{"source":"kalshi","id":"HOUSECA21-26","ticker":"HOUSECA21-26","slug":"HOUSECA21-26","title":"CA-21 House winner?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2025-07-01T21:00:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":null,"volume":12226.44,"volume_24hr":0.0,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":19.792383193969727,"liquidity":null,"open_interest":9227.51,"categories":["Elections"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Jim Costa","top_outcome_probability":0.89,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":-17.0,"updated_at":"2026-07-25T05:05:48.467267Z","fetched_at":"2026-07-25T05:05:48.467267Z","added_at":null,"url":"https://kalshi.com/markets/houseca21/ca-21-house-winner/houseca21-26","chart_24h":null,"markets":[{"source":"kalshi","id":"HOUSECA21-26-D","event_id":"HOUSECA21-26","slug":"HOUSECA21-26-D","question":"Will a Democrat win the House race for CA-21?","group_item_title":"Jim Costa","description":"If the House member sworn in for CA-21 for the term beginning in 2027 is a member of the Democratic Party, then the market resolves to Yes.\n\n---\n\nThis market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.89,0.10999999999999999],"probability":0.89,"spread":0.04500000000000004,"active":true,"closed":false,"start_date":"2025-07-01T21:00:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":"2027-11-03T15:00:00Z","volume":3667.51,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":-17.0,"normalized_vol_24hr":null,"normalized_volume":17.531192779541016,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-07-25T17:58:31.835720Z","fetched_at":"2026-07-25T17:58:31.835720Z","added_at":null,"url":"https://kalshi.com/markets/houseca21/ca-21-house-winner/houseca21-26","event_title":"CA-21 House winner?","chart_24h":[0.89,0.89,0.89]},{"source":"kalshi","id":"HOUSECA21-26-R","event_id":"HOUSECA21-26","slug":"HOUSECA21-26-R","question":"Will a Republican win the House race for CA-21?","group_item_title":"Kyle Kirkland","description":"If the House member sworn in for CA-21 for the term beginning in 2027 is a member of the Republican Party, then the market resolves to Yes.\n\n---\n\nThis market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.1,0.9],"probability":0.1,"spread":0.009999999999999995,"active":true,"closed":false,"start_date":"2025-07-01T21:00:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":"2027-11-03T15:00:00Z","volume":8558.93,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":21.33769989013672,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-07-25T16:36:29.240535Z","fetched_at":"2026-07-25T16:36:29.240535Z","added_at":null,"url":"https://kalshi.com/markets/houseca21/ca-21-house-winner/houseca21-26","event_title":"CA-21 House winner?","chart_24h":[0.1,0.1,0.1]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/HOUSECA21-26","as_of":"2026-07-25T18:11:35.627674Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"CA-21 House winner?\" — top market at 89% probability across 2 outcomes","source_url":null}}