{"source":"polymarket","id":"528238","ticker":"measles-cases-in-us-by-june-30","slug":"measles-cases-in-us-by-june-30","title":"Measles cases in U.S. by June 30?","description":"This market will resolve to \"Yes\" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026, according to the CDC case counter by June 30, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nThe resolution source for this market will be the CDC Measles (Rubeola) counter 'Total Cases' in 2026 (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.\n\nNote: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/1200-measles-cases-in-us-before-june-jPVnjl81lNC-.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/1200-measles-cases-in-us-before-june-jPVnjl81lNC-.jpg","active":true,"closed":false,"start_date":"2026-05-26T23:05:34.724262Z","end_date":"2026-06-30T00:00:00Z","closed_time":null,"volume":1106.578927,"volume_24hr":1061.578927,"volume_24h_change":null,"normalized_vol_24hr":17.17962646484375,"normalized_volume":11.192767143249512,"liquidity":6075.9765,"open_interest":680.045292,"categories":["Climate and Weather","Science and Technology"],"tags":[{"id":"84","slug":"weather","label":"Weather"},{"id":"74","slug":"science","label":"Science"},{"id":"101906","slug":"measles","label":"Measles"},{"id":"570","slug":"pandemics","label":"Pandemics"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"2200","top_outcome_probability":0.45,"top_outcome_prob_24h_change":-0.04999999999999999,"top_outcome_volume_24h_change":305.734309,"updated_at":"2026-05-28T14:17:16.147270Z","fetched_at":"2026-05-28T14:17:16.147270Z","added_at":"2026-05-26T22:57:02.530006Z","url":"https://polymarket.com/event/measles-cases-in-us-by-june-30","chart_24h":[75.466665,152.466665,152.466665,226.258069,375.248069,375.248069,435.248069,435.248069,484.790795,484.790795,532.060795,532.060795,532.060795,532.060795,532.060795,532.060795,532.060795,532.060795,532.060795,532.060795,532.060795,913.420795,913.420795,913.420795,913.420795,913.420795,913.420795,913.420795,913.420795,913.420795,933.420795,974.540357,1036.540357,1036.540357,1036.540357,1036.540357,1097.650357,1097.650357,1097.650357,1106.578927],"markets":[{"source":"polymarket","id":"2364481","event_id":"528238","slug":"will-there-be-at-least-2200-measles-cases-in-the-us-by-june-30-2026","question":"Will there be at least 2200 measles cases in the U.S. by June 30, 2026?","group_item_title":"2200","description":"This market will resolve to \"Yes\" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026, according to the CDC case counter by June 30, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nThe resolution source for this market will be the CDC Measles (Rubeola) counter 'Total Cases' in 2026 (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.\n\nNote: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/1200-measles-cases-in-us-before-june-jPVnjl81lNC-.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/1200-measles-cases-in-us-before-june-jPVnjl81lNC-.jpg","outcomes":["Yes","No"],"outcome_prices":[0.45,0.55],"probability":0.45,"spread":0.02,"active":true,"closed":false,"start_date":"2026-05-26T22:46:53.118162Z","end_date":"2026-06-30T00:00:00Z","closed_time":null,"volume":305.734309,"volume_24hr":305.734309,"prob_24h_change":-0.04999999999999999,"volume_24h_change":305.734309,"normalized_vol_24hr":13.128992080688477,"normalized_volume":9.619403839111328,"liquidity":1461.6929,"categories":["Climate and Weather","Science and Technology"],"updated_at":"2026-05-28T14:17:54.251589Z","fetched_at":"2026-05-28T13:06:15.091175Z","added_at":"2026-05-26T22:57:02.574233Z","url":"https://polymarket.com/event/measles-cases-in-us-by-june-30/will-there-be-at-least-2200-measles-cases-in-the-us-by-june-30-2026","event_title":"Measles cases in U.S. by June 30?","chart_24h":[0.5,0.6,0.605,0.605,0.365,0.45,0.465,0.455,0.45,0.45,0.45,0.45,0.45,0.45,0.45,0.45,0.45,0.45,0.45,0.45,0.45,0.45,0.45,0.45,0.45]},{"source":"polymarket","id":"2364482","event_id":"528238","slug":"will-there-be-at-least-2300-measles-cases-in-the-us-by-june-30-2026","question":"Will there be at least 2300 measles cases in the U.S. by June 30, 2026?","group_item_title":"2300","description":"This market will resolve to \"Yes\" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026, according to the CDC case counter by June 30, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nThe resolution source for this market will be the CDC Measles (Rubeola) counter 'Total Cases' in 2026 (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.\n\nNote: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/1200-measles-cases-in-us-before-june-jPVnjl81lNC-.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/1200-measles-cases-in-us-before-june-jPVnjl81lNC-.jpg","outcomes":["Yes","No"],"outcome_prices":[0.115,0.885],"probability":0.115,"spread":0.03,"active":true,"closed":false,"start_date":"2026-05-26T22:46:47.010397Z","end_date":"2026-06-30T00:00:00Z","closed_time":null,"volume":688.621421,"volume_24hr":688.621421,"prob_24h_change":-0.0049999999999999906,"volume_24h_change":678.154756,"normalized_vol_24hr":17.107025146484375,"normalized_volume":12.534045219421387,"liquidity":1977.0506,"categories":["Climate and Weather","Science and Technology"],"updated_at":"2026-05-28T13:35:43.476546Z","fetched_at":"2026-05-28T10:06:30.777422Z","added_at":"2026-05-26T22:57:02.574233Z","url":"https://polymarket.com/event/measles-cases-in-us-by-june-30/will-there-be-at-least-2300-measles-cases-in-the-us-by-june-30-2026","event_title":"Measles cases in U.S. by June 30?","chart_24h":[0.12,0.28,0.2,0.135,0.235,0.205,0.27,0.325,0.24,0.24,0.235,0.235,0.235,0.235,0.235,0.235,0.235,0.14,0.13,0.13,0.13,0.125,0.12,0.115,0.115,0.115,0.115,0.115,0.115]},{"source":"polymarket","id":"2364483","event_id":"528238","slug":"will-there-be-at-least-2400-measles-cases-in-the-us-by-june-30-2026","question":"Will there be at least 2400 measles cases in the U.S. by June 30, 2026?","group_item_title":"2400","description":"This market will resolve to \"Yes\" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026, according to the CDC case counter by June 30, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nThe resolution source for this market will be the CDC Measles (Rubeola) counter 'Total Cases' in 2026 (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.\n\nNote: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/1200-measles-cases-in-us-before-june-jPVnjl81lNC-.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/1200-measles-cases-in-us-before-june-jPVnjl81lNC-.jpg","outcomes":["Yes","No"],"outcome_prices":[0.09,0.91],"probability":0.09,"spread":0.02,"active":true,"closed":false,"start_date":"2026-05-26T22:43:52.599667Z","end_date":"2026-06-30T00:00:00Z","closed_time":null,"volume":112.223197,"volume_24hr":47.223197,"prob_24h_change":-0.04000000000000001,"volume_24h_change":-17.776803,"normalized_vol_24hr":6.015381336212158,"normalized_volume":6.562255382537842,"liquidity":2097.4357,"categories":["Climate and Weather","Science and Technology"],"updated_at":"2026-05-28T14:18:15.559724Z","fetched_at":"2026-05-28T14:17:16.253560Z","added_at":"2026-05-26T22:57:02.574233Z","url":"https://polymarket.com/event/measles-cases-in-us-by-june-30/will-there-be-at-least-2400-measles-cases-in-the-us-by-june-30-2026","event_title":"Measles cases in U.S. by June 30?","chart_24h":[0.13,0.125,0.125,0.07,0.075,0.09,0.09,0.09,0.09,0.09,0.09,0.09,0.09,0.09,0.09,0.09,0.09,0.09,0.09,0.09]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/528238","as_of":"2026-05-28T14:27:28.103666Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Measles cases in U.S. by June 30?\" — top market at 12% probability across 3 outcomes","source_url":null}}