{"source":"kalshi","id":"KXSENATEMAR-26","ticker":"KXSENATEMAR-26","slug":"KXSENATEMAR-26","title":"Massachusetts Republican Senate nominee?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2025-12-04T15:00:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":null,"volume":12662.6,"volume_24hr":0.0,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":19.940074920654297,"liquidity":null,"open_interest":5270.639999999999,"categories":["Elections"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"John Deaton","top_outcome_probability":0.903,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-07-23T14:24:45.794611Z","fetched_at":"2026-07-23T14:24:45.794611Z","added_at":null,"url":"https://kalshi.com/markets/kxsenatemar/massachusetts-republican-senate-nominee/kxsenatemar-26","chart_24h":null,"markets":[{"source":"kalshi","id":"KXSENATEMAR-26-JDEA","event_id":"KXSENATEMAR-26","slug":"KXSENATEMAR-26-JDEA","question":"Will John Deaton be the Republican nominee for the Senate in Massachusetts?","group_item_title":"John Deaton","description":"If John Deaton wins the nomination for the Republican Party to contest the 2026 Class II Massachusetts Senate seat, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.903,0.09699999999999998],"probability":0.903,"spread":0.08499999999999996,"active":true,"closed":false,"start_date":"2025-12-04T15:00:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":"2027-11-03T15:00:00Z","volume":10897.08,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":22.491039276123047,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-07-25T17:03:22.463556Z","fetched_at":"2026-07-25T17:03:22.463556Z","added_at":null,"url":"https://kalshi.com/markets/kxsenatemar/massachusetts-republican-senate-nominee/kxsenatemar-26","event_title":"Massachusetts Republican Senate nominee?","chart_24h":[0.903,0.903,0.903,0.903,0.903,0.903,0.903,0.903,0.903,0.903]},{"source":"kalshi","id":"KXSENATEMAR-26-CBAK","event_id":"KXSENATEMAR-26","slug":"KXSENATEMAR-26-CBAK","question":"Will Charlie Baker be the Republican nominee for the Senate in Massachusetts?","group_item_title":"Charlie Baker","description":"If Charlie Baker wins the nomination for the Republican Party to contest the 2026 Class II Massachusetts Senate seat, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.071,0.929],"probability":0.071,"spread":0.072,"active":true,"closed":false,"start_date":"2025-12-04T15:00:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":"2027-11-03T15:00:00Z","volume":1764.52,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":14.546121597290039,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-07-25T13:36:13.453583Z","fetched_at":"2026-07-23T10:43:46.498153Z","added_at":null,"url":"https://kalshi.com/markets/kxsenatemar/massachusetts-republican-senate-nominee/kxsenatemar-26","event_title":"Massachusetts Republican Senate nominee?","chart_24h":[0.071,0.071]},{"source":"kalshi","id":"KXSENATEMAR-26-LEVA","event_id":"KXSENATEMAR-26","slug":"KXSENATEMAR-26-LEVA","question":"Will Lewis Evangelidis be the Republican nominee for the Senate in Massachusetts?","group_item_title":"Lewis Evangelidis","description":"If Lewis Evangelidis wins the nomination for the Republican Party to contest the 2026 Class II Massachusetts Senate seat, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.068,0.9319999999999999],"probability":0.068,"spread":0.039,"active":true,"closed":false,"start_date":"2025-12-04T15:00:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":"2027-11-03T15:00:00Z","volume":1.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":0.1250363439321518,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-07-25T15:00:37.398530Z","fetched_at":"2026-07-16T05:34:13.967721Z","added_at":null,"url":"https://kalshi.com/markets/kxsenatemar/massachusetts-republican-senate-nominee/kxsenatemar-26","event_title":"Massachusetts Republican Senate nominee?","chart_24h":[0.068,0.068]},{"source":"kalshi","id":"KXSENATEMAR-26-CTHR","event_id":"KXSENATEMAR-26","slug":"KXSENATEMAR-26-CTHR","question":"Will Christopher Thrasher be the Republican nominee for the Senate in Massachusetts?","group_item_title":"Christopher Thrasher","description":"If Christopher Thrasher wins the nomination for the Republican Party to contest the 2026 Class II Massachusetts Senate seat, then the market resolves to Yes.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.039,"active":true,"closed":false,"start_date":"2025-12-04T15:00:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":"2027-11-03T15:00:00Z","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-07-25T15:00:37.398530Z","fetched_at":"2026-07-16T05:34:13.967721Z","added_at":null,"url":"https://kalshi.com/markets/kxsenatemar/massachusetts-republican-senate-nominee/kxsenatemar-26","event_title":"Massachusetts Republican Senate nominee?","chart_24h":[0.0,0.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXSENATEMAR-26","as_of":"2026-07-25T17:09:05.815689Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Massachusetts Republican Senate nominee?\" — top market at 90% probability across 4 outcomes","source_url":null}}