{"_meta":{"attribution":"Data aggregated by pdata.world (https://pdata.world) from 8 prediction-market venues; CC BY 4.0; source data © each venue.","canonical_url":"https://pdata.world/events/kalshi/HOUSECA21-26","as_of":"2026-10-24T16:49:34.974224Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"CA-21 House winner?\" — \"Jim Costa\" leads at 94% across 2 outcomes as of 2026-10-24 UTC. https://pdata.world/events/kalshi/HOUSECA21-26","source_url":"https://kalshi.com/markets/houseca21/ca-21-house-winner/houseca21-26"},"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":35180.520000000004,"volume_24hr":3681.2700000000004,"volume_24h_change":null,"normalized_vol_24hr":22.567115783691406,"normalized_volume":29.353139877319336,"liquidity":null,"open_interest":26040.36,"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":0.937,"top_outcome_prob_24h_change":-0.0029999999999998916,"top_outcome_volume_24h_change":-724.0699999999997,"updated_at":"2026-10-24T14:17:38.998733Z","fetched_at":"2026-10-24T14:17:38.998733Z","added_at":null,"url":"https://kalshi.com/markets/houseca21/ca-21-house-winner/houseca21-26","chart_24h":[2854.43,2104.49,2108.1800000000003,3684.07,3227.21,4622.13,5222.13,4992.13,5003.6900000000005,3991.87,3998.7200000000003,3681.2700000000004],"kind":"live","mutually_exclusive":true,"markets_total":2,"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":[0.937,0.06299999999999994],"probability":0.937,"spread":0.008000000000000007,"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","result":null,"volume":9467.89,"volume_24hr":2055.36,"prob_24h_change":-0.0029999999999998916,"volume_24h_change":-724.0699999999997,"normalized_vol_24hr":21.79929542541504,"normalized_volume":26.095693588256836,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-10-24T15:02:09.741363Z","fetched_at":"2026-10-24T15:02:09.741363Z","added_at":null,"url":"https://kalshi.com/markets/houseca21/ca-21-house-winner/houseca21-26","event_title":"CA-21 House winner?","chart_24h":[0.94,0.94,0.94,0.94,0.94,0.939,0.939,0.937,0.933,0.933,0.933,0.938,0.938,0.938,0.938,0.938,0.938,0.938,0.938,0.938,0.937,0.937]},{"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":[0.07,0.9299999999999999],"probability":0.07,"spread":0.010000000000000009,"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","result":null,"volume":25712.63,"volume_24hr":1625.91,"prob_24h_change":0.01900000000000001,"volume_24h_change":1550.91,"normalized_vol_24hr":20.48106575012207,"normalized_volume":32.10111618041992,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-10-24T15:31:47.415976Z","fetched_at":"2026-10-24T15:31:47.415976Z","added_at":null,"url":"https://kalshi.com/markets/houseca21/ca-21-house-winner/houseca21-26","event_title":"CA-21 House winner?","chart_24h":[0.051,0.07,0.07,0.07,0.07,0.07,0.07,0.07,0.07,0.07,0.07,0.07]}]}