{"source":"kalshi","id":"KXWTADOUBLES-26JUL02OSOSIEWILWIL","ticker":"KXWTADOUBLES-26JUL02OSOSIEWILWIL","slug":"KXWTADOUBLES-26JUL02OSOSIEWILWIL","title":"Osorio / Sierra vs Williams / Williams","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-06-30T15:32:00Z","end_date":"2026-07-16T10:00:00Z","closed_time":null,"volume":2311.74,"volume_24hr":1053.57,"volume_24h_change":null,"normalized_vol_24hr":14.74824047088623,"normalized_volume":17.024181365966797,"liquidity":null,"open_interest":1894.55,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26JUL02OSOSIEWILWIL","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Serena Williams / Venus Williams","top_outcome_probability":0.85,"top_outcome_prob_24h_change":0.05999999999999994,"top_outcome_volume_24h_change":-16.5,"updated_at":"2026-07-03T06:42:32.619286Z","fetched_at":"2026-07-03T06:42:32.619286Z","added_at":"2026-06-30T15:33:45.651812Z","url":"https://kalshi.com/markets/kxwtadoubles/osorio-sierra-vs-williams-williams/kxwtadoubles-26jul02ososiewilwil","chart_24h":[478.55,482.26,484.97,486.56,487.75,477.75,482.75,468.53000000000003,199.53,235.5,236.79,235.3,433.29999999999995,600.05,610.05,790.62,822.1,822.1,936.0,929.8399999999999,979.8399999999999,1022.44,1022.44,1024.76,1009.78,1025.58,1063.58,1044.09,1052.75,1058.57],"markets":[{"source":"kalshi","id":"KXWTADOUBLES-26JUL02OSOSIEWILWIL-WILWIL","event_id":"KXWTADOUBLES-26JUL02OSOSIEWILWIL","slug":"KXWTADOUBLES-26JUL02OSOSIEWILWIL-WILWIL","question":"Will Serena Williams / Venus Williams win the Osorio / Sierra vs Williams / Williams: Round Of 64 match?","group_item_title":"Serena Williams / Venus Williams","description":"If Serena Williams / Venus Williams wins the Osorio / Sierra vs Williams / Williams professional tennis match in the 2026 Wimbledon Women Doubles Round Of 64 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Osorio / Sierra vs Williams / Williams professional tennis match in the 2026 Wimbledon Women Doubles Round Of 64 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).","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.85,0.15000000000000002],"probability":0.85,"spread":0.5700000000000001,"active":true,"closed":false,"start_date":"2026-06-30T15:32:00Z","end_date":"2026-07-16T10:00:00Z","closed_time":"2026-07-16T10:00:00Z","volume":980.5,"volume_24hr":336.07,"prob_24h_change":0.05999999999999994,"volume_24h_change":-16.5,"normalized_vol_24hr":11.121621131896973,"normalized_volume":14.036410331726074,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-07-03T06:54:50.251064Z","fetched_at":"2026-07-03T06:54:50.251064Z","added_at":"2026-06-30T15:33:45.769093Z","url":"https://kalshi.com/markets/kxwtadoubles/osorio-sierra-vs-williams-williams/kxwtadoubles-26jul02ososiewilwil","event_title":"Osorio / Sierra vs Williams / Williams","chart_24h":[0.79,0.79,0.79,0.79,0.79,0.79,0.79,0.83,0.83,0.83,0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.63,0.63,0.63,0.87,0.87,0.87,0.88,0.88,0.88,0.88,0.88,0.88,0.88,0.88,0.67,0.85]},{"source":"kalshi","id":"KXWTADOUBLES-26JUL02OSOSIEWILWIL-OSOSIE","event_id":"KXWTADOUBLES-26JUL02OSOSIEWILWIL","slug":"KXWTADOUBLES-26JUL02OSOSIEWILWIL-OSOSIE","question":"Will Camila Osorio / Solana Sierra win the Osorio / Sierra vs Williams / Williams: Round Of 64 match?","group_item_title":"Camila Osorio / Solana Sierra","description":"If Camila Osorio / Solana Sierra wins the Osorio / Sierra vs Williams / Williams professional tennis match in the 2026 Wimbledon Women Doubles Round Of 64 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Osorio / Sierra vs Williams / Williams professional tennis match in the 2026 Wimbledon Women Doubles Round Of 64 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).","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.35,0.65],"probability":0.35,"spread":0.34,"active":true,"closed":false,"start_date":"2026-06-30T15:32:00Z","end_date":"2026-07-16T10:00:00Z","closed_time":"2026-07-16T10:00:00Z","volume":1331.24,"volume_24hr":717.5,"prob_24h_change":-0.32000000000000006,"volume_24h_change":591.52,"normalized_vol_24hr":14.20222282409668,"normalized_volume":15.309066772460938,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-07-03T06:54:50.251064Z","fetched_at":"2026-07-03T06:54:50.251064Z","added_at":"2026-06-30T15:33:45.769093Z","url":"https://kalshi.com/markets/kxwtadoubles/osorio-sierra-vs-williams-williams/kxwtadoubles-26jul02ososiewilwil","event_title":"Osorio / Sierra vs Williams / Williams","chart_24h":[0.67,0.67,0.75,0.75,0.9,0.9,0.32,0.32,0.32,0.5,0.32,0.32,0.47,0.44,0.44,0.44,0.36,0.35,0.35,0.35,0.35,0.63,0.63,0.63,0.63,0.62,0.58,0.56,0.35,0.35]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXWTADOUBLES-26JUL02OSOSIEWILWIL","as_of":"2026-07-03T07:06:00.811899Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Osorio / Sierra vs Williams / Williams\" — top market at 35% probability across 2 outcomes","source_url":null}}