{"_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-MA04-26","as_of":"2026-10-24T00:24:50.397678Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"MA-04 House winner?\" — \"Jake Auchincloss\" leads at 91% across 2 outcomes as of 2026-10-11 UTC. https://pdata.world/events/kalshi/KXHOUSERACE-MA04-26","source_url":"https://kalshi.com/markets/kxhouserace/ma-04-house-winner/kxhouserace-ma04-26"},"source":"kalshi","id":"KXHOUSERACE-MA04-26","ticker":"KXHOUSERACE-MA04-26","slug":"KXHOUSERACE-MA04-26","title":"MA-04 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":2618.65,"volume_24hr":0.0,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":16.59363555908203,"liquidity":null,"open_interest":1974.23,"categories":["Elections"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Jake Auchincloss","top_outcome_probability":0.909,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-10-11T03:44:37.105635Z","fetched_at":"2026-10-11T03:44:37.105635Z","added_at":null,"url":"https://kalshi.com/markets/kxhouserace/ma-04-house-winner/kxhouserace-ma04-26","chart_24h":null,"kind":"live","mutually_exclusive":true,"markets_total":2,"markets":[{"source":"kalshi","id":"KXHOUSERACE-MA04-26-D","event_id":"KXHOUSERACE-MA04-26","slug":"KXHOUSERACE-MA04-26-D","question":"Will Democratic win the House race for MA-04?","group_item_title":"Jake Auchincloss","description":"If the House member sworn in for MA-04 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":[0.909,0.09099999999999997],"probability":0.909,"spread":0.019000000000000017,"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":565.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":12.507349014282227,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-10-23T19:38:18.214844Z","fetched_at":"2026-10-23T19:38:18.214844Z","added_at":null,"url":"https://kalshi.com/markets/kxhouserace/ma-04-house-winner/kxhouserace-ma04-26","event_title":"MA-04 House winner?","chart_24h":[0.909,0.909,0.909,0.909,0.909,0.909,0.909,0.909,0.909,0.909,0.909,0.909,0.909,0.909]},{"source":"kalshi","id":"KXHOUSERACE-MA04-26-R","event_id":"KXHOUSERACE-MA04-26","slug":"KXHOUSERACE-MA04-26-R","question":"Will Republican win the House race for MA-04?","group_item_title":"Tom Stalcup","description":"If the House member sworn in for MA-04 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":0.012,"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":2053.65,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":18.11277198791504,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-10-24T00:11:26.756814Z","fetched_at":"2026-10-24T00:11:26.756814Z","added_at":null,"url":"https://kalshi.com/markets/kxhouserace/ma-04-house-winner/kxhouserace-ma04-26","event_title":"MA-04 House winner?","chart_24h":[0.029,0.029,0.029,0.029,0.029,0.029,0.029,0.029]}]}