{"source":"polymarket","id":"566188","ticker":"wta-boisson-sierra-2026-06-08","slug":"wta-boisson-sierra-2026-06-08","title":"Libema Open: Lois Boisson vs Solana Sierra","description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM ET.\n\nThis market will resolve to 'Lois Boisson' if Lois Boisson advances against Solana Sierra.\n\nThis market will resolve to 'Solana Sierra' if Solana Sierra advances against Lois Boisson.\n\nIf the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 WTA Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","active":true,"closed":false,"start_date":"2026-06-06T16:16:37.820094Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":66991.64562399998,"volume_24hr":63932.441341000005,"volume_24h_change":null,"normalized_vol_24hr":49.450443267822266,"normalized_volume":27.11499786376953,"liquidity":237744.2157,"open_interest":53155.306525,"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":"Libema Open: Lois Boisson vs Solana Sierra Set 1 O/U 8.5","top_outcome_probability":0.705,"top_outcome_prob_24h_change":-0.0050000000000000044,"top_outcome_volume_24h_change":0.6600000000000001,"updated_at":"2026-06-10T09:02:50.041330Z","fetched_at":"2026-06-10T09:02:50.041330Z","added_at":"2026-06-06T16:24:31.136869Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08","chart_24h":[557.710685,557.710685,681.46303,681.46303,681.46303,1294.087908,18362.217771,18476.802381,18686.777336,18686.623491,18979.275703,19501.117805,20127.81676,20156.937967,20212.477192000002,20363.246418000002,20708.213938000004,20708.213936000004,30809.581849000002,30811.096999,30811.096999,30786.964778,30786.964778,30866.491946000006,30868.030406000005,31015.517776000004,31402.548078000003,32993.457165,33157.676604,50751.479158,50887.636729000005,52790.020594,63842.661341000006],"markets":[{"source":"polymarket","id":"2455470","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08-first-set-total-8pt5","question":"Boisson vs. Sierra: Set 1 Games O/U 8.5","group_item_title":"Libema Open: Lois Boisson vs Solana Sierra Set 1 O/U 8.5","description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM 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.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.705,0.295],"probability":0.705,"spread":0.07,"active":true,"closed":false,"start_date":"2026-06-06T17:05:19.586280Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":13.34,"volume_24hr":7.0,"prob_24h_change":-0.0050000000000000044,"volume_24h_change":0.6600000000000001,"normalized_vol_24hr":1.7956339120864868,"normalized_volume":1.819126009941101,"liquidity":1810.5299,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T09:03:43.291229Z","fetched_at":"2026-06-10T07:57:23.734470Z","added_at":"2026-06-06T17:06:54.945506Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08-first-set-total-8pt5","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.71,0.705,0.705,0.715,0.71,0.715,0.72,0.71,0.71,0.705,0.705,0.705,0.705,0.685,0.67,0.67,0.675,0.675,0.66,0.67,0.685,0.6,0.605,0.605,0.6,0.61,0.385,0.69,0.69,0.695,0.705,0.705]},{"source":"polymarket","id":"2455475","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08-match-total-23pt5","question":"Boisson vs. Sierra: Match O/U 23.5","group_item_title":"Libema Open: Lois Boisson vs Solana Sierra Match O/U 23.5","description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.62,0.38],"probability":0.62,"spread":0.64,"active":true,"closed":false,"start_date":"2026-06-06T17:07:36.032338Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":171.924504,"volume_24hr":133.82926700000002,"prob_24h_change":0.24,"volume_24h_change":95.73403000000002,"normalized_vol_24hr":9.98681354522705,"normalized_volume":6.81081485748291,"liquidity":150.9816,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T09:03:43.291229Z","fetched_at":"2026-06-10T09:02:50.341045Z","added_at":"2026-06-06T17:06:54.945506Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08-match-total-23pt5","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.38,0.375,0.375,0.39,0.37,0.385,0.385,0.34,0.345,0.21,0.5,0.505,0.32,0.505,0.495,0.5,0.5,0.495,0.495,0.505,0.635,0.63,0.475,0.63,0.5,0.5,0.63,0.48,0.48,0.64,0.44]},{"source":"polymarket","id":"2456108","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08-set-handicap-away-1pt5","question":"Set Handicap: Sierra (-1.5) vs Boisson (+1.5)","group_item_title":"Libema Open: Lois Boisson vs Solana Sierra Set Handicap +/-1.5","description":"This market refers to the tennis match between Solana Sierra and Lois Boisson in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM ET.\nThis market will resolve to \"Sierra\" if Solana Sierra wins by 2 or more sets than Lois Boisson, based on the final completed score. Otherwise, it will resolve to \"Boisson.\"\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Sierra","Boisson"],"outcome_prices":[0.47,0.53],"probability":0.47,"spread":0.04,"active":true,"closed":false,"start_date":"2026-06-06T19:02:05.903364Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":50.231479,"volume_24hr":27.0,"prob_24h_change":0.024999999999999967,"volume_24h_change":15.207779,"normalized_vol_24hr":4.6109209060668945,"normalized_volume":3.9745826721191406,"liquidity":6260.1428,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T09:03:43.291229Z","fetched_at":"2026-06-10T09:02:50.341045Z","added_at":"2026-06-06T19:15:54.352127Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08-set-handicap-away-1pt5","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.445,0.46,0.465,0.46,0.46,0.455,0.46,0.46,0.46,0.46,0.465,0.475,0.465]},{"source":"polymarket","id":"2455469","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08-match-total-21pt5","question":"Boisson vs. Sierra: Match O/U 21.5","group_item_title":"Libema Open: Lois Boisson vs Solana Sierra Match O/U 21.5","description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.455,0.545],"probability":0.455,"spread":0.13,"active":true,"closed":false,"start_date":"2026-06-06T17:05:05.582815Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":23.680988000000003,"volume_24hr":19.907406,"prob_24h_change":-0.014999999999999958,"volume_24h_change":16.133824,"normalized_vol_24hr":3.837965726852417,"normalized_volume":2.6365697383880615,"liquidity":331.658,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T09:03:43.291229Z","fetched_at":"2026-06-10T09:02:50.341045Z","added_at":"2026-06-06T17:06:54.945506Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08-match-total-21pt5","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.47,0.475,0.475,0.47,0.475,0.47,0.48,0.46,0.465,0.46,0.465,0.455,0.465,0.46,0.455,0.46,0.46,0.455,0.465,0.465,0.46,0.46,0.465,0.465]},{"source":"polymarket","id":"2455472","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08-first-set-winner-Boisson-vs-Sierra","question":"Set 1 Winner: Boisson vs Sierra","group_item_title":"Libema Open: Lois Boisson vs Solana Sierra Set 1 Winner","description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM ET.\nThis market will resolve to “Boisson” if Lois Boisson wins the first set. It will resolve to “Sierra” if Solana Sierra 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 is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.\nResolution will be based on official WTA match statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Boisson","Sierra"],"outcome_prices":[0.375,0.625],"probability":0.375,"spread":0.03,"active":true,"closed":false,"start_date":"2026-06-06T17:17:31.647872Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":20.512819,"volume_24hr":20.512819,"prob_24h_change":-0.015000000000000013,"volume_24h_change":20.512819,"normalized_vol_24hr":3.9103784561157227,"normalized_volume":2.41544771194458,"liquidity":4794.2142,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T07:58:16.113350Z","fetched_at":"2026-06-10T07:57:23.734470Z","added_at":"2026-06-06T17:06:54.945506Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08-first-set-winner-Boisson-vs-Sierra","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.39,0.39,0.39,0.385,0.38,0.38,0.375,0.38,0.375,0.375,0.375,0.375]},{"source":"polymarket","id":"2455471","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08-set-totals-2pt5","question":"Lois Boisson vs. Solana Sierra: Total Sets O/U 2.5","group_item_title":"Libema Open: Lois Boisson vs Solana Sierra Total Sets: O/U 2.5","description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to \"Under.\"\nA super tie breaker is considered as one (1) set for total set markets.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over 2.5","Under 2.5"],"outcome_prices":[0.35,0.65],"probability":0.35,"spread":0.02,"active":true,"closed":false,"start_date":"2026-06-06T17:10:31.519650Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":31.362476,"volume_24hr":28.285554,"prob_24h_change":-0.010000000000000009,"volume_24h_change":25.208632,"normalized_vol_24hr":4.735989570617676,"normalized_volume":3.101076602935791,"liquidity":1928.0408,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T09:02:50.341045Z","fetched_at":"2026-06-10T09:02:50.341045Z","added_at":"2026-06-06T17:06:54.945506Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08-set-totals-2pt5","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.36,0.36,0.36,0.355,0.345,0.34,0.34,0.34,0.345,0.34,0.34,0.345,0.345,0.34,0.35]},{"source":"polymarket","id":"2454793","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08","question":"Libema Open: Lois Boisson vs Solana Sierra","group_item_title":null,"description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM ET.\n\nThis market will resolve to 'Lois Boisson' if Lois Boisson advances against Solana Sierra.\n\nThis market will resolve to 'Solana Sierra' if Solana Sierra advances against Lois Boisson.\n\nIf the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 WTA Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Lois Boisson","Solana Sierra"],"outcome_prices":[0.335,0.665],"probability":0.335,"spread":0.01,"active":true,"closed":false,"start_date":"2026-06-06T16:04:11.289716Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":66637.41275799998,"volume_24hr":63688.906295,"prob_24h_change":-0.019999999999999962,"volume_24h_change":61103.313999,"normalized_vol_24hr":50.81296157836914,"normalized_volume":31.64459991455078,"liquidity":211814.1129,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T09:04:05.080370Z","fetched_at":"2026-06-10T08:48:59.546159Z","added_at":"2026-06-06T16:24:31.220715Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.355,0.355,0.355,0.355,0.355,0.355,0.345,0.345,0.355,0.355,0.355,0.355,0.355,0.35,0.355,0.355,0.35,0.35,0.345,0.345,0.345,0.345,0.335,0.345,0.345,0.335,0.335]},{"source":"polymarket","id":"2455476","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08-first-set-total-10pt5","question":"Boisson vs. Sierra: Set 1 Games O/U 10.5","group_item_title":"Libema Open: Lois Boisson vs Solana Sierra Set 1 O/U 10.5","description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM 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.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.235,0.765],"probability":0.235,"spread":0.07,"active":true,"closed":false,"start_date":"2026-06-06T17:13:21.290565Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":8.32,"volume_24hr":7.0,"prob_24h_change":-0.010000000000000009,"volume_24h_change":7.0,"normalized_vol_24hr":1.7956339120864868,"normalized_volume":1.2780706882476807,"liquidity":1508.6753,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T09:03:43.291229Z","fetched_at":"2026-06-10T07:57:23.734470Z","added_at":"2026-06-06T17:06:54.945506Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08-first-set-total-10pt5","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.245,0.245,0.24,0.24,0.245,0.235,0.235,0.235,0.235,0.235,0.235,0.235,0.235,0.255,0.265,0.265,0.265,0.255,0.305,0.295,0.25,0.25,0.36,0.355,0.36,0.585,0.245,0.24,0.24,0.235]},{"source":"polymarket","id":"2454795","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08-completed-match","question":"Libema Open: Completed Match: Lois Boisson vs Solana Sierra","group_item_title":"Completed Match","description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM 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 is delayed beyond 7 days from the scheduled date without a winner determined, 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/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Yes","No"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.96,"active":true,"closed":false,"start_date":"2026-06-06T16:07:41.018403Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":34.8606,"volume_24hr":0.0,"prob_24h_change":-0.025000000000000022,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":3.2868638038635254,"liquidity":2.0365,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T09:03:43.291229Z","fetched_at":"2026-06-10T00:07:07.114042Z","added_at":"2026-06-06T16:24:31.220715Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08-completed-match","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.525,0.53,0.57,0.635,0.625,0.625,0.635,0.63,0.525,0.56,0.525,0.505,0.5,0.525,0.5,0.5,0.505,0.5,0.5,0.5,0.5,0.5,0.5]},{"source":"polymarket","id":"2455474","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08-first-set-total-9pt5","question":"Boisson vs. Sierra: Set 1 Games O/U 9.5","group_item_title":"Libema Open: Lois Boisson vs Solana Sierra Set 1 O/U 9.5","description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM 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.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.485,0.515],"probability":0.485,"spread":0.11,"active":true,"closed":false,"start_date":"2026-06-06T17:11:02.240494Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.015000000000000013,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":16.4388,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T09:03:43.291229Z","fetched_at":"2026-06-10T08:11:05.844473Z","added_at":"2026-06-06T17:06:54.945506Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08-first-set-total-9pt5","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.5,0.5,0.5,0.51,0.515,0.505,0.51,0.495,0.5,0.495,0.5,0.505,0.495,0.495,0.5,0.5,0.5,0.5,0.49,0.5,0.5,0.5,0.5,0.485,0.485]},{"source":"polymarket","id":"2455473","event_id":"566188","slug":"wta-boisson-sierra-2026-06-08-match-total-22pt5","question":"Boisson vs. Sierra: Match O/U 22.5","group_item_title":"Libema Open: Lois Boisson vs Solana Sierra Match O/U 22.5","description":"This market refers to the tennis match between Lois Boisson and Solana Sierra in the Libema Open, originally scheduled for June 8, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.4,0.6],"probability":0.4,"spread":0.04,"active":true,"closed":false,"start_date":"2026-06-06T17:07:51.052945Z","end_date":"2026-06-15T08:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.0050000000000000044,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":999.1224,"categories":["Sports"],"countries":[],"updated_at":"2026-06-10T09:03:43.291229Z","fetched_at":"2026-06-10T09:02:50.341045Z","added_at":"2026-06-06T17:06:54.945506Z","url":"https://polymarket.com/event/wta-boisson-sierra-2026-06-08/wta-boisson-sierra-2026-06-08-match-total-22pt5","event_title":"Libema Open: Lois Boisson vs Solana Sierra","chart_24h":[0.405,0.405,0.405,0.405,0.41,0.41,0.405,0.4,0.405,0.39,0.5,0.5,0.37,0.5,0.5,0.5,0.5,0.5,0.495,0.5,0.65,0.65,0.65,0.645,0.5,0.5,0.65,0.645,0.645,0.68,0.475]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/566188","as_of":"2026-06-10T09:10:15.876460Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Libema Open: Lois Boisson vs Solana Sierra\" — top market at 34% probability across 11 outcomes","source_url":null}}