{"source":"kalshi","id":"KXWTADOUBLES-26AUG19KOSSTEGUOMLA","ticker":"KXWTADOUBLES-26AUG19KOSSTEGUOMLA","slug":"KXWTADOUBLES-26AUG19KOSSTEGUOMLA","title":"Kostyuk / Stearns vs Guo / Mladenovic","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-08-18T15:05:00Z","end_date":"2026-09-02T15:00:00Z","closed_time":"2026-08-20T00:17:59Z","volume":211761.01,"volume_24hr":211730.51,"volume_24h_change":null,"normalized_vol_24hr":57.54383087158203,"normalized_volume":41.47320556640625,"liquidity":null,"open_interest":86832.51000000001,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26AUG19KOSSTEGUOMLA","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Hanyu Guo / Kristina Mladenovic","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":119134.08,"updated_at":"2026-08-20T00:45:01.850654Z","fetched_at":"2026-08-20T00:45:01.850654Z","added_at":"2026-08-18T15:12:46.982647Z","url":"https://kalshi.com/markets/kxwtadoubles/kostyuk-stearns-vs-guo-mladenovic/kxwtadoubles-26aug19kossteguomla","chart_24h":[45.43,102.15,83.75,103.35,2326.48,34362.42,93489.29999999999,211730.51],"markets":[{"source":"kalshi","id":"KXWTADOUBLES-26AUG19KOSSTEGUOMLA-GUOMLA","event_id":"KXWTADOUBLES-26AUG19KOSSTEGUOMLA","slug":"KXWTADOUBLES-26AUG19KOSSTEGUOMLA-GUOMLA","question":"Will Hanyu Guo / Kristina Mladenovic win the Kostyuk / Stearns vs Guo / Mladenovic: Round Of 16 match?","group_item_title":"Hanyu Guo / Kristina Mladenovic","description":"If Hanyu Guo / Kristina Mladenovic wins the Kostyuk / Stearns vs Guo / Mladenovic professional tennis match in the 2026 WTA Cincinnati Round Of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Kostyuk / Stearns vs Guo / Mladenovic professional tennis match in the 2026 WTA Cincinnati Round Of 16 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":"2026-08-18T15:05:00Z","end_date":"2026-09-02T15:00:00Z","closed_time":"2026-08-20T00:17:59Z","volume":119134.08,"volume_24hr":119134.08,"prob_24h_change":0.99,"volume_24h_change":119134.08,"normalized_vol_24hr":56.00542449951172,"normalized_volume":42.526611328125,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-20T00:47:17.901271Z","fetched_at":"2026-08-20T00:45:01.882530Z","added_at":"2026-08-18T15:12:47.244670Z","url":"https://kalshi.com/markets/kxwtadoubles/kostyuk-stearns-vs-guo-mladenovic/kxwtadoubles-26aug19kossteguomla","event_title":"Kostyuk / Stearns vs Guo / Mladenovic","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.36,0.36,0.47,0.45,0.36,0.54,0.99]},{"source":"kalshi","id":"KXWTADOUBLES-26AUG19KOSSTEGUOMLA-KOSSTE","event_id":"KXWTADOUBLES-26AUG19KOSSTEGUOMLA","slug":"KXWTADOUBLES-26AUG19KOSSTEGUOMLA-KOSSTE","question":"Will Marta Kostyuk / Peyton Stearns win the Kostyuk / Stearns vs Guo / Mladenovic: Round Of 16 match?","group_item_title":"Marta Kostyuk / Peyton Stearns","description":"If Marta Kostyuk / Peyton Stearns wins the Kostyuk / Stearns vs Guo / Mladenovic professional tennis match in the 2026 WTA Cincinnati Round Of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Kostyuk / Stearns vs Guo / Mladenovic professional tennis match in the 2026 WTA Cincinnati Round Of 16 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":"2026-08-18T15:05:00Z","end_date":"2026-09-02T15:00:00Z","closed_time":"2026-08-20T00:17:59Z","volume":92626.93,"volume_24hr":92596.43,"prob_24h_change":-0.63,"volume_24h_change":92565.93,"normalized_vol_24hr":53.616477966308594,"normalized_volume":40.7149543762207,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-20T00:47:17.901271Z","fetched_at":"2026-08-20T00:45:01.882530Z","added_at":"2026-08-18T15:12:47.244670Z","url":"https://kalshi.com/markets/kxwtadoubles/kostyuk-stearns-vs-guo-mladenovic/kxwtadoubles-26aug19kossteguomla","event_title":"Kostyuk / Stearns vs Guo / Mladenovic","chart_24h":[0.64,0.64,0.64,0.64,0.64,0.64,0.64,0.64,0.64,0.42,0.42,0.69,0.58,0.69,0.45,0.64,0.48,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXWTADOUBLES-26AUG19KOSSTEGUOMLA","as_of":"2026-08-20T02:56:54.995834Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Kostyuk / Stearns vs Guo / Mladenovic\" — top market at 99% probability across 2 outcomes","source_url":null}}