{"source":"polymarket","id":"776868","ticker":"measles-cases-in-uptspt-by-august-31-20260728213423295","slug":"measles-cases-in-uptspt-by-august-31-20260728213423295","title":"Measles cases in U.S. by August 31?","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 August 31, 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":"2026-07-31T14:27:51.821524Z","end_date":"2026-08-31T23:59:00Z","closed_time":null,"volume":1043.301367,"volume_24hr":1043.3013669999998,"volume_24h_change":null,"normalized_vol_24hr":20.44158935546875,"normalized_volume":11.01256275177002,"liquidity":5910.1076,"open_interest":738.080751,"categories":["Science and Technology","Climate and Weather"],"tags":[{"id":"101906","slug":"measles","label":"Measles"},{"id":"74","slug":"science","label":"Science"},{"id":"84","slug":"weather","label":"Weather"},{"id":"570","slug":"pandemics","label":"Pandemics"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"2400+","top_outcome_probability":0.987,"top_outcome_prob_24h_change":0.027000000000000024,"top_outcome_volume_24h_change":302.41068099999995,"updated_at":"2026-08-01T15:34:55.956526Z","fetched_at":"2026-08-01T15:34:55.956526Z","added_at":"2026-07-31T14:43:49.861329Z","url":"https://polymarket.com/event/measles-cases-in-uptspt-by-august-31-20260728213423295","chart_24h":[210.0,210.0,210.0,462.345566,486.78465900000003,486.78465900000003,586.784659,596.784659,596.784659,596.784659,636.784659,972.4170849999998,972.4170849999998,972.4170849999998,972.4170849999998,972.4170849999998,982.4321249999999,983.3121249999999,983.3121249999999,983.3121249999999,1043.3013669999998,1043.3013669999998,1043.3013669999998,1043.3013669999998],"markets":[{"source":"polymarket","id":"3240696","event_id":"776868","slug":"will-there-be-at-least-2400-measles-cases-in-the-uptspt-by-august-31-2026-20260728213423296","question":"Will there be at least 2400 measles cases in the U.S. by August 31, 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 August 31, 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":[0.987,0.013],"probability":0.987,"spread":0.02,"active":true,"closed":false,"start_date":"2026-07-31T14:27:53.827719Z","end_date":"2026-08-31T23:59:00Z","closed_time":null,"volume":512.4106810000001,"volume_24hr":512.410681,"prob_24h_change":0.027000000000000024,"volume_24h_change":302.41068099999995,"normalized_vol_24hr":17.829561233520508,"normalized_volume":11.427918434143066,"liquidity":4209.3931,"categories":["Science and Technology","Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-01T15:38:22.928220Z","fetched_at":"2026-08-01T14:52:04.534028Z","added_at":"2026-07-31T14:43:49.878279Z","url":"https://polymarket.com/event/measles-cases-in-uptspt-by-august-31-20260728213423295/will-there-be-at-least-2400-measles-cases-in-the-uptspt-by-august-31-2026-20260728213423296","event_title":"Measles cases in U.S. by August 31?","chart_24h":[0.96,0.935,0.994,0.9845,0.9845,0.994,0.9845,0.9845,0.9845,0.9845,0.985,0.985,0.985,0.9855,0.9855,0.9855,0.9865,0.9865,0.9865,0.987,0.987]},{"source":"polymarket","id":"3240697","event_id":"776868","slug":"will-there-be-at-least-2450-measles-cases-in-the-uptspt-by-august-31-2026-20260728213423297","question":"Will there be at least 2450 measles cases in the U.S. by August 31, 2026?","group_item_title":"2450+","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 August 31, 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":[0.94,0.06],"probability":0.94,"spread":0.08,"active":true,"closed":false,"start_date":"2026-07-31T14:27:56.882228Z","end_date":"2026-08-31T23:59:00Z","closed_time":null,"volume":125.208325,"volume_24hr":125.208325,"prob_24h_change":0.17999999999999994,"volume_24h_change":125.208325,"normalized_vol_24hr":10.713751792907715,"normalized_volume":6.867015838623047,"liquidity":583.4,"categories":["Science and Technology","Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-01T15:36:19.744568Z","fetched_at":"2026-08-01T10:49:44.961341Z","added_at":"2026-07-31T14:43:49.878279Z","url":"https://polymarket.com/event/measles-cases-in-uptspt-by-august-31-20260728213423295/will-there-be-at-least-2450-measles-cases-in-the-uptspt-by-august-31-2026-20260728213423297","event_title":"Measles cases in U.S. by August 31?","chart_24h":[0.76,0.77,0.78,0.88,0.885,0.89,0.89,0.91,0.915,0.92,0.88,0.88,0.935,0.94,0.94,0.94]},{"source":"polymarket","id":"3240698","event_id":"776868","slug":"will-there-be-at-least-2500-measles-cases-in-the-uptspt-by-august-31-2026-20260728213423298","question":"Will there be at least 2500 measles cases in the U.S. by August 31, 2026?","group_item_title":"2500+","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 August 31, 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":[0.855,0.145],"probability":0.855,"spread":0.03,"active":true,"closed":false,"start_date":"2026-07-31T14:27:51.821524Z","end_date":"2026-08-31T23:59:00Z","closed_time":null,"volume":306.462351,"volume_24hr":306.462351,"prob_24h_change":0.08499999999999996,"volume_24h_change":306.462351,"normalized_vol_24hr":15.020390510559082,"normalized_volume":9.627370834350586,"liquidity":1922.776,"categories":["Science and Technology","Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-01T15:36:19.744568Z","fetched_at":"2026-08-01T10:49:44.961341Z","added_at":"2026-07-31T14:43:49.878279Z","url":"https://polymarket.com/event/measles-cases-in-uptspt-by-august-31-20260728213423295/will-there-be-at-least-2500-measles-cases-in-the-uptspt-by-august-31-2026-20260728213423298","event_title":"Measles cases in U.S. by August 31?","chart_24h":[0.77,0.775,0.78,0.78,0.865,0.855,0.825,0.83,0.845,0.84,0.855,0.855,0.855]},{"source":"polymarket","id":"3241246","event_id":"776868","slug":"will-there-be-at-least-2550-measles-cases-in-the-us-by-august-31-2026","question":"Will there be at least 2550 measles cases in the U.S. by August 31, 2026?","group_item_title":"2550+","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 August 31, 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":[0.73,0.27],"probability":0.73,"spread":0.36,"active":true,"closed":false,"start_date":"2026-07-31T16:32:08.664636Z","end_date":"2026-08-31T23:59:00Z","closed_time":null,"volume":69.22001,"volume_24hr":69.22001,"prob_24h_change":0.22999999999999998,"volume_24h_change":69.22001,"normalized_vol_24hr":8.27433967590332,"normalized_volume":5.303466320037842,"liquidity":38.2867,"categories":["Science and Technology","Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-01T15:15:52.481567Z","fetched_at":"2026-08-01T15:14:30.348307Z","added_at":"2026-07-31T16:40:58.939723Z","url":"https://polymarket.com/event/measles-cases-in-uptspt-by-august-31-20260728213423295/will-there-be-at-least-2550-measles-cases-in-the-us-by-august-31-2026","event_title":"Measles cases in U.S. by August 31?","chart_24h":[0.5,0.5,0.5,0.5,0.5,0.665,0.66,0.525,0.51,0.505,0.505,0.5,0.5,0.735,0.73,0.75,0.73]},{"source":"polymarket","id":"3241249","event_id":"776868","slug":"will-there-be-at-least-2600-measles-cases-in-the-us-by-august-31-2026","question":"Will there be at least 2600 measles cases in the U.S. by August 31, 2026?","group_item_title":"2600+","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 August 31, 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":[0.56,0.44],"probability":0.56,"spread":0.72,"active":true,"closed":false,"start_date":"2026-07-31T16:32:09.665033Z","end_date":"2026-08-31T23:59:00Z","closed_time":null,"volume":30.0,"volume_24hr":30.0,"prob_24h_change":0.06500000000000006,"volume_24h_change":30.0,"normalized_vol_24hr":5.397828102111816,"normalized_volume":3.45975661277771,"liquidity":30.7496,"categories":["Science and Technology","Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-01T14:06:12.985087Z","fetched_at":"2026-08-01T14:05:03.927379Z","added_at":"2026-07-31T16:40:58.939723Z","url":"https://polymarket.com/event/measles-cases-in-uptspt-by-august-31-20260728213423295/will-there-be-at-least-2600-measles-cases-in-the-us-by-august-31-2026","event_title":"Measles cases in U.S. by August 31?","chart_24h":[0.495,0.485,0.5,0.565,0.56,0.555,0.56,0.56,0.595,0.575,0.59,0.595,0.59,0.555,0.56]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/776868","as_of":"2026-08-01T15:48:56.552980Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Measles cases in U.S. by August 31?\" — top market at 99% probability across 5 outcomes","source_url":null}}