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The Democratic primary will take place on September 1, 2026.\n\nIf no nominee is announced by November 3, 2026, 11:59 PM ET, this market will resolve to \"Other\".\n\nThe resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.\n\nAny replacement of the nominee before election day will not change the resolution of the market.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/state_flags/MA.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/state_flags/MA.png","outcomes":["Yes","No"],"outcome_prices":[0.48,0.52],"probability":0.48,"spread":0.26,"active":true,"closed":false,"start_date":"2026-03-03T23:25:02.523749Z","end_date":"2026-09-01T00:00:00Z","closed_time":null,"volume":336.46981199999993,"volume_24hr":0.0,"prob_24h_change":-0.0050000000000000044,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":8.692995071411133,"liquidity":67.6993,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-06-10T13:53:50.109750Z","fetched_at":"2026-06-10T13:51:55.671701Z","added_at":null,"url":"https://polymarket.com/event/ma-08-democratic-primary-winner/will-patrick-roath-be-the-democratic-nominee-for-ma-08","event_title":"MA-08 Democratic Primary Winner","chart_24h":[0.485,0.45,0.47,0.415,0.5,0.49,0.51,0.475,0.495,0.47,0.515,0.45,0.455,0.45,0.52,0.52,0.525,0.505,0.52,0.52,0.505,0.505,0.52,0.525,0.51,0.52,0.51,0.445,0.45,0.505,0.5,0.49,0.5,0.485]},{"source":"polymarket","id":"1493237","event_id":"243954","slug":"will-andrew-zylberfink-be-the-democratic-nominee-for-ma-08","question":"Will Andrew Zylberfink be the Democratic nominee for MA-08?","group_item_title":"Andrew Zylberfink","description":"This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the MA-08 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on September 1, 2026.\n\nIf no nominee is announced by November 3, 2026, 11:59 PM ET, this market will resolve to \"Other\".\n\nThe resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.\n\nAny replacement of the nominee before election day will not change the resolution of the market.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/state_flags/MA.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/state_flags/MA.png","outcomes":["Yes","No"],"outcome_prices":[0.395,0.605],"probability":0.395,"spread":0.742,"active":true,"closed":false,"start_date":"2026-03-03T23:25:13.206432Z","end_date":"2026-09-01T00:00:00Z","closed_time":null,"volume":356.0899999999999,"volume_24hr":0.0,"prob_24h_change":0.09950000000000003,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":8.862587928771973,"liquidity":58.14594,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-06-10T13:53:50.109750Z","fetched_at":"2026-06-10T13:51:55.671701Z","added_at":null,"url":"https://polymarket.com/event/ma-08-democratic-primary-winner/will-andrew-zylberfink-be-the-democratic-nominee-for-ma-08","event_title":"MA-08 Democratic Primary Winner","chart_24h":[0.2955,0.4085,0.41,0.3915,0.2555,0.281,0.397,0.361,0.369,0.4185,0.4,0.393,0.3905,0.389,0.393,0.3645,0.2875,0.4035,0.38,0.393,0.2935,0.4105,0.3905,0.3985,0.2195,0.367,0.372,0.3945,0.363,0.362,0.3895,0.386,0.409,0.226]},{"source":"polymarket","id":"1493249","event_id":"243954","slug":"will-another-candidate-be-the-democratic-nominee-for-ma-08","question":"Will another candidate be the Democratic nominee for MA-08?","group_item_title":"Other","description":"This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the MA-08 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on September 1, 2026.\n\nIf no nominee is announced by November 3, 2026, 11:59 PM ET, this market will resolve to \"Other\".\n\nThe resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.\n\nAny replacement of the nominee before election day will not change the resolution of the market.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/state_flags/MA.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/state_flags/MA.png","outcomes":["Yes","No"],"outcome_prices":[],"probability":null,"spread":1.0,"active":true,"closed":false,"start_date":"2026-03-03T23:26:39.032600Z","end_date":"2026-09-01T00:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-06-10T04:10:09.306255Z","fetched_at":"2026-05-05T13:28:00.210293Z","added_at":null,"url":"https://polymarket.com/event/ma-08-democratic-primary-winner/will-another-candidate-be-the-democratic-nominee-for-ma-08","event_title":"MA-08 Democratic Primary Winner","chart_24h":null}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/243954","as_of":"2026-06-10T13:55:05.380670Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"MA-08 Democratic Primary Winner\" — top market at 48% probability across 4 outcomes","source_url":null}}