{"source":"kalshi","id":"KXWTADOUBLES-26AUG09HSIOSTANNTAU","ticker":"KXWTADOUBLES-26AUG09HSIOSTANNTAU","slug":"KXWTADOUBLES-26AUG09HSIOSTANNTAU","title":"Hsieh S-W / Ostapenko vs Li / Tauson","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-08-08T21:15:00Z","end_date":"2026-08-23T21:10:00Z","closed_time":"2026-08-09T23:09:53Z","volume":1203942.56,"volume_24hr":1203942.56,"volume_24h_change":null,"normalized_vol_24hr":68.41644287109375,"normalized_volume":53.9628791809082,"liquidity":null,"open_interest":606855.52,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26AUG09HSIOSTANNTAU","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Su-Wei Hsieh / Jelena Ostapenko","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.74,"top_outcome_volume_24h_change":425251.86,"updated_at":"2026-08-09T23:14:33.605269Z","fetched_at":"2026-08-09T23:14:33.605269Z","added_at":"2026-08-08T21:25:36.647328Z","url":"https://kalshi.com/markets/kxwtadoubles/hsieh-s-w-ostapenko-vs-li-tauson/kxwtadoubles-26aug09hsiostanntau","chart_24h":[172.15,221.39,227.55,252.71,252.71,300.71000000000004,314.91,334.03999999999996,334.15,339.15,349.16999999999996,353.68,401.71999999999997,439.81,453.9,5576.58,10543.37,23677.260000000002,204736.46,639662.78,1203942.56],"markets":[{"source":"kalshi","id":"KXWTADOUBLES-26AUG09HSIOSTANNTAU-HSIOST","event_id":"KXWTADOUBLES-26AUG09HSIOSTANNTAU","slug":"KXWTADOUBLES-26AUG09HSIOSTANNTAU-HSIOST","question":"Will Su-Wei Hsieh / Jelena Ostapenko win the Hsieh S-W / Ostapenko vs Li / Tauson: Quarterfinal match?","group_item_title":"Su-Wei Hsieh / Jelena Ostapenko","description":"If Su-Wei Hsieh / Jelena Ostapenko wins the Hsieh S-W / Ostapenko vs Li / Tauson professional tennis match in the 2026 WTA Toronto Quarterfinal after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Hsieh S-W / Ostapenko vs Li / Tauson professional tennis match in the 2026 WTA Toronto Quarterfinal after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks).\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.99,0.010000000000000009],"probability":0.99,"spread":1.0,"active":false,"closed":true,"start_date":"2026-08-08T21:15:00Z","end_date":"2026-08-23T21:10:00Z","closed_time":"2026-08-09T23:09:53Z","volume":425376.01,"volume_24hr":425376.01,"prob_24h_change":0.74,"volume_24h_change":425251.86,"normalized_vol_24hr":69.36700439453125,"normalized_volume":52.29237747192383,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-10T00:28:26.210400Z","fetched_at":"2026-08-09T23:14:33.624339Z","added_at":"2026-08-08T21:25:36.743236Z","url":"https://kalshi.com/markets/kxwtadoubles/hsieh-s-w-ostapenko-vs-li-tauson/kxwtadoubles-26aug09hsiostanntau","event_title":"Hsieh S-W / Ostapenko vs Li / Tauson","chart_24h":[0.25,0.25,0.79,0.79,0.8,0.8,0.8,0.8,0.8,0.8,0.8,0.81,0.81,0.82,0.8,0.8,0.8,0.8,0.82,0.84,0.8,0.8,0.58,0.97,0.99,0.99]},{"source":"kalshi","id":"KXWTADOUBLES-26AUG09HSIOSTANNTAU-ANNTAU","event_id":"KXWTADOUBLES-26AUG09HSIOSTANNTAU","slug":"KXWTADOUBLES-26AUG09HSIOSTANNTAU-ANNTAU","question":"Will Ann Li / Clara Tauson win the Hsieh S-W / Ostapenko vs Li / Tauson: Quarterfinal match?","group_item_title":"Ann Li / Clara Tauson","description":"If Ann Li / Clara Tauson wins the Hsieh S-W / Ostapenko vs Li / Tauson professional tennis match in the 2026 WTA Toronto Quarterfinal after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Hsieh S-W / Ostapenko vs Li / Tauson professional tennis match in the 2026 WTA Toronto Quarterfinal after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks).\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":1.0,"active":false,"closed":true,"start_date":"2026-08-08T21:15:00Z","end_date":"2026-08-23T21:10:00Z","closed_time":"2026-08-09T23:09:53Z","volume":778566.55,"volume_24hr":778566.55,"prob_24h_change":-0.24,"volume_24h_change":778518.55,"normalized_vol_24hr":75.98834991455078,"normalized_volume":57.28388977050781,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-10T00:28:26.210400Z","fetched_at":"2026-08-09T23:14:33.624339Z","added_at":"2026-08-08T21:25:36.743236Z","url":"https://kalshi.com/markets/kxwtadoubles/hsieh-s-w-ostapenko-vs-li-tauson/kxwtadoubles-26aug09hsiostanntau","event_title":"Hsieh S-W / Ostapenko vs Li / Tauson","chart_24h":[0.25,0.25,0.25,0.25,0.25,0.25,0.2,0.2,0.2,0.2,0.2,0.2,0.21,0.21,0.2,0.2,0.19,0.23,0.24,0.24,0.47,0.02,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXWTADOUBLES-26AUG09HSIOSTANNTAU","as_of":"2026-08-10T01:11:07.756922Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Hsieh S-W / Ostapenko vs Li / Tauson\" — top market at 1% probability across 2 outcomes","source_url":null}}