{"_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/KXHOUSERACE-MA03-26","as_of":"2026-10-24T00:24:50.352928Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"MA-03 House winner?\" — \"Lori Trahan\" leads at 97% across 2 outcomes as of 2026-10-01 UTC. https://pdata.world/events/kalshi/KXHOUSERACE-MA03-26","source_url":"https://kalshi.com/markets/kxhouserace/ma-03-house-winner/kxhouserace-ma03-26"},"source":"kalshi","id":"KXHOUSERACE-MA03-26","ticker":"KXHOUSERACE-MA03-26","slug":"KXHOUSERACE-MA03-26","title":"MA-03 House winner?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-01-07T01:07:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":null,"volume":1987.58,"volume_24hr":0.0,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":15.45182991027832,"liquidity":null,"open_interest":1294.82,"categories":["Elections"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Lori Trahan","top_outcome_probability":0.97,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-10-01T06:35:10.849506Z","fetched_at":"2026-10-01T06:35:10.849506Z","added_at":null,"url":"https://kalshi.com/markets/kxhouserace/ma-03-house-winner/kxhouserace-ma03-26","chart_24h":null,"kind":"live","mutually_exclusive":true,"markets_total":2,"markets":[{"source":"kalshi","id":"KXHOUSERACE-MA03-26-D","event_id":"KXHOUSERACE-MA03-26","slug":"KXHOUSERACE-MA03-26-D","question":"Will Democratic win the House race for MA-03?","group_item_title":"Lori Trahan","description":"If the House member sworn in for MA-03 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":[0.97,0.030000000000000027],"probability":0.97,"spread":0.038000000000000034,"active":true,"closed":false,"start_date":"2026-01-07T01:07:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":"2027-11-03T15:00:00Z","result":null,"volume":827.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":14.053689956665039,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-10-23T08:40:39.337041Z","fetched_at":"2026-10-23T08:40:39.337041Z","added_at":null,"url":"https://kalshi.com/markets/kxhouserace/ma-03-house-winner/kxhouserace-ma03-26","event_title":"MA-03 House winner?","chart_24h":[0.97,0.97,0.97,0.97,0.97,0.97,0.97]},{"source":"kalshi","id":"KXHOUSERACE-MA03-26-R","event_id":"KXHOUSERACE-MA03-26","slug":"KXHOUSERACE-MA03-26-R","question":"Will Republican win the House race for MA-03?","group_item_title":"Gary Grossi","description":"If the House member sworn in for MA-03 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":[0.029,0.971],"probability":0.029,"spread":0.039,"active":true,"closed":false,"start_date":"2026-01-07T01:07:00Z","end_date":"2027-11-03T15:00:00Z","closed_time":"2027-11-03T15:00:00Z","result":null,"volume":1160.58,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":15.505495071411133,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-10-23T23:52:46.051713Z","fetched_at":"2026-10-23T23:52:46.051713Z","added_at":null,"url":"https://kalshi.com/markets/kxhouserace/ma-03-house-winner/kxhouserace-ma03-26","event_title":"MA-03 House winner?","chart_24h":[0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029]}]}