{"source":"polymarket","id":"95915","ticker":"massachusetts-democratic-senate-primary-winner","slug":"massachusetts-democratic-senate-primary-winner","title":"Massachusetts Democratic Senate Primary Winner","description":"This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts.\n\nIf no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to \"Other\".\n\nThe resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","active":true,"closed":false,"start_date":"2025-12-02T20:41:57.719512Z","end_date":"2026-09-01T00:00:00Z","closed_time":null,"volume":25148.498682,"volume_24hr":1235.6011159999998,"volume_24h_change":null,"normalized_vol_24hr":15.873621940612793,"normalized_volume":21.13389778137207,"liquidity":36458.04623,"open_interest":3354.897521,"categories":["Politics","Elections"],"tags":[{"id":"902","slug":"primary-elections","label":"primary elections"},{"id":"1550","slug":"senate-primary","label":"Senate Primary"},{"id":"936","slug":"democratic-primary","label":"Democratic Primary"},{"id":"103955","slug":"massachusetts-primary","label":"Massachusetts Primary"},{"id":"105208","slug":"september-1-primaries","label":"September 1 Primaries"},{"id":"1101","slug":"us-presidential-election","label":"US Election"},{"id":"2","slug":"politics","label":"Politics"},{"id":"144","slug":"elections","label":"Elections"},{"id":"264","slug":"primaries","label":"Primaries"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Ed Markey","top_outcome_probability":0.775,"top_outcome_prob_24h_change":0.06000000000000005,"top_outcome_volume_24h_change":581.3789239999999,"updated_at":"2026-07-03T00:10:17.913578Z","fetched_at":"2026-07-03T00:10:17.913578Z","added_at":null,"url":"https://polymarket.com/event/massachusetts-democratic-senate-primary-winner","chart_24h":[287.975942,287.975942,416.54594199999997,416.54594199999997,416.54594199999997,323.10594199999997,334.49594199999996,334.49594199999996,334.49594199999996,334.49594199999996,334.49594199999996,360.10594199999997,366.54594199999997,403.845942,403.845942,515.328699,515.328699,515.328699,499.928699,499.928699,482.948699,441.402757,441.402757,441.402757,441.402757,441.402757,441.402757,441.402757,441.402757,441.402757,441.402757,1179.3211159999998,1179.3211159999998,1179.3211159999998,1179.3211159999998,1179.3211159999998,1179.3211159999998,1195.441116,1227.441116,1227.441116,1235.6011159999998],"markets":[{"source":"polymarket","id":"799651","event_id":"95915","slug":"will-ed-markey-be-the-democratic-nominee-for-senate-in-massachusetts","question":"Will Ed Markey be the Democratic nominee for Senate in Massachusetts?","group_item_title":"Ed Markey","description":"This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts.\n\nIf no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to \"Other\".\n\nThe resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","outcomes":["Yes","No"],"outcome_prices":[0.775,0.225],"probability":0.775,"spread":0.09,"active":true,"closed":false,"start_date":"2025-12-02T20:41:58.229354Z","end_date":"2026-09-01T00:00:00Z","closed_time":null,"volume":10913.640633000003,"volume_24hr":710.2648659999999,"prob_24h_change":0.06000000000000005,"volume_24h_change":581.3789239999999,"normalized_vol_24hr":16.108657836914062,"normalized_volume":24.89097785949707,"liquidity":529.5038,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-07-02T23:58:05.318011Z","fetched_at":"2026-07-02T23:24:22.977408Z","added_at":null,"url":"https://polymarket.com/event/massachusetts-democratic-senate-primary-winner/will-ed-markey-be-the-democratic-nominee-for-senate-in-massachusetts","event_title":"Massachusetts Democratic Senate Primary Winner","chart_24h":[0.715,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.69,0.67,0.455,0.37,0.445,0.49,0.59,0.61,0.485,0.45,0.635,0.58,0.485,0.585,0.455,0.65,0.695,0.71,0.715,0.765,0.765,0.775,0.775,0.775,0.775]},{"source":"polymarket","id":"799654","event_id":"95915","slug":"will-seth-moulton-be-the-democratic-nominee-for-senate-in-massachusetts","question":"Will Seth Moulton be the Democratic nominee for Senate in Massachusetts?","group_item_title":"Seth Moulton","description":"This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts.\n\nIf no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to \"Other\".\n\nThe resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","outcomes":["Yes","No"],"outcome_prices":[0.205,0.795],"probability":0.205,"spread":0.07,"active":true,"closed":false,"start_date":"2025-12-02T20:41:57.719512Z","end_date":"2026-09-01T00:00:00Z","closed_time":null,"volume":9764.068513999999,"volume_24hr":352.6063,"prob_24h_change":-0.05000000000000002,"volume_24h_change":193.51629999999997,"normalized_vol_24hr":12.862543106079102,"normalized_volume":24.298664093017578,"liquidity":9705.2134,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-07-03T00:10:18.464882Z","fetched_at":"2026-07-03T00:10:18.464882Z","added_at":null,"url":"https://polymarket.com/event/massachusetts-democratic-senate-primary-winner/will-seth-moulton-be-the-democratic-nominee-for-senate-in-massachusetts","event_title":"Massachusetts Democratic Senate Primary Winner","chart_24h":[0.26,0.255,0.255,0.25,0.255,0.26,0.26,0.265,0.265,0.29,0.29,0.295,0.295,0.295,0.295,0.295,0.285,0.28,0.3,0.305,0.295,0.28,0.265,0.225,0.22,0.2,0.205]},{"source":"polymarket","id":"799656","event_id":"95915","slug":"will-alexander-rikleen-be-the-democratic-nominee-for-senate-in-massachusetts","question":"Will Alexander Rikleen be the Democratic nominee for Senate in Massachusetts?","group_item_title":"Alexander Rikleen","description":"This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts.\n\nIf no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to \"Other\".\n\nThe resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","outcomes":["Yes","No"],"outcome_prices":[0.0105,0.9895],"probability":0.0105,"spread":0.001,"active":true,"closed":false,"start_date":"2025-12-02T20:41:58.484440Z","end_date":"2026-09-01T00:00:00Z","closed_time":null,"volume":2028.6297169999996,"volume_24hr":91.36869999999999,"prob_24h_change":0.0,"volume_24h_change":81.36869999999999,"normalized_vol_24hr":7.650816917419434,"normalized_volume":16.69879722595215,"liquidity":13693.50282,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-07-02T23:27:47.586859Z","fetched_at":"2026-07-02T18:49:57.406363Z","added_at":null,"url":"https://polymarket.com/event/massachusetts-democratic-senate-primary-winner/will-alexander-rikleen-be-the-democratic-nominee-for-senate-in-massachusetts","event_title":"Massachusetts Democratic Senate Primary Winner","chart_24h":[0.0105,0.0105,0.0105]},{"source":"polymarket","id":"799646","event_id":"95915","slug":"will-ayanna-pressley-be-the-democratic-nominee-for-senate-in-massachusetts","question":"Will Ayanna Pressley be the Democratic nominee for Senate in Massachusetts?","group_item_title":"Ayanna Pressley","description":"This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts.\n\nIf no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to \"Other\".\n\nThe resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","outcomes":["Yes","No"],"outcome_prices":[0.0065,0.9935],"probability":0.0065,"spread":0.005,"active":true,"closed":false,"start_date":"2025-12-02T20:41:57.974318Z","end_date":"2026-09-01T00:00:00Z","closed_time":null,"volume":2442.1598180000005,"volume_24hr":81.36125,"prob_24h_change":-0.001,"volume_24h_change":81.36125,"normalized_vol_24hr":7.2680206298828125,"normalized_volume":17.521923065185547,"liquidity":13518.51722,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-07-02T18:53:02.437712Z","fetched_at":"2026-07-02T18:49:57.406363Z","added_at":null,"url":"https://polymarket.com/event/massachusetts-democratic-senate-primary-winner/will-ayanna-pressley-be-the-democratic-nominee-for-senate-in-massachusetts","event_title":"Massachusetts Democratic Senate Primary Winner","chart_24h":[0.0075,0.0075,0.008,0.008,0.0075,0.0065]},{"source":"polymarket","id":"799678","event_id":"95915","slug":"will-another-candidate-be-the-democratic-nominee-for-senate-in-massachusetts","question":"Will another candidate be the Democratic nominee for Senate in Massachusetts?","group_item_title":"Other","description":"This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts.\n\nIf no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to \"Other\".\n\nThe resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/massachusetts-democratic-senate-primary-winner-fbf55jTM3zXE.png","outcomes":["Yes","No"],"outcome_prices":[],"probability":null,"spread":1.0,"active":true,"closed":false,"start_date":"2025-12-02T20:42:04.495386Z","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":"2026-07-02T01:26:24.213153Z","fetched_at":"2026-05-05T13:27:41.060012Z","added_at":null,"url":"https://polymarket.com/event/massachusetts-democratic-senate-primary-winner/will-another-candidate-be-the-democratic-nominee-for-senate-in-massachusetts","event_title":"Massachusetts Democratic Senate Primary Winner","chart_24h":null}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/95915","as_of":"2026-07-03T00:12:19.916168Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Massachusetts Democratic Senate Primary Winner\" — top market at 78% probability across 5 outcomes","source_url":null}}