{"source":"kalshi","id":"KXOPENAILEADLEFT-28JAN01B","ticker":"KXOPENAILEADLEFT-28JAN01B","slug":"KXOPENAILEADLEFT-28JAN01B","title":"Which bank will lead OpenAI's IPO?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-06-03T21:00:00Z","end_date":"2028-01-08T15:00:00Z","closed_time":null,"volume":21858.33,"volume_24hr":432.42,"volume_24h_change":null,"normalized_vol_24hr":12.115105628967285,"normalized_volume":27.15282440185547,"liquidity":null,"open_interest":10593.51,"categories":["Finance"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Goldman 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