pt5","question":"SILVA vs. Melleiro: Set 2 Games O/U 9.5","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Set 2 O/U 9.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM 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 determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. 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 October 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 ITF results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.009,"active":false,"closed":true,"start_date":"2026-09-17T02:44:17Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:24:39Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T20:33:23.096753Z","fetched_at":"2026-09-17T20:33:23.096753Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-set-2-total-9pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.5,1.0]},{"source":"polymarket","id":"4630425","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-set-2-total-10pt5","question":"SILVA vs. Melleiro: Set 2 Games O/U 10.5","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Set 2 O/U 10.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM 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 determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. 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 October 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 ITF results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Over","Under"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-09-17T02:44:20Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:34:07Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T20:55:43.856640Z","fetched_at":"2026-09-17T20:55:43.856640Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-set-2-total-10pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.5,0.5,0.996,1.0]},{"source":"polymarket","id":"4630455","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-set-handicap-away-1pt5","question":"Set Handicap: Catarina Melleiro (-1.5) vs ISABELA DE MATTOS SILVA (+1.5)","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Set Handicap +/-1.5","description":"This market refers to the tennis match between Catarina Melleiro and ISABELA DE MATTOS SILVA in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM ET.\nThis market will resolve to \"Catarina Melleiro\" if Catarina Melleiro wins by 2 or more sets than ISABELA DE MATTOS SILVA, based on the final completed score. Otherwise, it will resolve to \"ISABELA DE MATTOS SILVA.\"\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. For example, if the deciding set has begun when the match ends, Catarina Melleiro can no longer win by 2 or more sets, and this market will resolve to \"ISABELA DE MATTOS SILVA.\"\nIf the match is canceled before play begins, or a result has not been determined by October 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official ITF results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Catarina Melleiro","ISABELA DE MATTOS SILVA"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.002,"active":false,"closed":true,"start_date":"2026-09-17T02:44:23Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:42:39Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T20:55:43.856640Z","fetched_at":"2026-09-17T20:55:43.856640Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-set-handicap-away-1pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.5,0.505,0.49,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.996,1.0]},{"source":"polymarket","id":"4630378","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-first-set-winner-SILVA-vs-Melleiro","question":"Set 1 Winner: ISABELA DE MATTOS SILVA vs Catarina Melleiro","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Set 1 Winner","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM ET.\nThis market will resolve to “ISABELA DE MATTOS SILVA” if ISABELA DE MATTOS SILVA wins the first set. It will resolve to “Catarina Melleiro” if Catarina Melleiro 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 October 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official ITF match statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["ISABELA DE MATTOS SILVA","Catarina Melleiro"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-09-17T02:44:27Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T19:42:40Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T19:52:47.010240Z","fetched_at":"2026-09-17T19:52:47.010240Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-first-set-winner-SILVA-vs-Melleiro","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.5,0.495,0.5,0.495,0.5,0.5,0.5,0.5,0.0]},{"source":"polymarket","id":"4630385","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-set-2-winner-SILVA-vs-Melleiro","question":"Set 2 Winner: ISABELA DE MATTOS SILVA vs Catarina Melleiro","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Set 2 Winner","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM ET.\nThis market will resolve to “ISABELA DE MATTOS SILVA” if ISABELA DE MATTOS SILVA wins set 2. It will resolve to “Catarina Melleiro” if Catarina Melleiro 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 October 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official ITF match statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["ISABELA DE MATTOS SILVA","Catarina Melleiro"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.002,"active":false,"closed":true,"start_date":"2026-09-17T02:44:18Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:42:39Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T20:55:43.856640Z","fetched_at":"2026-09-17T20:55:43.856640Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-set-2-winner-SILVA-vs-Melleiro","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.5,0.5,0.004,0.0]},{"source":"polymarket","id":"4630391","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-set-totals-2pt5","question":"ISABELA DE MATTOS SILVA vs. Catarina Melleiro: Total Sets O/U 2.5","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Total Sets: O/U 2.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM 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 determined if it would have been guaranteed had the match been played to completion using the minimum number of additional sets required. 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 October 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 ITF statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Over 2.5","Under 2.5"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.002,"active":false,"closed":true,"start_date":"2026-09-17T02:44:20Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:42:39Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T20:55:43.856640Z","fetched_at":"2026-09-17T20:55:43.856640Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-set-totals-2pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.5,0.49,0.49,0.5,0.5,0.5,0.5,0.5,0.5,0.004,0.0]},{"source":"polymarket","id":"4630397","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-first-set-total-8pt5","question":"SILVA vs. Melleiro: Set 1 Games O/U 8.5","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Set 1 O/U 8.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM 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 October 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 determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. 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 ITF statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-09-17T02:44:25Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T19:42:43Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.49,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T19:52:47.010240Z","fetched_at":"2026-09-17T19:52:47.010240Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-first-set-total-8pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.49,0.5,0.0]},{"source":"polymarket","id":"4630403","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-first-set-total-9pt5","question":"SILVA vs. Melleiro: Set 1 Games O/U 9.5","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Set 1 O/U 9.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM 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 October 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 determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. 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 ITF statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-09-17T02:44:29Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T19:42:43Z","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":"2026-09-17T19:52:47.010240Z","fetched_at":"2026-09-17T19:52:47.010240Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-first-set-total-9pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.495,0.5,0.5,0.0]},{"source":"polymarket","id":"4630408","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-first-set-total-10pt5","question":"SILVA vs. Melleiro: Set 1 Games O/U 10.5","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Set 1 O/U 10.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM 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 October 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 determined if it would have been guaranteed had the set been played to completion using the minimum number of additional games required. 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 ITF statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-09-17T02:44:23Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T19:42:43Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.49,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T19:52:47.010240Z","fetched_at":"2026-09-17T19:52:47.010240Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-first-set-total-10pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.49,0.5,0.0]},{"source":"polymarket","id":"4630432","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-match-total-21pt5","question":"SILVA vs. Melleiro: Match O/U 21.5","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Match O/U 21.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM 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 October 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 determined if it would have been guaranteed had the match been played to completion using the minimum number of additional games required. 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.\nThe primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.002,"active":false,"closed":true,"start_date":"2026-09-17T02:44:27Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:42:39Z","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":"2026-09-17T20:55:43.856640Z","fetched_at":"2026-09-17T20:55:43.856640Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-match-total-21pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.495,0.495,0.5,0.5,0.5,0.0045,0.0]},{"source":"polymarket","id":"4630437","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-match-total-22pt5","question":"SILVA vs. Melleiro: Match O/U 22.5","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Match O/U 22.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM 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 October 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 determined if it would have been guaranteed had the match been played to completion using the minimum number of additional games required. 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.\nThe primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.002,"active":false,"closed":true,"start_date":"2026-09-17T02:44:25Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:42:39Z","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":"2026-09-17T20:55:43.856640Z","fetched_at":"2026-09-17T20:55:43.856640Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-match-total-22pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.495,0.495,0.495,0.495,0.5,0.5,0.5,0.0045,0.0]},{"source":"polymarket","id":"4630443","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-match-total-23pt5","question":"SILVA vs. Melleiro: Match O/U 23.5","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Match O/U 23.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM 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 October 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 determined if it would have been guaranteed had the match been played to completion using the minimum number of additional games required. 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.\nThe primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.002,"active":false,"closed":true,"start_date":"2026-09-17T02:44:19Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T20:42:39Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T20:55:43.856640Z","fetched_at":"2026-09-17T20:55:43.856640Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-match-total-23pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.5,0.495,0.5,0.5,0.5,0.5,0.505,0.5,0.5,0.0045,0.0]},{"source":"polymarket","id":"4630449","event_id":"1036112","slug":"itf-silva4-mellei1-2026-09-17-set-handicap-home-1pt5","question":"Set Handicap: ISABELA DE MATTOS SILVA (-1.5) vs Catarina Melleiro (+1.5)","group_item_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro Set Handicap +/-1.5","description":"This market refers to the tennis match between ISABELA DE MATTOS SILVA and Catarina Melleiro in the W15 Sao Luis, originally scheduled for September 17, 2026 at 11:30AM ET.\nThis market will resolve to \"ISABELA DE MATTOS SILVA\" if ISABELA DE MATTOS SILVA wins by 2 or more sets than Catarina Melleiro, based on the final completed score. Otherwise, it will resolve to \"Catarina Melleiro.\"\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. For example, if the deciding set has begun when the match ends, ISABELA DE MATTOS SILVA can no longer win by 2 or more sets, and this market will resolve to \"Catarina Melleiro.\"\nIf the match is canceled before play begins, or a result has not been determined by October 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official ITF results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["ISABELA DE MATTOS SILVA","Catarina Melleiro"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-09-17T02:44:29Z","end_date":"2026-09-24T15:30:00Z","closed_time":"2026-09-17T19:42:43Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-09-17T19:52:47.010240Z","fetched_at":"2026-09-17T19:52:47.010240Z","added_at":"2026-09-17T03:07:27.341515Z","url":"https://polymarket.com/event/itf-silva4-mellei1-2026-09-17/itf-silva4-mellei1-2026-09-17-set-handicap-home-1pt5","event_title":"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro","chart_24h":[0.5,0.495,0.48,0.5,0.505,0.5,0.5,0.5,0.5,0.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/1036112","as_of":"2026-09-17T22:12:38.042007Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"W15 Sao Luis: ISABELA DE MATTOS SILVA vs Catarina Melleiro\" — top market at 0% probability across 16 outcomes","source_url":null}}