{"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":1152.72,"volume_24hr":3.0,"volume_24h_change":null,"normalized_vol_24hr":0.6356609463691711,"normalized_volume":13.514162063598633,"liquidity":null,"open_interest":437.21,"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":"2026-09-09T03:52:34.237144Z","fetched_at":"2026-09-09T03:52:34.237144Z","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,"kind":"live","markets":[{"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":[0.65,0.35],"probability":0.65,"spread":0.050000000000000044,"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":232.26,"volume_24hr":3.0,"prob_24h_change":0.08000000000000007,"volume_24h_change":3.0,"normalized_vol_24hr":0.6700040102005005,"normalized_volume":9.253703117370605,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-09-09T03:52:34.361329Z","fetched_at":"2026-09-09T03:52:34.361329Z","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":[0.57,0.57,0.65]},{"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. Nationwide includes the 50 states and Washington, D.C.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.95,0.050000000000000044],"probability":0.95,"spread":0.040000000000000036,"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":18.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":2.698885679244995,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-09-08T09:00:20.490452Z","fetched_at":"2026-09-08T09:00:20.490452Z","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":[0.95,0.95]},{"source":"kalshi","id":"KXACAENROLLMENT-27FEB28-A10","event_id":"KXACAENROLLMENT-27FEB28","slug":"KXACAENROLLMENT-27FEB28-A10","question":"Will the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment be above 10 from February 2026 to February 2027?","group_item_title":"Above 10%","description":"If the percent decline in CMS-reported nationwide ACA Marketplace effectuated enrollment is above 10% 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":[0.89,0.10999999999999999],"probability":0.89,"spread":0.050000000000000044,"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":540.02,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":12.329851150512695,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-09-08T09:00:20.490452Z","fetched_at":"2026-09-08T09:00:20.490452Z","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":[0.89,0.89]},{"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":[0.29,0.71],"probability":0.29,"spread":0.06,"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":288.54,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":10.001935005187988,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-09-04T19:16:53.067098Z","fetched_at":"2026-09-04T19:16:53.067098Z","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":null},{"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":0.03,"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":4.8134284019470215,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-09-08T09:00:20.490452Z","fetched_at":"2026-09-08T09:00:20.490452Z","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]},{"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":0.06,"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":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":3.2157959938049316,"liquidity":null,"categories":["Politics"],"countries":["United States"],"updated_at":"2026-09-04T06:50:56.563296Z","fetched_at":"2026-09-04T06:50:56.563296Z","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":null}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXACAENROLLMENT-27FEB28","as_of":"2026-09-09T05:59:39.495447Z","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 65% probability across 6 outcomes","source_url":null}}