{"source":"kalshi","id":"KXWTANATSTAGE-26QF","ticker":"KXWTANATSTAGE-26QF","slug":"KXWTANATSTAGE-26QF","title":"US Open Women's Singles: Americans to Reach Quarterfinals","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-20T21:00:00Z","end_date":"2026-09-21T14:00:00Z","closed_time":null,"volume":1422.0,"volume_24hr":1422.0,"volume_24h_change":null,"normalized_vol_24hr":18.529586791992188,"normalized_volume":14.503914833068848,"liquidity":null,"open_interest":1422.0,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"3+ Americans","top_outcome_probability":0.61,"top_outcome_prob_24h_change":0.61,"top_outcome_volume_24h_change":202.0,"updated_at":"2026-08-23T20:18:05.379538Z","fetched_at":"2026-08-23T20:18:05.379538Z","added_at":"2026-08-20T21:07:34.839944Z","url":"https://kalshi.com/markets/kxwtanatstage/us-open-womens-singles-americans-to-reach-quarterfinals/kxwtanatstage-26qf","chart_24h":[405.0,1217.0,1422.0],"markets":[{"source":"kalshi","id":"KXWTANATSTAGE-26QF-3","event_id":"KXWTANATSTAGE-26QF","slug":"KXWTANATSTAGE-26QF-3","question":"3+ American players to reach the Quarterfinals in the 2026 US Open Women's Singles?","group_item_title":"3+ Americans","description":"If 3+ Americans reach the Quarterfinals in the 2026 US Open Women's Singles, then the market resolves to Yes.\n\n---\n\nThe players’ nationalities reflect those designated by the Governing League.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. 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