{"source":"polymarket","id":"1029007","ticker":"2027-chicago-mayoral-election","slug":"2027-chicago-mayoral-election","title":"2027 Chicago Mayoral Election","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/2027-chicago-mayoral-election-tefa38pxI8iF.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/2027-chicago-mayoral-election-tefa38pxI8iF.jpg","active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":2020.240233,"volume_24hr":1398.126924,"volume_24h_change":null,"normalized_vol_24hr":20.21771240234375,"normalized_volume":13.174777030944824,"liquidity":52666.97979,"open_interest":799.55997,"categories":["Politics","Elections"],"tags":[{"id":"100664","slug":"mayor","label":"mayor"},{"id":"100770","slug":"chicago","label":"Chicago"},{"id":"100942","slug":"illinois","label":"Illinois"},{"id":"2","slug":"politics","label":"Politics"},{"id":"144","slug":"elections","label":"Elections"},{"id":"1101","slug":"us-presidential-election","label":"US Election"},{"id":"106215","slug":"chicago-mayor","label":"Chicago Mayor"},{"id":"102788","slug":"mayoral-elections","label":"Mayoral Elections"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Alexi Giannoulias","top_outcome_probability":0.51,"top_outcome_prob_24h_change":-0.050000000000000044,"top_outcome_volume_24h_change":61.13692400000002,"updated_at":"2026-09-17T22:55:02.685219Z","fetched_at":"2026-09-17T22:55:02.685219Z","added_at":"2026-09-15T18:10:47.303071Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election","chart_24h":[278.502308,260.81,260.81,260.81,260.81,260.81,240.81,240.81,240.81,265.81,265.81,265.81,365.81,365.81,325.0,325.0,325.0,325.0,125.0,125.0,125.0,334.354616,729.296924,1063.716924,1223.306924,1243.306924,1313.246924,1313.246924,1313.246924,1313.246924,1313.246924,1398.126924],"kind":"live","markets":[{"source":"polymarket","id":"4592053","event_id":"1029007","slug":"will-alexi-giannoulias-win-the-2027-chicago-mayoral-election","question":"Will Alexi Giannoulias win the 2027 Chicago mayoral election?","group_item_title":"Alexi Giannoulias","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-alexi-giannoulias-win-the-2027-chicago-mayoral-election-cI9tXP8OEqrG.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-alexi-giannoulias-win-the-2027-chicago-mayoral-election-cI9tXP8OEqrG.jpg","outcomes":["Yes","No"],"outcome_prices":[0.51,0.49],"probability":0.51,"spread":0.02,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":705.731258,"volume_24hr":362.946924,"prob_24h_change":-0.050000000000000044,"volume_24h_change":61.13692400000002,"normalized_vol_24hr":13.556313514709473,"normalized_volume":12.628215789794922,"liquidity":1032.8073,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T21:55:18.149455Z","fetched_at":"2026-09-17T21:55:18.149455Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-alexi-giannoulias-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.56,0.555,0.56,0.56,0.555,0.56,0.565,0.56,0.555,0.555,0.555,0.545,0.54,0.485,0.49,0.49,0.51,0.51,0.51,0.51,0.51,0.51,0.51,0.51,0.51,0.51]},{"source":"polymarket","id":"4592055","event_id":"1029007","slug":"will-brandon-johnson-win-the-2027-chicago-mayoral-election","question":"Will Brandon Johnson win the 2027 Chicago mayoral election?","group_item_title":"Brandon Johnson","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-brandon-johnson-win-the-2027-chicago-mayoral-election-DI4G1vfrz54j.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-brandon-johnson-win-the-2027-chicago-mayoral-election-DI4G1vfrz54j.jpg","outcomes":["Yes","No"],"outcome_prices":[0.16,0.84],"probability":0.16,"spread":0.04,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":207.692308,"volume_24hr":190.0,"prob_24h_change":0.05,"volume_24h_change":172.307692,"normalized_vol_24hr":10.754068374633789,"normalized_volume":8.368945121765137,"liquidity":9452.4633,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T19:08:51.862772Z","fetched_at":"2026-09-17T19:08:51.862772Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-brandon-johnson-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.115,0.11,0.115,0.11,0.12,0.11,0.115,0.11,0.11,0.135,0.16,0.16]},{"source":"polymarket","id":"4592057","event_id":"1029007","slug":"will-susana-mendoza-win-the-2027-chicago-mayoral-election","question":"Will Susana Mendoza win the 2027 Chicago mayoral election?","group_item_title":"Susana Mendoza","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-susana-mendoza-win-the-2027-chicago-mayoral-election-t46rxHUL62fY.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-susana-mendoza-win-the-2027-chicago-mayoral-election-t46rxHUL62fY.jpg","outcomes":["Yes","No"],"outcome_prices":[0.155,0.845],"probability":0.155,"spread":0.01,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":425.056667,"volume_24hr":364.42,"prob_24h_change":0.03,"volume_24h_change":334.753333,"normalized_vol_24hr":13.574891090393066,"normalized_volume":10.755117416381836,"liquidity":9115.9903,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T17:30:26.267097Z","fetched_at":"2026-09-17T17:30:26.267097Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-susana-mendoza-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.13,0.165,0.17,0.145,0.15,0.14,0.145,0.15,0.185,0.195,0.2,0.205,0.2,0.195,0.205,0.205,0.21,0.21,0.17,0.165,0.155]},{"source":"polymarket","id":"4592050","event_id":"1029007","slug":"will-matt-brewer-win-the-2027-chicago-mayoral-election","question":"Will Matt Brewer win the 2027 Chicago mayoral election?","group_item_title":"Matt Brewer","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-matt-brewer-win-the-2027-chicago-mayoral-election-3K5s00LF9SHm.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-matt-brewer-win-the-2027-chicago-mayoral-election-3K5s00LF9SHm.jpg","outcomes":["Yes","No"],"outcome_prices":[0.13,0.87],"probability":0.13,"spread":0.04,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":179.91,"volume_24hr":159.91,"prob_24h_change":-0.01999999999999999,"volume_24h_change":109.94,"normalized_vol_24hr":10.06352424621582,"normalized_volume":7.927216053009033,"liquidity":9139.3974,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T22:14:46.622567Z","fetched_at":"2026-09-17T22:14:46.622567Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-matt-brewer-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.15,0.135,0.135,0.13,0.12,0.13,0.135,0.13,0.135,0.13]},{"source":"polymarket","id":"4592056","event_id":"1029007","slug":"will-john-kelly-win-the-2027-chicago-mayoral-election","question":"Will John Kelly win the 2027 Chicago mayoral election?","group_item_title":"John Kelly","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-john-kelly-win-the-2027-chicago-mayoral-election-uEn0OZMSMRTO.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-john-kelly-win-the-2027-chicago-mayoral-election-uEn0OZMSMRTO.jpg","outcomes":["Yes","No"],"outcome_prices":[0.06,0.94],"probability":0.06,"spread":0.04,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":71.0,"volume_24hr":30.0,"prob_24h_change":-0.015,"volume_24h_change":30.0,"normalized_vol_24hr":4.597010612487793,"normalized_volume":5.3661017417907715,"liquidity":9254.3463,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T22:14:46.622567Z","fetched_at":"2026-09-17T22:14:46.622567Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-john-kelly-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.06,0.055,0.065,0.075,0.06,0.055,0.065,0.075,0.055,0.055,0.05,0.06,0.05,0.06]},{"source":"polymarket","id":"4592052","event_id":"1029007","slug":"will-george-cardenas-win-the-2027-chicago-mayoral-election","question":"Will George Cardenas win the 2027 Chicago mayoral election?","group_item_title":"George Cardenas","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-george-cardenas-win-the-2027-chicago-mayoral-election-zVSjziERSDUF.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-george-cardenas-win-the-2027-chicago-mayoral-election-zVSjziERSDUF.jpg","outcomes":["Yes","No"],"outcome_prices":[0.035,0.965],"probability":0.035,"spread":0.05,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":50.0,"volume_24hr":30.0,"prob_24h_change":-0.019999999999999997,"volume_24h_change":30.0,"normalized_vol_24hr":4.597010612487793,"normalized_volume":4.535620212554932,"liquidity":698.70492,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T16:30:48.672179Z","fetched_at":"2026-09-17T16:30:48.672179Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-george-cardenas-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.055,0.045,0.04,0.035]},{"source":"polymarket","id":"4592061","event_id":"1029007","slug":"will-kam-buckner-win-the-2027-chicago-mayoral-election","question":"Will Kam Buckner win the 2027 Chicago mayoral election?","group_item_title":"Kam Buckner","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-kam-buckner-win-the-2027-chicago-mayoral-election-KLFiE1ylxQa4.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-kam-buckner-win-the-2027-chicago-mayoral-election-KLFiE1ylxQa4.png","outcomes":["Yes","No"],"outcome_prices":[0.0345,0.9655],"probability":0.0345,"spread":0.063,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":69.97,"volume_24hr":49.97,"prob_24h_change":0.0030000000000000027,"volume_24h_change":49.97,"normalized_vol_24hr":6.024716854095459,"normalized_volume":5.33000373840332,"liquidity":1034.73979,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T22:55:04.912847Z","fetched_at":"2026-09-17T22:55:04.912847Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-kam-buckner-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.0315,0.0315,0.031,0.031,0.0315,0.029,0.017,0.016,0.014,0.0125,0.012,0.0105,0.164,0.0335]},{"source":"polymarket","id":"4592051","event_id":"1029007","slug":"will-danielle-carter-walters-win-the-2027-chicago-mayoral-election","question":"Will Danielle Carter-Walters win the 2027 Chicago mayoral election?","group_item_title":"Danielle Carter-Walters","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-danielle-carter-walters-win-the-2027-chicago-mayoral-election-L3EBM_ZToSt-.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-danielle-carter-walters-win-the-2027-chicago-mayoral-election-L3EBM_ZToSt-.jpg","outcomes":["Yes","No"],"outcome_prices":[0.033,0.967],"probability":0.033,"spread":0.06,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":69.97,"volume_24hr":49.97,"prob_24h_change":0.009500000000000001,"volume_24h_change":49.97,"normalized_vol_24hr":6.024716854095459,"normalized_volume":5.33000373840332,"liquidity":845.28033,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T22:55:04.912847Z","fetched_at":"2026-09-17T22:55:04.912847Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-danielle-carter-walters-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.0235,0.0235,0.023,0.0235,0.023,0.0235,0.0225,0.018,0.016,0.014,0.013,0.0125,0.011,0.009,0.0325]},{"source":"polymarket","id":"4592058","event_id":"1029007","slug":"will-mike-quigley-win-the-2027-chicago-mayoral-election","question":"Will Mike Quigley win the 2027 Chicago mayoral election?","group_item_title":"Mike Quigley","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-mike-quigley-win-the-2027-chicago-mayoral-election-pRX989_5TmLG.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-mike-quigley-win-the-2027-chicago-mayoral-election-pRX989_5TmLG.jpg","outcomes":["Yes","No"],"outcome_prices":[0.033,0.967],"probability":0.033,"spread":0.06,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":59.97,"volume_24hr":39.97,"prob_24h_change":0.026500000000000003,"volume_24h_change":29.97,"normalized_vol_24hr":5.373913288116455,"normalized_volume":4.956927299499512,"liquidity":776.26333,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T22:35:42.394423Z","fetched_at":"2026-09-17T22:35:42.394423Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-mike-quigley-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.0065,0.019,0.059,0.037,0.038,0.0345,0.035,0.0445,0.033]},{"source":"polymarket","id":"4592059","event_id":"1029007","slug":"will-willie-wilson-win-the-2027-chicago-mayoral-election","question":"Will Willie Wilson win the 2027 Chicago mayoral election?","group_item_title":"Willie Wilson","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-willie-wilson-win-the-2027-chicago-mayoral-election-ohNntilsNLUw.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-willie-wilson-win-the-2027-chicago-mayoral-election-ohNntilsNLUw.png","outcomes":["Yes","No"],"outcome_prices":[0.033,0.967],"probability":0.033,"spread":0.06,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":69.97,"volume_24hr":49.97,"prob_24h_change":0.009500000000000001,"volume_24h_change":49.97,"normalized_vol_24hr":6.024716854095459,"normalized_volume":5.33000373840332,"liquidity":1011.59338,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T22:55:04.912847Z","fetched_at":"2026-09-17T22:55:04.912847Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-willie-wilson-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.0235,0.0235,0.023,0.023,0.0235,0.0235,0.0225,0.017,0.016,0.014,0.0125,0.011,0.009,0.034]},{"source":"polymarket","id":"4592060","event_id":"1029007","slug":"will-maria-pappas-win-the-2027-chicago-mayoral-election","question":"Will Maria Pappas win the 2027 Chicago mayoral election?","group_item_title":"Maria Pappas","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-maria-pappas-win-the-2027-chicago-mayoral-election-pI_qqq1bW51p.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-maria-pappas-win-the-2027-chicago-mayoral-election-pI_qqq1bW51p.jpg","outcomes":["Yes","No"],"outcome_prices":[0.033,0.967],"probability":0.033,"spread":0.06,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":69.97,"volume_24hr":49.97,"prob_24h_change":0.009500000000000001,"volume_24h_change":49.97,"normalized_vol_24hr":6.024716854095459,"normalized_volume":5.33000373840332,"liquidity":980.88079,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T22:55:04.912847Z","fetched_at":"2026-09-17T22:55:04.912847Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-maria-pappas-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.0235,0.023,0.023,0.0235,0.0225,0.017,0.016,0.014,0.0125,0.011,0.009,0.0335]},{"source":"polymarket","id":"4592054","event_id":"1029007","slug":"will-joe-holberg-win-the-2027-chicago-mayoral-election","question":"Will Joe Holberg win the 2027 Chicago mayoral election?","group_item_title":"Joe Holberg","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-joe-holberg-win-the-2027-chicago-mayoral-election-zWbotLjrhNRa.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/will-joe-holberg-win-the-2027-chicago-mayoral-election-zWbotLjrhNRa.jpg","outcomes":["Yes","No"],"outcome_prices":[0.011,0.989],"probability":0.011,"spread":0.018,"active":true,"closed":false,"start_date":"2026-09-15T17:49:29Z","end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":41.0,"volume_24hr":21.0,"prob_24h_change":0.0009999999999999992,"volume_24h_change":11.0,"normalized_vol_24hr":3.724672555923462,"normalized_volume":4.098736763000488,"liquidity":8797.52022,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-17T16:10:39.243633Z","fetched_at":"2026-09-17T16:10:39.243633Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-joe-holberg-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":[0.01,0.011]},{"source":"polymarket","id":"4592092","event_id":"1029007","slug":"will-other-win-the-2027-chicago-mayoral-election","question":"Will Other win the 2027 Chicago mayoral election?","group_item_title":"Other","description":"The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027.\n\nThis market will resolve according to the candidate that wins the election.\n\nThe primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/2027-chicago-mayoral-election-tefa38pxI8iF.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/2027-chicago-mayoral-election-tefa38pxI8iF.jpg","outcomes":["Yes","No"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":1.0,"active":true,"closed":false,"start_date":null,"end_date":"2027-04-06T23:59:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-09-15T18:10:47.334727Z","fetched_at":"2026-09-15T18:10:47.334727Z","added_at":"2026-09-15T18:10:47.334727Z","url":"https://polymarket.com/event/2027-chicago-mayoral-election/will-other-win-the-2027-chicago-mayoral-election","event_title":"2027 Chicago Mayoral Election","chart_24h":null}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/1029007","as_of":"2026-09-17T23:12:14.946136Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"2027 Chicago Mayoral Election\" — top market at 16% probability across 13 outcomes","source_url":null}}