{"_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/KXVOTEGENERAL-SENATEMA-26JDEA","as_of":"2026-11-04T19:13:39.862383Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Massachusetts Senate election: John Deaton vote percent\" — 8 markets; highest \"At least 30%\" at 99% as of 2026-11-04 UTC. https://pdata.world/events/kalshi/KXVOTEGENERAL-SENATEMA-26JDEA","source_url":"https://kalshi.com/markets/kxvotegeneral/massachusetts-senate-election-john-deaton-vote-percent/kxvotegeneral-senatema-26jdea"},"source":"kalshi","id":"KXVOTEGENERAL-SENATEMA-26JDEA","ticker":"KXVOTEGENERAL-SENATEMA-26JDEA","slug":"KXVOTEGENERAL-SENATEMA-26JDEA","title":"Massachusetts Senate election: John Deaton vote percent","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-11T14:00:00Z","end_date":"2027-11-03T14:00:00Z","closed_time":null,"volume":11390.49,"volume_24hr":10429.49,"volume_24h_change":null,"normalized_vol_24hr":25.006616592407227,"normalized_volume":23.18551254272461,"liquidity":null,"open_interest":10609.06,"categories":["Elections"],"tags":[],"synthetic":false,"is_group":false,"group_key":"SENATEMA-26JDEA","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"At least 30%","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.17000000000000004,"top_outcome_volume_24h_change":8.31,"updated_at":"2026-11-04T18:56:30.013334Z","fetched_at":"2026-11-04T18:56:30.013334Z","added_at":"2026-09-11T14:14:14.701860Z","url":"https://kalshi.com/markets/kxvotegeneral/massachusetts-senate-election-john-deaton-vote-percent/kxvotegeneral-senatema-26jdea","chart_24h":[3.0,203.0,579.12,641.65,962.36,1065.88,1094.9,1232.9,1281.91,1375.42,1494.82,1650.51,1701.11,1701.11,2586.14,2591.14,3942.89,3942.89,10424.49],"kind":"live","mutually_exclusive":false,"markets_total":8,"markets":[{"source":"kalshi","id":"KXVOTEGENERAL-SENATEMA-26JDEA-30","event_id":"KXVOTEGENERAL-SENATEMA-26JDEA","slug":"KXVOTEGENERAL-SENATEMA-26JDEA-30","question":"Will John Deaton receive at least 30% of the popular vote in the 2026 Massachusetts Senate election?","group_item_title":"At least 30%","description":"If the certified percentage of the popular vote received by John Deaton in the 2026 Massachusetts Senate election is 30% to 100%, inclusive of both endpoints, then the market resolves to Yes.\n\n---\n\nThe percentage is calculated as (total votes received by John Deaton ÷ total valid votes cast) × 100, rounded to two decimal places. Except as provided in the Contract, resolution is based on certified/official results only, not preliminary results. Write-in votes are included if they appear in certified results. Invalid, spoiled, or rejected ballots are excluded from both numerator and denominator.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.99,0.010000000000000009],"probability":0.99,"spread":0.26,"active":true,"closed":false,"start_date":"2026-09-11T14:00:00Z","end_date":"2027-11-03T14:00:00Z","closed_time":"2027-11-03T14:00:00Z","result":null,"volume":41.31,"volume_24hr":8.31,"prob_24h_change":0.17000000000000004,"volume_24h_change":8.31,"normalized_vol_24hr":1.4914430379867554,"normalized_volume":3.9349186420440674,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-11-04T03:07:00.164198Z","fetched_at":"2026-11-04T03:07:00.164198Z","added_at":"2026-09-11T14:14:14.793111Z","url":"https://kalshi.com/markets/kxvotegeneral/massachusetts-senate-election-john-deaton-vote-percent/kxvotegeneral-senatema-26jdea","event_title":"Massachusetts Senate election: John Deaton vote percent","chart_24h":[0.82,0.82,0.82,0.82,0.82,0.99,0.99,0.99,0.99]},{"source":"kalshi","id":"KXVOTEGENERAL-SENATEMA-26JDEA-36","event_id":"KXVOTEGENERAL-SENATEMA-26JDEA","slug":"KXVOTEGENERAL-SENATEMA-26JDEA-36","question":"Will John Deaton receive at least 36% of the popular vote in the 2026 Massachusetts Senate election?","group_item_title":"At least 36%","description":"If the certified percentage of the popular vote received by John Deaton in the 2026 Massachusetts Senate election is 36% to 100%, inclusive of both endpoints, then the market resolves to Yes.\n\n---\n\nThe percentage is calculated as (total votes received by John Deaton ÷ total valid votes cast) × 100, rounded to two decimal places. Except as provided in the Contract, resolution is based on certified/official results only, not preliminary results. Write-in votes are included if they appear in certified results. Invalid, spoiled, or rejected ballots are excluded from both numerator and denominator.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.16,0.84],"probability":0.16,"spread":0.21,"active":true,"closed":false,"start_date":"2026-09-11T14:00:00Z","end_date":"2027-11-03T14:00:00Z","closed_time":"2027-11-03T14:00:00Z","result":null,"volume":379.04,"volume_24hr":369.04,"prob_24h_change":-0.04999999999999999,"volume_24h_change":369.04,"normalized_vol_24hr":10.477999687194824,"normalized_volume":9.90010929107666,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-11-04T19:12:05.761240Z","fetched_at":"2026-11-04T19:12:05.761240Z","added_at":"2026-09-11T14:14:14.793111Z","url":"https://kalshi.com/markets/kxvotegeneral/massachusetts-senate-election-john-deaton-vote-percent/kxvotegeneral-senatema-26jdea","event_title":"Massachusetts Senate election: John Deaton vote percent","chart_24h":[0.21,0.21,0.33,0.33,0.33,0.33,0.55,0.55,0.55,0.55,0.55,0.55,0.55,0.55,0.55,0.91,0.91,0.91,0.91,0.91,0.91,0.91,0.91,0.91,0.91,0.91,0.91,0.91,0.91,0.12,0.12,0.12,0.12]},{"source":"kalshi","id":"KXVOTEGENERAL-SENATEMA-26JDEA-38","event_id":"KXVOTEGENERAL-SENATEMA-26JDEA","slug":"KXVOTEGENERAL-SENATEMA-26JDEA-38","question":"Will John Deaton receive at least 38% of the popular vote in the 2026 Massachusetts Senate election?","group_item_title":"At least 38%","description":"If the certified percentage of the popular vote received by John Deaton in the 2026 Massachusetts Senate election is 38% to 100%, inclusive of both endpoints, then the market resolves to Yes.\n\n---\n\nThe percentage is calculated as (total votes received by John Deaton ÷ total valid votes cast) × 100, rounded to two decimal places. Except as provided in the Contract, resolution is based on certified/official results only, not preliminary results. Write-in votes are included if they appear in certified results. Invalid, spoiled, or rejected ballots are excluded from both numerator and denominator.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.12,0.88],"probability":0.12,"spread":0.2,"active":true,"closed":false,"start_date":"2026-09-11T14:00:00Z","end_date":"2027-11-03T14:00:00Z","closed_time":"2027-11-03T14:00:00Z","result":null,"volume":1573.67,"volume_24hr":1332.67,"prob_24h_change":0.009999999999999995,"volume_24h_change":1091.67,"normalized_vol_24hr":15.513782501220703,"normalized_volume":15.205293655395508,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-11-04T18:40:54.551474Z","fetched_at":"2026-11-04T18:40:54.551474Z","added_at":"2026-09-11T14:14:14.793111Z","url":"https://kalshi.com/markets/kxvotegeneral/massachusetts-senate-election-john-deaton-vote-percent/kxvotegeneral-senatema-26jdea","event_title":"Massachusetts Senate election: John Deaton vote percent","chart_24h":[0.11,0.11,0.11,0.15,0.15,0.15,0.15,0.15,0.35,0.9,0.9,0.97,0.93,0.93,0.93,0.93,0.93,0.93,0.93,0.93,0.93,0.93,0.93,0.93,0.93,0.93,0.93,0.93,0.11,0.11,0.11,0.11,0.12]},{"source":"kalshi","id":"KXVOTEGENERAL-SENATEMA-26JDEA-32","event_id":"KXVOTEGENERAL-SENATEMA-26JDEA","slug":"KXVOTEGENERAL-SENATEMA-26JDEA-32","question":"Will John Deaton receive at least 32% of the popular vote in the 2026 Massachusetts Senate election?","group_item_title":"At least 32%","description":"If the certified percentage of the popular vote received by John Deaton in the 2026 Massachusetts Senate election is 32% to 100%, inclusive of both endpoints, then the market resolves to Yes.\n\n---\n\nThe percentage is calculated as (total votes received by John Deaton ÷ total valid votes cast) × 100, rounded to two decimal places. Except as provided in the Contract, resolution is based on certified/official results only, not preliminary results. Write-in votes are included if they appear in certified results. Invalid, spoiled, or rejected ballots are excluded from both numerator and denominator.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.08,0.92],"probability":0.08,"spread":0.74,"active":true,"closed":false,"start_date":"2026-09-11T14:00:00Z","end_date":"2027-11-03T14:00:00Z","closed_time":"2027-11-03T14:00:00Z","result":null,"volume":464.81,"volume_24hr":255.81,"prob_24h_change":-0.5700000000000001,"volume_24h_change":255.81,"normalized_vol_24hr":9.223556518554688,"normalized_volume":10.590042114257812,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-11-04T18:56:31.719515Z","fetched_at":"2026-11-04T18:56:31.719515Z","added_at":"2026-09-11T14:14:14.793111Z","url":"https://kalshi.com/markets/kxvotegeneral/massachusetts-senate-election-john-deaton-vote-percent/kxvotegeneral-senatema-26jdea","event_title":"Massachusetts Senate election: John Deaton vote percent","chart_24h":[0.65,0.65,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.08,0.08,0.08,0.08]},{"source":"kalshi","id":"KXVOTEGENERAL-SENATEMA-26JDEA-34","event_id":"KXVOTEGENERAL-SENATEMA-26JDEA","slug":"KXVOTEGENERAL-SENATEMA-26JDEA-34","question":"Will John Deaton receive at least 34% of the popular vote in the 2026 Massachusetts Senate election?","group_item_title":"At least 34%","description":"If the certified percentage of the popular vote received by John Deaton in the 2026 Massachusetts Senate election is 34% to 100%, inclusive of both endpoints, then the market resolves to Yes.\n\n---\n\nThe percentage is calculated as (total votes received by John Deaton ÷ total valid votes cast) × 100, rounded to two decimal places. Except as provided in the Contract, resolution is based on certified/official results only, not preliminary results. Write-in votes are included if they appear in certified results. 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Except as provided in the Contract, resolution is based on certified/official results only, not preliminary results. Write-in votes are included if they appear in certified results. Invalid, spoiled, or rejected ballots are excluded from both numerator and denominator.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.04,0.96],"probability":0.04,"spread":0.11,"active":true,"closed":false,"start_date":"2026-09-11T14:00:00Z","end_date":"2027-11-03T14:00:00Z","closed_time":"2027-11-03T14:00:00Z","result":null,"volume":8274.24,"volume_24hr":8069.24,"prob_24h_change":-0.04,"volume_24h_change":8069.24,"normalized_vol_24hr":24.247434616088867,"normalized_volume":22.831701278686523,"liquidity":null,"categories":["Elections"],"countries":["United States"],"updated_at":"2026-11-04T18:40:54.551474Z","fetched_at":"2026-11-04T18:40:54.551474Z","added_at":"2026-09-11T14:14:14.793111Z","url":"https://kalshi.com/markets/kxvotegeneral/massachusetts-senate-election-john-deaton-vote-percent/kxvotegeneral-senatema-26jdea","event_title":"Massachusetts Senate election: John Deaton vote percent","chart_24h":[0.08,0.08,0.08,0.54,0.25,0.08,0.08,0.08,0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.1,0.1,0.09,0.04]},{"source":"kalshi","id":"KXVOTEGENERAL-SENATEMA-26JDEA-26","event_id":"KXVOTEGENERAL-SENATEMA-26JDEA","slug":"KXVOTEGENERAL-SENATEMA-26JDEA-26","question":"Will John Deaton receive at least 26% of the popular vote in the 2026 Massachusetts Senate election?","group_item_title":"At least 26%","description":"If the certified percentage of the popular vote received by John Deaton in the 2026 Massachusetts Senate election is 26% to 100%, inclusive of both endpoints, then the market resolves to Yes.\n\n---\n\nThe percentage is calculated as (total votes received by John Deaton ÷ total valid votes cast) × 100, rounded to two decimal places. Except as provided in the Contract, resolution is based on certified/official results only, not preliminary results. Write-in votes are included if they appear in certified results. Invalid, spoiled, or rejected ballots are excluded from both numerator and denominator.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.09999999999999998,"active":true,"closed":false,"start_date":"2026-09-11T14:00:00Z","end_date":"2027-11-03T14:00:00Z","closed_time":"2027-11-03T14:00:00Z","result":null,"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":"2026-11-04T17:19:41.867785Z","fetched_at":"2026-11-04T17:19:41.867785Z","added_at":"2026-09-11T14:14:14.793111Z","url":"https://kalshi.com/markets/kxvotegeneral/massachusetts-senate-election-john-deaton-vote-percent/kxvotegeneral-senatema-26jdea","event_title":"Massachusetts Senate election: John Deaton vote percent","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0]},{"source":"kalshi","id":"KXVOTEGENERAL-SENATEMA-26JDEA-28","event_id":"KXVOTEGENERAL-SENATEMA-26JDEA","slug":"KXVOTEGENERAL-SENATEMA-26JDEA-28","question":"Will John Deaton receive at least 28% of the popular vote in the 2026 Massachusetts Senate election?","group_item_title":"At least 28%","description":"If the certified percentage of the popular vote received by John Deaton in the 2026 Massachusetts Senate election is 28% to 100%, inclusive of both endpoints, then the market resolves to Yes.\n\n---\n\nThe percentage is calculated as (total votes received by John Deaton ÷ total valid votes cast) × 100, rounded to two decimal places. Except as provided in the Contract, resolution is based on certified/official results only, not preliminary results. Write-in votes are included if they appear in certified results. 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