{"_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/KXATPSETWINNER-26OCT25STRGRI-1","as_of":"2026-10-25T18:30:58.026310Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Jan-Lennard Struff vs Tallon Griekspoor: Set 1 Winner\" — resolved: \"Jan-Lennard Struff\" (closed 2026-10-25). https://pdata.world/events/kalshi/KXATPSETWINNER-26OCT25STRGRI-1","source_url":"https://kalshi.com/markets/kxatpsetwinner/jan-lennard-struff-vs-tallon-griekspoor-set-1-winner/kxatpsetwinner-26oct25strgri-1"},"source":"kalshi","id":"KXATPSETWINNER-26OCT25STRGRI-1","ticker":"KXATPSETWINNER-26OCT25STRGRI-1","slug":"KXATPSETWINNER-26OCT25STRGRI-1","title":"Jan-Lennard Struff vs Tallon Griekspoor: Set 1 Winner","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-10-24T19:30:00Z","end_date":"2026-11-08T15:30:00Z","closed_time":"2026-10-25T16:34:19Z","volume":151578.86,"volume_24hr":151578.86,"volume_24h_change":null,"normalized_vol_24hr":44.45167922973633,"normalized_volume":38.11161422729492,"liquidity":null,"open_interest":101734.82,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26OCT25STRGRI-1","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Jan-Lennard Struff","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":85565.8,"updated_at":"2026-10-25T16:47:26.007904Z","fetched_at":"2026-10-25T16:47:26.007904Z","added_at":"2026-10-24T19:36:23.971265Z","url":"https://kalshi.com/markets/kxatpsetwinner/jan-lennard-struff-vs-tallon-griekspoor-set-1-winner/kxatpsetwinner-26oct25strgri-1","chart_24h":[0.0,10.0,10.0,58.0,485.36,877.9499999999999,1974.83,11741.81,144358.19,151578.86],"kind":"live","mutually_exclusive":true,"markets_total":2,"markets":[{"source":"kalshi","id":"KXATPSETWINNER-26OCT25STRGRI-1-STR","event_id":"KXATPSETWINNER-26OCT25STRGRI-1","slug":"KXATPSETWINNER-26OCT25STRGRI-1-STR","question":"Will Jan-Lennard Struff win set 1 in the Jan-Lennard Struff vs Tallon Griekspoor match","group_item_title":"Jan-Lennard Struff","description":"If Jan-Lennard Struff wins set 1 in the Jan-Lennard Struff vs Tallon Griekspoor professional tennis match in the 2026 ATP Brussels Final, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Jan-Lennard Struff vs Tallon Griekspoor professional tennis match in the 2026 ATP Brussels Final. 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.\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":"2026-10-24T19:30:00Z","end_date":"2026-11-08T15:30:00Z","closed_time":"2026-10-25T16:34:19Z","result":"yes","volume":85565.8,"volume_24hr":85565.8,"prob_24h_change":0.99,"volume_24h_change":85565.8,"normalized_vol_24hr":43.554901123046875,"normalized_volume":40.152320861816406,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-25T16:47:26.024704Z","fetched_at":"2026-10-25T16:47:26.024704Z","added_at":"2026-10-24T19:36:24.074348Z","url":"https://kalshi.com/markets/kxatpsetwinner/jan-lennard-struff-vs-tallon-griekspoor-set-1-winner/kxatpsetwinner-26oct25strgri-1","event_title":"Jan-Lennard Struff vs Tallon Griekspoor: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.49,0.49,0.48,0.47,0.99,0.99]},{"source":"kalshi","id":"KXATPSETWINNER-26OCT25STRGRI-1-GRI","event_id":"KXATPSETWINNER-26OCT25STRGRI-1","slug":"KXATPSETWINNER-26OCT25STRGRI-1-GRI","question":"Will Tallon Griekspoor win set 1 in the Jan-Lennard Struff vs Tallon Griekspoor match","group_item_title":"Tallon Griekspoor","description":"If Tallon Griekspoor wins set 1 in the Jan-Lennard Struff vs Tallon Griekspoor professional tennis match in the 2026 ATP Brussels Final, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Jan-Lennard Struff vs Tallon Griekspoor professional tennis match in the 2026 ATP Brussels Final. 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.\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":"2026-10-24T19:30:00Z","end_date":"2026-11-08T15:30:00Z","closed_time":"2026-10-25T16:34:19Z","result":"no","volume":66013.06,"volume_24hr":66013.06,"prob_24h_change":0.01,"volume_24h_change":66013.06,"normalized_vol_24hr":41.58777618408203,"normalized_volume":38.338871002197266,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-25T16:47:26.024704Z","fetched_at":"2026-10-25T16:47:26.024704Z","added_at":"2026-10-24T19:36:24.074348Z","url":"https://kalshi.com/markets/kxatpsetwinner/jan-lennard-struff-vs-tallon-griekspoor-set-1-winner/kxatpsetwinner-26oct25strgri-1","event_title":"Jan-Lennard Struff vs Tallon Griekspoor: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.54,0.54,0.54,0.54,0.59,0.01,0.01]}]}