{"source":"kalshi","id":"SENATECA-28","ticker":"SENATECA-28","slug":"SENATECA-28","title":"California Senate winner? (2028)","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2025-07-15T14:00:00Z","end_date":"2029-11-07T15:00:00Z","closed_time":null,"volume":1761.93,"volume_24hr":0.0,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":14.711244583129883,"liquidity":null,"open_interest":1302.03,"categories":["Elections"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Democratic party","top_outcome_probability":0.89,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-06-09T17:35:40.550445Z","fetched_at":"2026-06-09T17:35:40.550445Z","added_at":null,"url":"https://kalshi.com/markets/senateca/california-senate-winner-2028/senateca-28","chart_24h":null,"markets":[{"source":"kalshi","id":"SENATECA-28-D","event_id":"SENATECA-28","slug":"SENATECA-28-D","question":"Will Democratics win the Senate race in California?","group_item_title":"Democratic party","description":"If a representative of the Democratic party is sworn in as a Senator of California for the term beginning in 2029, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.89,0.10999999999999999],"probability":0.89,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2025-07-15T14:00:00Z","end_date":"2029-11-07T15:00:00Z","closed_time":"2029-11-07T15:00:00Z","volume":194.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":8.522479057312012,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-06-09T18:03:35.145799Z","fetched_at":"2026-06-08T17:32:29.476461Z","added_at":null,"url":"https://kalshi.com/markets/senateca/california-senate-winner-2028/senateca-28","event_title":"California Senate winner? (2028)","chart_24h":[0.89,0.89]},{"source":"kalshi","id":"SENATECA-28-R","event_id":"SENATECA-28","slug":"SENATECA-28-R","question":"Will Republicans win the Senate race in California?","group_item_title":"Republican party","description":"If a representative of the Republican party is sworn in as a Senator of California for the term beginning in 2029, then the market resolves to Yes.","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":"2025-07-15T14:00:00Z","end_date":"2029-11-07T15:00:00Z","closed_time":"2029-11-07T15:00:00Z","volume":1567.93,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":16.595396041870117,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-06-10T08:21:27.534409Z","fetched_at":"2026-06-09T17:35:40.712896Z","added_at":null,"url":"https://kalshi.com/markets/senateca/california-senate-winner-2028/senateca-28","event_title":"California Senate winner? (2028)","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/SENATECA-28","as_of":"2026-06-10T11:34:48.753149Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"California Senate winner? (2028)\" — top market at 89% probability across 2 outcomes","source_url":null}}