{"source":"kalshi","id":"KXACAENROLLMENT-27FEB28","ticker":"KXACAENROLLMENT-27FEB28","slug":"KXACAENROLLMENT-27FEB28","title":"How much will ACA Marketplace enrollment decline in 2027?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-14T00:00:00Z","end_date":"2027-09-29T14:00:00Z","closed_time":null,"volume":396.19,"volume_24hr":0.0,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":8.002570152282715,"liquidity":null,"open_interest":193.68,"categories":["Politics"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Above 5%","top_outcome_probability":0.95,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-07-20T05:06:35.943937Z","fetched_at":"2026-07-20T05:06:35.943937Z","added_at":"2026-07-14T00:16:08.074184Z","url":"https://kalshi.com/markets/kxacaenrollment/how-much-will-aca-marketplace-enrollment-decline-in-2027/kxacaenrollment-27feb28","chart_24h":null,"markets":[{"source":"kalshi","id":"KXACAENROLLMENT-27FEB28-A5","event_id":"KXACAENROLLMENT-27FEB28","slug":"KXACAENROLLMENT-27FEB28-A5","question":"Will the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment be above 5 from February 2026 to February 2027?","group_item_title":"Above 5%","description":"If the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment is above 5% from February 2026 to February 2027, then the market resolves to Yes.\n\n---\n\nThe percent decline equals 100 × (February 2026 enrollment − February 2027 enrollment) ÷ February 2026 enrollment, based on the exact figures reported under CMS’s nationwide “All” Marketplace category, or its equivalent aggregate combining HealthCare.gov and state-based Marketplaces, in CMS’s first official or non-preliminary release containing February 2027 data. 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Nationwide includes the 50 states and Washington, D.C.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.83,0.17000000000000004],"probability":0.83,"spread":0.06999999999999995,"active":true,"closed":false,"start_date":"2026-07-14T00:00:00Z","end_date":"2027-09-29T14:00:00Z","closed_time":"2027-07-01T13:59:00Z","volume":30.02,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":3.0700523853302,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-07-25T19:48:03.039463Z","fetched_at":"2026-07-25T19:48:03.039463Z","added_at":"2026-07-14T00:16:08.993704Z","url":"https://kalshi.com/markets/kxacaenrollment/how-much-will-aca-marketplace-enrollment-decline-in-2027/kxacaenrollment-27feb28","event_title":"How much will ACA Marketplace enrollment decline in 2027?","chart_24h":[0.83,0.83,0.83,0.83,0.83,0.83,0.83]},{"source":"kalshi","id":"KXACAENROLLMENT-27FEB28-A15","event_id":"KXACAENROLLMENT-27FEB28","slug":"KXACAENROLLMENT-27FEB28-A15","question":"Will the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment be above 15 from February 2026 to February 2027?","group_item_title":"Above 15%","description":"If the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment is above 15% from February 2026 to February 2027, then the market resolves to Yes.\n\n---\n\nThe percent decline equals 100 × (February 2026 enrollment − February 2027 enrollment) ÷ February 2026 enrollment, based on the exact figures reported under CMS’s nationwide “All” Marketplace category, or its equivalent aggregate combining HealthCare.gov and state-based Marketplaces, in CMS’s first official or non-preliminary release containing February 2027 data. Nationwide includes the 50 states and Washington, D.C.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.61,0.39],"probability":0.61,"spread":0.06000000000000005,"active":true,"closed":false,"start_date":"2026-07-14T00:00:00Z","end_date":"2027-09-29T14:00:00Z","closed_time":"2027-07-01T13:59:00Z","volume":139.81,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":6.370028972625732,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-07-25T19:48:03.039463Z","fetched_at":"2026-07-25T19:48:03.039463Z","added_at":"2026-07-14T00:16:08.993704Z","url":"https://kalshi.com/markets/kxacaenrollment/how-much-will-aca-marketplace-enrollment-decline-in-2027/kxacaenrollment-27feb28","event_title":"How much will ACA Marketplace enrollment decline in 2027?","chart_24h":[0.61,0.61,0.61,0.61,0.61,0.61,0.61]},{"source":"kalshi","id":"KXACAENROLLMENT-27FEB28-A20","event_id":"KXACAENROLLMENT-27FEB28","slug":"KXACAENROLLMENT-27FEB28-A20","question":"Will the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment be above 20 from February 2026 to February 2027?","group_item_title":"Above 20%","description":"If the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment is above 20% from February 2026 to February 2027, then the market resolves to Yes.\n\n---\n\nThe percent decline equals 100 × (February 2026 enrollment − February 2027 enrollment) ÷ February 2026 enrollment, based on the exact figures reported under CMS’s nationwide “All” Marketplace category, or its equivalent aggregate combining HealthCare.gov and state-based Marketplaces, in CMS’s first official or non-preliminary release containing February 2027 data. Nationwide includes the 50 states and Washington, D.C.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.32,0.6799999999999999],"probability":0.32,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-07-14T00:00:00Z","end_date":"2027-09-29T14:00:00Z","closed_time":"2027-07-01T13:59:00Z","volume":134.46,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":6.270672798156738,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-07-25T12:23:37.760181Z","fetched_at":"2026-07-24T10:58:15.749019Z","added_at":"2026-07-14T00:16:08.993704Z","url":"https://kalshi.com/markets/kxacaenrollment/how-much-will-aca-marketplace-enrollment-decline-in-2027/kxacaenrollment-27feb28","event_title":"How much will ACA Marketplace enrollment decline in 2027?","chart_24h":[0.32,0.32]},{"source":"kalshi","id":"KXACAENROLLMENT-27FEB28-A25","event_id":"KXACAENROLLMENT-27FEB28","slug":"KXACAENROLLMENT-27FEB28-A25","question":"Will the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment be above 25 from February 2026 to February 2027?","group_item_title":"Above 25%","description":"If the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment is above 25% from February 2026 to February 2027, then the market resolves to Yes.\n\n---\n\nThe percent decline equals 100 × (February 2026 enrollment − February 2027 enrollment) ÷ February 2026 enrollment, based on the exact figures reported under CMS’s nationwide “All” Marketplace category, or its equivalent aggregate combining HealthCare.gov and state-based Marketplaces, in CMS’s first official or non-preliminary release containing February 2027 data. Nationwide includes the 50 states and Washington, D.C.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.18,0.8200000000000001],"probability":0.18,"spread":0.04999999999999999,"active":true,"closed":false,"start_date":"2026-07-14T00:00:00Z","end_date":"2027-09-29T14:00:00Z","closed_time":"2027-07-01T13:59:00Z","volume":50.02,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":4.024023056030273,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-07-25T15:11:53.145169Z","fetched_at":"2026-07-25T15:11:53.145169Z","added_at":"2026-07-14T00:16:08.993704Z","url":"https://kalshi.com/markets/kxacaenrollment/how-much-will-aca-marketplace-enrollment-decline-in-2027/kxacaenrollment-27feb28","event_title":"How much will ACA Marketplace enrollment decline in 2027?","chart_24h":[0.18,0.18,0.18,0.18]},{"source":"kalshi","id":"KXACAENROLLMENT-27FEB28-A30","event_id":"KXACAENROLLMENT-27FEB28","slug":"KXACAENROLLMENT-27FEB28-A30","question":"Will the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment be above 30 from February 2026 to February 2027?","group_item_title":"Above 30%","description":"If the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment is above 30% from February 2026 to February 2027, then the market resolves to Yes.\n\n---\n\nThe percent decline equals 100 × (February 2026 enrollment − February 2027 enrollment) ÷ February 2026 enrollment, based on the exact figures reported under CMS’s nationwide “All” Marketplace category, or its equivalent aggregate combining HealthCare.gov and state-based Marketplaces, in CMS’s first official or non-preliminary release containing February 2027 data. Nationwide includes the 50 states and Washington, D.C.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.11,0.89],"probability":0.11,"spread":0.04000000000000001,"active":true,"closed":false,"start_date":"2026-07-14T00:00:00Z","end_date":"2027-09-29T14:00:00Z","closed_time":"2027-07-01T13:59:00Z","volume":23.88,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":2.688403606414795,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-07-25T21:53:59.102101Z","fetched_at":"2026-07-24T21:21:19.919056Z","added_at":"2026-07-14T00:16:08.993704Z","url":"https://kalshi.com/markets/kxacaenrollment/how-much-will-aca-marketplace-enrollment-decline-in-2027/kxacaenrollment-27feb28","event_title":"How much will ACA Marketplace enrollment decline in 2027?","chart_24h":[0.11,0.11]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXACAENROLLMENT-27FEB28","as_of":"2026-07-25T22:57:16.210315Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"How much will ACA Marketplace enrollment decline in 2027?\" — top market at 95% probability across 6 outcomes","source_url":null}}