{"source":"kalshi","id":"KXATPSETWINNER-26MAY30ARNCOL-1","ticker":"KXATPSETWINNER-26MAY30ARNCOL-1","slug":"KXATPSETWINNER-26MAY30ARNCOL-1","title":"Matteo Arnaldi vs Raphael Collignon: Set 1 Winner","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-05-28T21:40:00Z","end_date":"2026-06-13T09:00:00Z","closed_time":"2026-05-30T15:46:27Z","volume":26502.940000000002,"volume_24hr":26363.940000000002,"volume_24h_change":null,"normalized_vol_24hr":35.91786193847656,"normalized_volume":27.988536834716797,"liquidity":null,"open_interest":20316.879999999997,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26MAY30ARNCOL-1","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Matteo Arnaldi","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":16033.09,"updated_at":"2026-05-30T15:55:46.767632Z","fetched_at":"2026-05-30T15:55:46.767632Z","added_at":"2026-05-28T21:50:45.550460Z","url":"https://kalshi.com/markets/kxatpsetwinner/matteo-arnaldi-vs-raphael-collignon-set-1-winner/kxatpsetwinner-26may30arncol-1","chart_24h":[261.87,152.52,462.09,478.3,486.53,906.8799999999999,1419.81,23276.09,26363.940000000002],"markets":[{"source":"kalshi","id":"KXATPSETWINNER-26MAY30ARNCOL-1-ARN","event_id":"KXATPSETWINNER-26MAY30ARNCOL-1","slug":"KXATPSETWINNER-26MAY30ARNCOL-1-ARN","question":"Will Matteo Arnaldi win set 1 in the Matteo Arnaldi vs Raphael Collignon match","group_item_title":"Matteo Arnaldi","description":"If Matteo Arnaldi wins set 1 in the Matteo Arnaldi vs Raphael Collignon professional tennis match in the 2026 French Open Men Singles Round Of 32, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Matteo Arnaldi vs Raphael Collignon professional tennis match in the 2026 French Open Men Singles Round Of 32. 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). If a retirement occurs, all markets that can be unconditionally settled based on play already completed will resolve accordingly. Any markets that cannot be unconditionally settled will resolve to Fair Market Price, as determined at the sole discretion of the Exchange.","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":"2026-05-28T21:40:00Z","end_date":"2026-06-13T09:00:00Z","closed_time":"2026-05-30T15:46:27Z","volume":16033.09,"volume_24hr":16033.09,"prob_24h_change":0.99,"volume_24h_change":16033.09,"normalized_vol_24hr":34.741275787353516,"normalized_volume":30.419233322143555,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-30T15:56:08.795221Z","fetched_at":"2026-05-30T15:55:46.775425Z","added_at":"2026-05-28T21:50:45.614596Z","url":"https://kalshi.com/markets/kxatpsetwinner/matteo-arnaldi-vs-raphael-collignon-set-1-winner/kxatpsetwinner-26may30arncol-1","event_title":"Matteo Arnaldi vs Raphael Collignon: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.45,0.45,0.42,0.99,0.99]},{"source":"kalshi","id":"KXATPSETWINNER-26MAY30ARNCOL-1-COL","event_id":"KXATPSETWINNER-26MAY30ARNCOL-1","slug":"KXATPSETWINNER-26MAY30ARNCOL-1-COL","question":"Will Raphael Collignon win set 1 in the Matteo Arnaldi vs Raphael Collignon match","group_item_title":"Raphael Collignon","description":"If Raphael Collignon wins set 1 in the Matteo Arnaldi vs Raphael Collignon professional tennis match in the 2026 French Open Men Singles Round Of 32, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Matteo Arnaldi vs Raphael Collignon professional tennis match in the 2026 French Open Men Singles Round Of 32. 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). If a retirement occurs, all markets that can be unconditionally settled based on play already completed will resolve accordingly. Any markets that cannot be unconditionally settled will resolve to Fair Market Price, as determined at the sole discretion of the Exchange.","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":"2026-05-28T21:40:00Z","end_date":"2026-06-13T09:00:00Z","closed_time":"2026-05-30T15:46:27Z","volume":10469.85,"volume_24hr":10330.85,"prob_24h_change":-0.54,"volume_24h_change":10191.85,"normalized_vol_24hr":31.6590518951416,"normalized_volume":27.800674438476562,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-30T15:56:08.795221Z","fetched_at":"2026-05-30T15:55:46.775425Z","added_at":"2026-05-28T21:50:45.614596Z","url":"https://kalshi.com/markets/kxatpsetwinner/matteo-arnaldi-vs-raphael-collignon-set-1-winner/kxatpsetwinner-26may30arncol-1","event_title":"Matteo Arnaldi vs Raphael Collignon: Set 1 Winner","chart_24h":[0.55,0.55,0.55,0.55,0.55,0.6,0.6,0.6,0.59,0.59,0.59,0.6,0.6,0.59,0.61,0.6,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXATPSETWINNER-26MAY30ARNCOL-1","as_of":"2026-05-30T21:44:46.816463Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Matteo Arnaldi vs Raphael Collignon: Set 1 Winner\" — top market at 99% probability across 2 outcomes","source_url":null}}