{"source":"kalshi","id":"KXATPCHALLENGERMATCH-26MAY31MATROD","ticker":"KXATPCHALLENGERMATCH-26MAY31MATROD","slug":"KXATPCHALLENGERMATCH-26MAY31MATROD","title":"Matsuoka vs Roddick","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-05-31T04:42:00Z","end_date":"2026-06-14T14:00:00Z","closed_time":"2026-05-31T15:45:50Z","volume":80783.35,"volume_24hr":80783.35,"volume_24h_change":null,"normalized_vol_24hr":38.4814567565918,"normalized_volume":34.28643798828125,"liquidity":null,"open_interest":62954.47,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26MAY31MATROD","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Hayato Matsuoka","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":24595.41,"updated_at":"2026-05-31T15:59:07.122612Z","fetched_at":"2026-05-31T15:59:07.122612Z","added_at":"2026-05-31T04:42:13.788039Z","url":"https://kalshi.com/markets/kxatpchallengermatch/matsuoka-vs-roddick/kxatpchallengermatch-26may31matrod","chart_24h":[0.0,0.0,1.0,76.0,126.0,35932.77,42148.06,80783.35],"markets":[{"source":"kalshi","id":"KXATPCHALLENGERMATCH-26MAY31MATROD-MAT","event_id":"KXATPCHALLENGERMATCH-26MAY31MATROD","slug":"KXATPCHALLENGERMATCH-26MAY31MATROD-MAT","question":"Will Hayato Matsuoka win the Matsuoka vs Roddick: Qualification match?","group_item_title":"Hayato Matsuoka","description":"If Hayato Matsuoka wins the Matsuoka vs Roddick professional tennis match in the 2026 ATP Challenger Tyler Qualification after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Matsuoka vs Roddick professional tennis match in the 2026 ATP Challenger Tyler Qualification 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":[0.99,0.010000000000000009],"probability":0.99,"spread":1.0,"active":false,"closed":true,"start_date":"2026-05-31T04:42:00Z","end_date":"2026-06-14T14:00:00Z","closed_time":"2026-05-31T15:45:50Z","volume":24595.41,"volume_24hr":24595.41,"prob_24h_change":0.99,"volume_24h_change":24595.41,"normalized_vol_24hr":33.15118408203125,"normalized_volume":31.691442489624023,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-31T15:59:38.389886Z","fetched_at":"2026-05-31T15:59:07.135314Z","added_at":"2026-05-31T04:42:13.875096Z","url":"https://kalshi.com/markets/kxatpchallengermatch/matsuoka-vs-roddick/kxatpchallengermatch-26may31matrod","event_title":"Matsuoka vs Roddick","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.91,0.91,0.91,0.91,0.7,0.75,0.75,0.85,0.91,0.99]},{"source":"kalshi","id":"KXATPCHALLENGERMATCH-26MAY31MATROD-ROD","event_id":"KXATPCHALLENGERMATCH-26MAY31MATROD","slug":"KXATPCHALLENGERMATCH-26MAY31MATROD-ROD","question":"Will Jerry Roddick win the Matsuoka vs Roddick: Qualification match?","group_item_title":"Jerry Roddick","description":"If Jerry Roddick wins the Matsuoka vs Roddick professional tennis match in the 2026 ATP Challenger Tyler Qualification after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Matsuoka vs Roddick professional tennis match in the 2026 ATP Challenger Tyler Qualification 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":[0.01,0.99],"probability":0.01,"spread":1.0,"active":false,"closed":true,"start_date":"2026-05-31T04:42:00Z","end_date":"2026-06-14T14:00:00Z","closed_time":"2026-05-31T15:45:50Z","volume":56187.94,"volume_24hr":56187.94,"prob_24h_change":0.01,"volume_24h_change":56187.94,"normalized_vol_24hr":38.790103912353516,"normalized_volume":37.082061767578125,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-31T15:59:38.389886Z","fetched_at":"2026-05-31T15:59:07.135314Z","added_at":"2026-05-31T04:42:13.875096Z","url":"https://kalshi.com/markets/kxatpchallengermatch/matsuoka-vs-roddick/kxatpchallengermatch-26may31matrod","event_title":"Matsuoka vs Roddick","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.59,0.59,0.59,0.59,0.19,0.1,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXATPCHALLENGERMATCH-26MAY31MATROD","as_of":"2026-05-31T19:47:16.823251Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Matsuoka vs Roddick\" — top market at 1% probability across 2 outcomes","source_url":null}}