{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31","ticker":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31","title":"Who will headline Lollapalooza Chicago 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":null,"volume":513760.96,"volume_24hr":424.05,"volume_24h_change":null,"normalized_vol_24hr":10.573010444641113,"normalized_volume":42.50060272216797,"liquidity":null,"open_interest":158449.94,"categories":["Culture"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Lorde","top_outcome_probability":0.95,"top_outcome_prob_24h_change":0.010000000000000009,"top_outcome_volume_24h_change":23.860000000000014,"updated_at":"2026-06-26T03:59:29.104204Z","fetched_at":"2026-06-26T03:59:29.104204Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","chart_24h":[530.55,647.67,651.67,688.67,705.67,338.67,335.67,263.67,268.89,320.89,339.89,340.89,340.84,266.05,426.05,424.05],"markets":[{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-LOR","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-LOR","question":"Will Lorde be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Lorde","description":"If Lorde is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.95,0.050000000000000044],"probability":0.95,"spread":0.020000000000000018,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":60090.84,"volume_24hr":163.0,"prob_24h_change":0.010000000000000009,"volume_24h_change":23.860000000000014,"normalized_vol_24hr":7.818087100982666,"normalized_volume":35.81007766723633,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T04:01:09.032447Z","fetched_at":"2026-06-26T03:59:29.318267Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.94,0.94,0.95,0.95,0.95,0.95,0.95,0.95,0.95,0.95,0.95,0.95,0.95]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-ARI","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-ARI","question":"Will Ariana Grande be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Ariana Grande","description":"If Ariana Grande is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.04,0.96],"probability":0.04,"spread":0.02,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":9809.32,"volume_24hr":37.0,"prob_24h_change":0.0,"volume_24h_change":-185.0,"normalized_vol_24hr":3.9774935245513916,"normalized_volume":24.98485565185547,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T04:56:51.747940Z","fetched_at":"2026-06-26T01:35:29.113754Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.04,0.04,0.04,0.04,0.04,0.04,0.04]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-BAD","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-BAD","question":"Will Bad Bunny be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Bad Bunny","description":"If Bad Bunny is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.03,0.97],"probability":0.03,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":84088.22,"volume_24hr":16.93,"prob_24h_change":-0.010000000000000002,"volume_24h_change":-73.47999999999999,"normalized_vol_24hr":2.504485845565796,"normalized_volume":38.03044509887695,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T07:02:54.398801Z","fetched_at":"2026-06-26T03:59:29.318267Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.04,0.04,0.04,0.04,0.04,0.03,0.03,0.03,0.03,0.03,0.03]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-LAD","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-LAD","question":"Will Lady Gaga be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Lady Gaga","description":"If Lady Gaga is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.03,0.97],"probability":0.03,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":27095.17,"volume_24hr":137.12,"prob_24h_change":-0.010000000000000002,"volume_24h_change":20.0,"normalized_vol_24hr":7.300388336181641,"normalized_volume":30.813579559326172,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T03:31:52.708038Z","fetched_at":"2026-06-25T23:15:45.874321Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.04,0.03,0.03,0.03]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-GUN","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-GUN","question":"Will Guns N' Roses be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Guns N' Roses","description":"If Guns N' Roses is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.009999999999999998,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":3096.93,"volume_24hr":15.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":2.3107545375823975,"normalized_volume":19.11094856262207,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-25T18:35:22.244937Z","fetched_at":"2026-06-25T15:19:40.581134Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.02,0.02]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-MAR","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-MAR","question":"Will Maroon 5 be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Maroon 5","description":"If Maroon 5 is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.009999999999999998,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":2020.36,"volume_24hr":1.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":0.14442215859889984,"normalized_volume":17.13471221923828,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-25T13:41:06.841948Z","fetched_at":"2026-06-25T11:54:59.585113Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.02,0.02]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-MET","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-MET","question":"Will Metallica be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Metallica","description":"If Metallica is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.02,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":13680.3,"volume_24hr":1.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":0.14442215859889984,"normalized_volume":26.825790405273438,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T06:21:53.188936Z","fetched_at":"2026-06-25T11:54:59.585113Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.02,0.02]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-TAM","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-TAM","question":"Will Tame Impala be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Tame Impala","description":"If Tame Impala is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.009999999999999998,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":170987.0,"volume_24hr":53.0,"prob_24h_change":0.0,"volume_24h_change":52.0,"normalized_vol_24hr":4.783078670501709,"normalized_volume":42.93984603881836,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T07:44:11.501561Z","fetched_at":"2026-06-25T22:07:27.396393Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.02,0.02,0.02,0.02,0.02,0.02]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-DOJ","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-DOJ","question":"Will Doja Cat be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Doja Cat","description":"If Doja Cat is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.04,0.96],"probability":0.04,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":10840.31,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":25.53109359741211,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T04:15:31.897893Z","fetched_at":"2026-06-25T04:44:39.322471Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":null},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-POS","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-POS","question":"Will Post Malone be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Post Malone","description":"If Post Malone is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.04,0.96],"probability":0.04,"spread":0.010000000000000002,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":23793.93,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":30.034160614013672,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T06:36:13.052851Z","fetched_at":"2026-06-24T22:29:34.811163Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.04,0.04]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-CHE","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-CHE","question":"Will My Chemical Romance be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"My Chemical Romance","description":"If My Chemical Romance is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.03,0.97],"probability":0.03,"spread":0.009999999999999998,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":39158.17,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":33.07699966430664,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T02:47:57.912501Z","fetched_at":"2026-06-25T16:06:31.593908Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.03,0.03,0.03]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-OLI","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-OLI","question":"Will Olivia Rodrigo be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Olivia Rodrigo","description":"If Olivia Rodrigo is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.03,0.97],"probability":0.03,"spread":0.009999999999999998,"active":true,"closed":false,"start_date":"2025-12-10T17:54:08Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":14623.52,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":27.20268440246582,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T01:22:40.470497Z","fetched_at":"2026-06-25T04:31:13.533291Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.03,0.03]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-ARC","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-ARC","question":"Will Arctic Monkeys be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Arctic Monkeys","description":"If Arctic Monkeys is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.01,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":10365.31,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":25.285459518432617,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-25T15:07:02.229070Z","fetched_at":"2026-06-05T15:44:08.571684Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.02,0.02]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-BRU","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-BRU","question":"Will Bruno Mars be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Bruno Mars","description":"If Bruno Mars is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.02,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":29597.27,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":31.349153518676758,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-26T04:30:00.321177Z","fetched_at":"2026-06-24T04:49:42.148220Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.02,0.02]},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-EDS","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-EDS","question":"Will Ed Sheeran be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"Ed Sheeran","description":"If Ed Sheeran is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.01,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":1979.9,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":17.043800354003906,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-25T22:36:58.689800Z","fetched_at":"2026-06-24T22:44:09.812841Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":null},{"source":"kalshi","id":"KXROLEATEVENTLOLLA-26DEC31-WEE","event_id":"KXROLEATEVENTLOLLA-26DEC31","slug":"KXROLEATEVENTLOLLA-26DEC31-WEE","question":"Will The Weeknd be a Headliner at Lollapalooza Chicago 2026?","group_item_title":"The Weeknd","description":"If The Weeknd is the Headliner at Lollapalooza Chicago 2026, then the market resolves to Yes.\n\n---\n\nTo fulfill the Payout Criterion, the specified person must actually appear and carry out the specified role at the event. Being listed in the official lineup without actually performing does not qualify. Joint performances where the person shares the role with another performer do count. The performance qualifies even if delayed, shortened, or modified in format. Pre-recorded content does not qualify unless explicitly designated by organizers as fulfilling the role. Rumored or unofficial announcements, canceled appearances, and performances in different roles than specified do not satisfy the criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.009999999999999998,"active":true,"closed":false,"start_date":"2025-12-10T15:00:00Z","end_date":"2027-12-31T15:00:00Z","closed_time":"2026-12-31T04:59:00Z","volume":12534.41,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":26.335283279418945,"liquidity":null,"categories":["Culture"],"countries":[],"updated_at":"2026-06-25T23:17:19.959223Z","fetched_at":"2026-06-25T03:48:00.306546Z","added_at":null,"url":"https://kalshi.com/markets/kxroleateventlolla/who-will-headline-lollapalooza-chicago-2026/kxroleateventlolla-26dec31","event_title":"Who will headline Lollapalooza Chicago 2026?","chart_24h":[0.02,0.02]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXROLEATEVENTLOLLA-26DEC31","as_of":"2026-06-26T08:40:32.809299Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Who will headline Lollapalooza Chicago 2026?\" — top market at 95% probability across 16 outcomes","source_url":null}}