{"_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/polymarket/870830","as_of":"2026-10-24T08:37:06.530308Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Colorado Senate Election: Turnout\" — \"2.7M-2.85M\" leads at 32% across 8 outcomes as of 2026-10-24 UTC. https://pdata.world/events/polymarket/870830","source_url":"https://polymarket.com/event/colorado-senate-election-turnout"},"source":"polymarket","id":"870830","ticker":"colorado-senate-election-turnout","slug":"colorado-senate-election-turnout","title":"Colorado Senate Election: Turnout","description":"This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Colorado.\n\nIf the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.\n\nIf the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.\n\nAll votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.\n\nThe primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/colorado-senate-election-winner-iT5FCnAoDmcX.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/colorado-senate-election-winner-iT5FCnAoDmcX.png","active":true,"closed":false,"start_date":"2026-08-18T14:07:29Z","end_date":"2026-11-04T04:59:00Z","closed_time":null,"volume":15813.902974,"volume_24hr":188.952856,"volume_24h_change":null,"normalized_vol_24hr":11.399633407592773,"normalized_volume":21.231477737426758,"liquidity":123307.63707,"open_interest":1311.1160300000001,"categories":["Politics","Elections"],"tags":[{"id":"100891","slug":"turnout","label":"turnout"},{"id":"102289","slug":"midterms","label":"Midterms"},{"id":"2","slug":"politics","label":"Politics"},{"id":"144","slug":"elections","label":"Elections"},{"id":"105875","slug":"midtermmov","label":"Midterm MOV"},{"id":"104093","slug":"senate-midterms","label":"Senate Elections"},{"id":"104013","slug":"colorado-midterm","label":"Colorado Midterm"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"2.7M-2.85M","top_outcome_probability":0.325,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-10-24T08:27:47.121149Z","fetched_at":"2026-10-24T08:27:47.121149Z","added_at":"2026-08-18T14:38:44.188892Z","url":"https://polymarket.com/event/colorado-senate-election-turnout","chart_24h":[176.426667,176.426667,166.426667,166.426667,166.426667,166.426667,166.426667,166.426667,326.999523,326.999523,306.899523,266.572856,246.572856,240.572856,240.572856,240.572856,240.572856,240.572856,240.572856,240.572856,240.572856,248.952856,228.952856,228.952856,228.952856,228.952856,228.952856,188.952856,188.952856,188.952856],"kind":"live","mutually_exclusive":true,"markets_total":8,"markets":[{"source":"polymarket","id":"3697376","event_id":"870830","slug":"will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2550000-and-2700000","question":"Will total votes cast in the 2026 midterm election for Senator from Colorado be between 2,550,000 and 2,700,000?","group_item_title":"2.55M-2.7M","description":"This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Colorado.\n\nIf the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.\n\nIf the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.\n\nAll votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.\n\nThe primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.23,0.77],"probability":0.23,"spread":0.04,"active":true,"closed":false,"start_date":"2026-08-18T14:07:29Z","end_date":"2026-11-04T04:59:00Z","closed_time":null,"result":null,"volume":2606.607121,"volume_24hr":180.572856,"prob_24h_change":-0.014999999999999986,"volume_24h_change":144.572856,"normalized_vol_24hr":11.577130317687988,"normalized_volume":18.154190063476562,"liquidity":12105.9906,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-10-24T05:42:04.473248Z","fetched_at":"2026-10-24T05:42:04.473248Z","added_at":"2026-08-18T14:38:44.276418Z","url":"https://polymarket.com/event/colorado-senate-election-turnout/will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2550000-and-2700000","event_title":"Colorado Senate Election: Turnout","chart_24h":[0.16,0.245,0.255,0.25,0.27,0.355,0.325,0.315,0.29,0.285,0.285,0.2,0.265,0.265,0.255,0.235,0.23]},{"source":"polymarket","id":"3697373","event_id":"870830","slug":"will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2100000-and-2250000","question":"Will total votes cast in the 2026 midterm election for Senator from Colorado be between 2,100,000 and 2,250,000?","group_item_title":"2.1M-2.25M","description":"This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Colorado.\n\nIf the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.\n\nIf the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.\n\nAll votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.\n\nThe primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-18T14:07:29Z","end_date":"2026-11-04T04:59:00Z","closed_time":null,"result":null,"volume":743.52,"volume_24hr":8.38,"prob_24h_change":-0.0005000000000000004,"volume_24h_change":8.38,"normalized_vol_24hr":2.1441869735717773,"normalized_volume":12.82953929901123,"liquidity":16551.64754,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-10-24T07:16:34.748326Z","fetched_at":"2026-10-24T07:16:34.748326Z","added_at":"2026-08-18T14:38:44.276418Z","url":"https://polymarket.com/event/colorado-senate-election-turnout/will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2100000-and-2250000","event_title":"Colorado Senate Election: Turnout","chart_24h":[0.0105,0.0095,0.0085,0.009,0.0125,0.0105,0.0095,0.0075,0.0095,0.009,0.011,0.0085,0.0065,0.0055,0.0125,0.0115,0.011,0.01]},{"source":"polymarket","id":"3697377","event_id":"870830","slug":"will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2700000-and-2850000","question":"Will total votes cast in the 2026 midterm election for Senator from Colorado be between 2,700,000 and 2,850,000?","group_item_title":"2.7M-2.85M","description":"This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Colorado.\n\nIf the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.\n\nIf the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.\n\nAll votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.\n\nThe primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.325,0.675],"probability":0.325,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-18T14:07:29Z","end_date":"2026-11-04T04:59:00Z","closed_time":null,"result":null,"volume":4198.091764,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":20.41989517211914,"liquidity":27432.5703,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-10-24T06:28:58.151964Z","fetched_at":"2026-10-24T06:28:58.151964Z","added_at":"2026-08-18T14:38:44.276418Z","url":"https://polymarket.com/event/colorado-senate-election-turnout/will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2700000-and-2850000","event_title":"Colorado Senate Election: Turnout","chart_24h":[0.325,0.31,0.325,0.31,0.31,0.32,0.32,0.32,0.32,0.315,0.32,0.32,0.325]},{"source":"polymarket","id":"3697375","event_id":"870830","slug":"will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2400000-and-2550000","question":"Will total votes cast in the 2026 midterm election for Senator from Colorado be between 2,400,000 and 2,550,000?","group_item_title":"2.4M-2.55M","description":"This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Colorado.\n\nIf the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.\n\nIf the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.\n\nAll votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.\n\nThe primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.235,0.765],"probability":0.235,"spread":0.03,"active":true,"closed":false,"start_date":"2026-08-18T14:07:29Z","end_date":"2026-11-04T04:59:00Z","closed_time":null,"result":null,"volume":2165.1007860000004,"volume_24hr":0.0,"prob_24h_change":-0.0050000000000000044,"volume_24h_change":-60.1,"normalized_vol_24hr":null,"normalized_volume":17.30804443359375,"liquidity":15929.897,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-10-24T06:06:03.557386Z","fetched_at":"2026-10-24T06:06:03.557386Z","added_at":"2026-08-18T14:38:44.276418Z","url":"https://polymarket.com/event/colorado-senate-election-turnout/will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2400000-and-2550000","event_title":"Colorado Senate Election: Turnout","chart_24h":[0.24,0.255,0.25,0.245,0.25,0.24,0.235,0.195,0.22,0.24,0.245,0.255,0.25,0.2,0.29,0.275,0.235,0.235]},{"source":"polymarket","id":"3697379","event_id":"870830","slug":"will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-3000000-or-more","question":"Will total votes cast in the 2026 midterm election for Senator from Colorado be 3,000,000 or more?","group_item_title":"3M+","description":"This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Colorado.\n\nIf the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.\n\nIf the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.\n\nAll votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.\n\nThe primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.133,0.867],"probability":0.133,"spread":0.048,"active":true,"closed":false,"start_date":"2026-08-18T14:07:29Z","end_date":"2026-11-04T04:59:00Z","closed_time":null,"result":null,"volume":1731.134035,"volume_24hr":0.0,"prob_24h_change":0.023500000000000007,"volume_24h_change":-80.326667,"normalized_vol_24hr":null,"normalized_volume":16.315080642700195,"liquidity":12312.79925,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-10-24T08:27:47.911259Z","fetched_at":"2026-10-24T08:27:47.911259Z","added_at":"2026-08-18T14:38:44.276418Z","url":"https://polymarket.com/event/colorado-senate-election-turnout/will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-3000000-or-more","event_title":"Colorado Senate Election: Turnout","chart_24h":[0.157,0.137,0.084,0.097,0.139,0.162,0.063,0.063,0.071,0.28,0.245,0.1245,0.15,0.199,0.189,0.17,0.1115,0.1185,0.1075,0.108,0.1085,0.1095,0.122,0.1645,0.1705,0.163,0.133,0.1315,0.1345]},{"source":"polymarket","id":"3697378","event_id":"870830","slug":"will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2850000-and-3000000","question":"Will total votes cast in the 2026 midterm election for Senator from Colorado be between 2,850,000 and 3,000,000?","group_item_title":"2.85M-3M","description":"This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Colorado.\n\nIf the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.\n\nIf the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.\n\nAll votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.\n\nThe primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.0535,0.9465],"probability":0.0535,"spread":0.059,"active":true,"closed":false,"start_date":"2026-08-18T14:07:29Z","end_date":"2026-11-04T04:59:00Z","closed_time":null,"result":null,"volume":1058.192732,"volume_24hr":0.0,"prob_24h_change":0.0030000000000000027,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":14.233875274658203,"liquidity":11716.77265,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-10-24T08:27:47.911259Z","fetched_at":"2026-10-24T08:27:47.911259Z","added_at":"2026-08-18T14:38:44.276418Z","url":"https://polymarket.com/event/colorado-senate-election-turnout/will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2850000-and-3000000","event_title":"Colorado Senate Election: Turnout","chart_24h":[0.1675,0.142,0.0625,0.0615,0.0615,0.0515,0.06,0.055,0.051,0.06,0.073,0.065,0.0645,0.052,0.053,0.0525,0.056,0.054,0.0555,0.0775,0.051,0.072,0.0555,0.055]},{"source":"polymarket","id":"3697374","event_id":"870830","slug":"will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2250000-and-2400000","question":"Will total votes cast in the 2026 midterm election for Senator from Colorado be between 2,250,000 and 2,400,000?","group_item_title":"2.25M-2.4M","description":"This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Colorado.\n\nIf the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.\n\nIf the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.\n\nAll votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.\n\nThe primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.05,0.95],"probability":0.05,"spread":0.078,"active":true,"closed":false,"start_date":"2026-08-18T14:07:29Z","end_date":"2026-11-04T04:59:00Z","closed_time":null,"result":null,"volume":2168.5643880000002,"volume_24hr":0.0,"prob_24h_change":-0.005999999999999998,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":17.315244674682617,"liquidity":7074.72606,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-10-24T08:27:47.911259Z","fetched_at":"2026-10-24T08:27:47.911259Z","added_at":"2026-08-18T14:38:44.276418Z","url":"https://polymarket.com/event/colorado-senate-election-turnout/will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-between-2250000-and-2400000","event_title":"Colorado Senate Election: Turnout","chart_24h":[0.0365,0.035,0.0335,0.0345,0.028,0.028,0.0445,0.045,0.042,0.0465,0.042,0.0465,0.0415,0.043,0.0555,0.0325,0.029,0.0325,0.031,0.0315,0.0305,0.03,0.0305,0.0305,0.0305]},{"source":"polymarket","id":"3697372","event_id":"870830","slug":"will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-less-than-2100000","question":"Will total votes cast in the 2026 midterm election for Senator from Colorado be less than 2,100,000?","group_item_title":"<2.1M","description":"This market will resolve according to the total number of valid votes cast in the 2026 midterm election for Senator from Colorado.\n\nIf the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.\n\nIf the results of the specified election are not definitively known by March 31, 2027, 11:59 PM ET, this market will resolve to the lowest range bracket.\n\nAll votes certified for candidates or non-candidate options in the specified election are included. Invalidated or blank votes are not included. In ranked-choice or preferential systems, the first-round vote total will be used.\n\nThe primary resolution source for this market will be the official results of the 2026 midterm election for Senator from Colorado, as published by the state electoral authority responsible for certifying the results of the election; however, an overwhelming consensus of credible reporting may also be used.","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.037,0.963],"probability":0.037,"spread":0.066,"active":true,"closed":false,"start_date":"2026-08-18T14:07:29Z","end_date":"2026-11-04T04:59:00Z","closed_time":null,"result":null,"volume":1142.692148,"volume_24hr":0.0,"prob_24h_change":0.0049999999999999975,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":14.549307823181152,"liquidity":2884.38561,"categories":["Politics","Elections"],"countries":["United States"],"updated_at":"2026-10-24T08:27:47.911259Z","fetched_at":"2026-10-24T08:27:47.911259Z","added_at":"2026-08-18T14:38:44.276418Z","url":"https://polymarket.com/event/colorado-senate-election-turnout/will-total-votes-cast-in-the-2026-midterm-election-for-senator-from-colorado-be-less-than-2100000","event_title":"Colorado Senate Election: Turnout","chart_24h":[0.0415,0.04,0.039,0.1465,0.0395,0.039,0.0375,0.036,0.037,0.039,0.0375,0.1955,0.1065,0.051,0.0355,0.036,0.033,0.034,0.032,0.0305,0.0265,0.023,0.037,0.037,0.0365,0.031,0.0385]}]}