{"source":"kalshi","id":"KXWTASETWINNER-26JUL31KALSTE-1","ticker":"KXWTASETWINNER-26JUL31KALSTE-1","slug":"KXWTASETWINNER-26JUL31KALSTE-1","title":"Elvina Kalieva vs Peyton Stearns: Set 1 Winner","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-07-30T22:40:00Z","end_date":"2026-08-14T17:10:00Z","closed_time":"2026-07-31T18:46:15Z","volume":105901.0,"volume_24hr":105901.0,"volume_24h_change":null,"normalized_vol_24hr":46.87105941772461,"normalized_volume":36.141231536865234,"liquidity":null,"open_interest":76130.63,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26JUL31KALSTE-1","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Elvina Kalieva","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":72390.53,"updated_at":"2026-07-31T18:57:37.091286Z","fetched_at":"2026-07-31T18:57:37.091286Z","added_at":"2026-07-30T22:48:59.182289Z","url":"https://kalshi.com/markets/kxwtasetwinner/elvina-kalieva-vs-peyton-stearns-set-1-winner/kxwtasetwinner-26jul31kalste-1","chart_24h":[0.0,447.45,587.45,978.2,978.92,1053.92,1069.92,5028.99,103909.0,105901.0],"markets":[{"source":"kalshi","id":"KXWTASETWINNER-26JUL31KALSTE-1-KAL","event_id":"KXWTASETWINNER-26JUL31KALSTE-1","slug":"KXWTASETWINNER-26JUL31KALSTE-1-KAL","question":"Will Elvina Kalieva win set 1 in the Elvina Kalieva vs Peyton Stearns match","group_item_title":"Elvina Kalieva","description":"If Elvina Kalieva wins set 1 in the Elvina Kalieva vs Peyton Stearns professional tennis match in the 2026 WTA Memphis Quarterfinal, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Elvina Kalieva vs Peyton Stearns professional tennis match in the 2026 WTA Memphis Quarterfinal. 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":"2026-07-30T22:40:00Z","end_date":"2026-08-14T17:10:00Z","closed_time":"2026-07-31T18:46:15Z","volume":72390.53,"volume_24hr":72390.53,"prob_24h_change":0.99,"volume_24h_change":72390.53,"normalized_vol_24hr":50.72366714477539,"normalized_volume":38.97871398925781,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-07-31T18:58:21.247027Z","fetched_at":"2026-07-31T18:57:37.112975Z","added_at":"2026-07-30T22:48:59.412988Z","url":"https://kalshi.com/markets/kxwtasetwinner/elvina-kalieva-vs-peyton-stearns-set-1-winner/kxwtasetwinner-26jul31kalste-1","event_title":"Elvina Kalieva vs Peyton Stearns: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.32,0.32,0.33,0.33,0.33,0.33,0.31,0.99,0.99]},{"source":"kalshi","id":"KXWTASETWINNER-26JUL31KALSTE-1-STE","event_id":"KXWTASETWINNER-26JUL31KALSTE-1","slug":"KXWTASETWINNER-26JUL31KALSTE-1-STE","question":"Will Peyton Stearns win set 1 in the Elvina Kalieva vs Peyton Stearns match","group_item_title":"Peyton Stearns","description":"If Peyton Stearns wins set 1 in the Elvina Kalieva vs Peyton Stearns professional tennis match in the 2026 WTA Memphis Quarterfinal, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Elvina Kalieva vs Peyton Stearns professional tennis match in the 2026 WTA Memphis Quarterfinal. 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":"2026-07-30T22:40:00Z","end_date":"2026-08-14T17:10:00Z","closed_time":"2026-07-31T18:46:15Z","volume":33510.47,"volume_24hr":33510.47,"prob_24h_change":0.01,"volume_24h_change":33510.47,"normalized_vol_24hr":43.98131561279297,"normalized_volume":33.79753875732422,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-07-31T18:57:37.112975Z","fetched_at":"2026-07-31T18:57:37.112975Z","added_at":"2026-07-30T22:48:59.412988Z","url":"https://kalshi.com/markets/kxwtasetwinner/elvina-kalieva-vs-peyton-stearns-set-1-winner/kxwtasetwinner-26jul31kalste-1","event_title":"Elvina Kalieva vs Peyton Stearns: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.69,0.69,0.68,0.69,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXWTASETWINNER-26JUL31KALSTE-1","as_of":"2026-07-31T20:50:48.031328Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Elvina Kalieva vs Peyton Stearns: Set 1 Winner\" — top market at 99% probability across 2 outcomes","source_url":null}}