{"_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/KXWTACHALLENGERMATCH-26OCT18GEESAM","as_of":"2026-10-18T11:02:50.314344Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Geerlings Martinez vs Samson\" — closed 2026-11-01; final leader \"Ariana Geerlings Martinez\" at 99%. https://pdata.world/events/kalshi/KXWTACHALLENGERMATCH-26OCT18GEESAM","source_url":"https://kalshi.com/markets/kxwtachallengermatch/geerlings-martinez-vs-samson/kxwtachallengermatch-26oct18geesam"},"source":"kalshi","id":"KXWTACHALLENGERMATCH-26OCT18GEESAM","ticker":"KXWTACHALLENGERMATCH-26OCT18GEESAM","slug":"KXWTACHALLENGERMATCH-26OCT18GEESAM","title":"Geerlings Martinez vs Samson","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-10-17T20:10:00Z","end_date":"2026-11-01T08:00:00Z","closed_time":"2026-11-01T08:00:00Z","volume":450869.71,"volume_24hr":450869.71,"volume_24h_change":null,"normalized_vol_24hr":54.393577575683594,"normalized_volume":45.49525833129883,"liquidity":null,"open_interest":224912.28,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26OCT18GEESAM","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Ariana Geerlings Martinez","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":190583.79,"updated_at":"2026-10-18T09:37:06.039613Z","fetched_at":"2026-10-18T09:37:06.039613Z","added_at":"2026-10-17T20:22:59.821348Z","url":"https://kalshi.com/markets/kxwtachallengermatch/geerlings-martinez-vs-samson/kxwtachallengermatch-26oct18geesam","chart_24h":[0.0,14.99,15.99,57.690000000000005,96.68,146.13,167.07999999999998,187.07999999999998,202.54999999999998,1066.69,2157.27,26117.309999999998,108610.6,340462.53,450869.71],"kind":"live","mutually_exclusive":true,"markets_total":2,"markets":[{"source":"kalshi","id":"KXWTACHALLENGERMATCH-26OCT18GEESAM-GEE","event_id":"KXWTACHALLENGERMATCH-26OCT18GEESAM","slug":"KXWTACHALLENGERMATCH-26OCT18GEESAM-GEE","question":"Ariana Geerlings Martinez wins","group_item_title":"Ariana Geerlings Martinez","description":"If Ariana Geerlings Martinez wins the Geerlings Martinez vs Samson professional tennis match in the 2026 WTA 125K Mallorca Final after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Geerlings Martinez vs Samson professional tennis match in the 2026 WTA 125K Mallorca Final 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":[0.99,0.010000000000000009],"probability":0.99,"spread":0.010000000000000009,"active":false,"closed":true,"start_date":"2026-10-17T20:10:00Z","end_date":"2026-11-01T08:00:00Z","closed_time":"2026-11-01T08:00:00Z","result":null,"volume":190583.79,"volume_24hr":190583.79,"prob_24h_change":0.99,"volume_24h_change":190583.79,"normalized_vol_24hr":51.83721160888672,"normalized_volume":46.01433181762695,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T09:37:06.067760Z","fetched_at":"2026-10-18T09:37:06.067760Z","added_at":"2026-10-17T20:22:59.941539Z","url":"https://kalshi.com/markets/kxwtachallengermatch/geerlings-martinez-vs-samson/kxwtachallengermatch-26oct18geesam","event_title":"Geerlings Martinez vs Samson","chart_24h":[0.0,0.4,0.4,0.39,0.39,0.39,0.38,0.38,0.4,0.42,0.68,0.86,0.99]},{"source":"kalshi","id":"KXWTACHALLENGERMATCH-26OCT18GEESAM-SAM","event_id":"KXWTACHALLENGERMATCH-26OCT18GEESAM","slug":"KXWTACHALLENGERMATCH-26OCT18GEESAM-SAM","question":"Laura Samson wins","group_item_title":"Laura Samson","description":"If Laura Samson wins the Geerlings Martinez vs Samson professional tennis match in the 2026 WTA 125K Mallorca Final after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Geerlings Martinez vs Samson professional tennis match in the 2026 WTA 125K Mallorca Final 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":[0.01,0.99],"probability":0.01,"spread":0.01,"active":false,"closed":true,"start_date":"2026-10-17T20:10:00Z","end_date":"2026-11-01T08:00:00Z","closed_time":"2026-11-01T08:00:00Z","result":null,"volume":260285.92,"volume_24hr":260285.92,"prob_24h_change":0.01,"volume_24h_change":260285.92,"normalized_vol_24hr":54.529151916503906,"normalized_volume":48.40388870239258,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-18T09:37:06.067760Z","fetched_at":"2026-10-18T09:37:06.067760Z","added_at":"2026-10-17T20:22:59.941539Z","url":"https://kalshi.com/markets/kxwtachallengermatch/geerlings-martinez-vs-samson/kxwtachallengermatch-26oct18geesam","event_title":"Geerlings Martinez vs Samson","chart_24h":[0.0,0.62,0.62,0.62,0.62,0.62,0.62,0.63,0.63,0.63,0.63,0.58,0.34,0.15,0.01]}]}