{"source":"kalshi","id":"KXPGAH2H-USO26R4SSTEEGRI","ticker":"KXPGAH2H-USO26R4SSTEEGRI","slug":"KXPGAH2H-USO26R4SSTEEGRI","title":"4th Round Head-to-Head: Stevens vs Grillo","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-06-21T01:21:00Z","end_date":"2026-07-05T18:08:00Z","closed_time":null,"volume":2803.59,"volume_24hr":2803.59,"volume_24h_change":null,"normalized_vol_24hr":18.6290283203125,"normalized_volume":15.952183723449707,"liquidity":null,"open_interest":2396.39,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"USO26R4SSTEEGRI","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Sam Stevens beats Emiliano Grillo in the 4th Round","top_outcome_probability":0.56,"top_outcome_prob_24h_change":0.56,"top_outcome_volume_24h_change":2063.04,"updated_at":"2026-06-21T16:22:35.142269Z","fetched_at":"2026-06-21T16:22:35.142269Z","added_at":"2026-06-21T01:31:19.602257Z","url":"https://kalshi.com/markets/kxpgah2h/4th-round-head-to-head-stevens-vs-grillo/kxpgah2h-uso26r4ssteegri","chart_24h":[0.0,81.84,91.54,115.51,554.41,618.96,820.8299999999999,853.8299999999999,1330.22,1378.8600000000001,1864.78,1954.07,2020.95,2504.83,2663.33],"markets":[{"source":"kalshi","id":"KXPGAH2H-USO26R4SSTEEGRI-SSTE","event_id":"KXPGAH2H-USO26R4SSTEEGRI","slug":"KXPGAH2H-USO26R4SSTEEGRI-SSTE","question":"Will Sam Stevens beat Emiliano Grillo in the 4th round of the U.S. Open?","group_item_title":"Sam Stevens beats Emiliano Grillo in the 4th Round","description":"If Sam Stevens wins the head-to-head matchup against Emiliano Grillo in the 4th round of the 2026 U.S. Open, then the market resolves to Yes.\n\n---\n\nIf the head-to-head matchup is for a singular round, only the golfers’ scores from that specific round will be considered for the resolution of the market, regardless of their cumulative tournament score at the end of that round.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the PGA. 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All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.49,0.51],"probability":0.49,"spread":0.04999999999999999,"active":true,"closed":false,"start_date":"2026-06-21T01:21:00Z","end_date":"2026-07-05T18:08:00Z","closed_time":"2026-07-05T18:08:00Z","volume":740.55,"volume_24hr":740.55,"prob_24h_change":0.49,"volume_24h_change":740.55,"normalized_vol_24hr":13.701615333557129,"normalized_volume":12.716970443725586,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-06-21T16:23:16.933598Z","fetched_at":"2026-06-21T16:22:35.292634Z","added_at":"2026-06-21T01:31:19.753923Z","url":"https://kalshi.com/markets/kxpgah2h/4th-round-head-to-head-stevens-vs-grillo/kxpgah2h-uso26r4ssteegri","event_title":"4th Round Head-to-Head: Stevens vs Grillo","chart_24h":[0.0,0.5,0.5,0.49,0.49,0.49,0.49,0.49,0.49,0.49,0.49,0.49,0.49]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXPGAH2H-USO26R4SSTEEGRI","as_of":"2026-06-21T16:35:01.318189Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"4th Round Head-to-Head: Stevens vs Grillo\" — top market at 56% probability across 2 outcomes","source_url":null}}