{"_meta":{"attribution":"Data aggregated by pdata.world (https://pdata.world) from 8 prediction-market venues; CC BY 4.0; source data © each venue.","canonical_url":"https://pdata.world/events/kalshi/KXATPCHALLENGERMATCH-26OCT23DONROM","as_of":"2026-10-23T09:49:56.637634Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Donald vs Romano\" — \"Matthew William Donald\" leads at 54% across 2 outcomes as of 2026-10-23 UTC. https://pdata.world/events/kalshi/KXATPCHALLENGERMATCH-26OCT23DONROM","source_url":"https://kalshi.com/markets/kxatpchallengermatch/donald-vs-romano/kxatpchallengermatch-26oct23donrom"},"source":"kalshi","id":"KXATPCHALLENGERMATCH-26OCT23DONROM","ticker":"KXATPCHALLENGERMATCH-26OCT23DONROM","slug":"KXATPCHALLENGERMATCH-26OCT23DONROM","title":"Donald vs Romano","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-10-22T21:40:00Z","end_date":"2026-11-06T09:30:00Z","closed_time":null,"volume":10478.01,"volume_24hr":5417.15,"volume_24h_change":null,"normalized_vol_24hr":21.644872665405273,"normalized_volume":22.96012306213379,"liquidity":null,"open_interest":10390.16,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26OCT23DONROM","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Matthew William Donald","top_outcome_probability":0.54,"top_outcome_prob_24h_change":0.54,"top_outcome_volume_24h_change":4705.58,"updated_at":"2026-10-23T09:37:46.832627Z","fetched_at":"2026-10-23T09:37:46.832627Z","added_at":"2026-10-22T21:43:29.172795Z","url":"https://kalshi.com/markets/kxatpchallengermatch/donald-vs-romano/kxatpchallengermatch-26oct23donrom","chart_24h":[0.0,17.0,35.18,35.18,42.18,53.66,70.66,461.66,817.53,1072.12,1781.27,1942.77,1942.77,2657.56,4109.76,4220.76,5417.15],"kind":"live","mutually_exclusive":true,"markets_total":2,"markets":[{"source":"kalshi","id":"KXATPCHALLENGERMATCH-26OCT23DONROM-DON","event_id":"KXATPCHALLENGERMATCH-26OCT23DONROM","slug":"KXATPCHALLENGERMATCH-26OCT23DONROM-DON","question":"Matthew William Donald wins","group_item_title":"Matthew William Donald","description":"If Matthew William Donald wins the Donald vs Romano professional tennis match in the 2026 ATP Challenger Florence Quarterfinal after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Donald vs Romano professional tennis match in the 2026 ATP Challenger Florence 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":[0.54,0.45999999999999996],"probability":0.54,"spread":0.020000000000000018,"active":true,"closed":false,"start_date":"2026-10-22T21:40:00Z","end_date":"2026-11-06T09:30:00Z","closed_time":"2026-11-06T09:30:00Z","result":null,"volume":9745.44,"volume_24hr":4705.58,"prob_24h_change":0.54,"volume_24h_change":4705.58,"normalized_vol_24hr":23.879627227783203,"normalized_volume":26.260639190673828,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-23T09:37:46.990785Z","fetched_at":"2026-10-23T09:37:46.990785Z","added_at":"2026-10-22T21:43:29.279211Z","url":"https://kalshi.com/markets/kxatpchallengermatch/donald-vs-romano/kxatpchallengermatch-26oct23donrom","event_title":"Donald vs Romano","chart_24h":[0.0,0.53,0.53,0.53,0.54,0.54,0.54,0.54,0.54,0.54,0.54,0.54,0.54,0.54,0.54]},{"source":"kalshi","id":"KXATPCHALLENGERMATCH-26OCT23DONROM-ROM","event_id":"KXATPCHALLENGERMATCH-26OCT23DONROM","slug":"KXATPCHALLENGERMATCH-26OCT23DONROM-ROM","question":"Filippo Romano wins","group_item_title":"Filippo Romano","description":"If Filippo Romano wins the Donald vs Romano professional tennis match in the 2026 ATP Challenger Florence Quarterfinal after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Donald vs Romano professional tennis match in the 2026 ATP Challenger Florence 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":[0.47,0.53],"probability":0.47,"spread":0.019999999999999962,"active":true,"closed":false,"start_date":"2026-10-22T21:40:00Z","end_date":"2026-11-06T09:30:00Z","closed_time":"2026-11-06T09:30:00Z","result":null,"volume":732.57,"volume_24hr":711.57,"prob_24h_change":0.47,"volume_24h_change":711.57,"normalized_vol_24hr":14.408088684082031,"normalized_volume":13.551703453063965,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-23T09:37:46.990785Z","fetched_at":"2026-10-23T09:37:46.990785Z","added_at":"2026-10-22T21:43:29.279211Z","url":"https://kalshi.com/markets/kxatpchallengermatch/donald-vs-romano/kxatpchallengermatch-26oct23donrom","event_title":"Donald vs Romano","chart_24h":[0.0,0.0,0.48,0.48,0.48,0.47,0.47,0.47,0.47,0.47]}]}