CMS has noted that it is important for enrollees to maintain continuous health insurance coverage to ensure the stability of the FFE. Certain rules allow for enrollment flexibilities—such as special enrollment periods and a 3-month grace period that is allowed before coverage is terminated for recipients of federal income-based subsidies who default on their premiums. However, some issuers have stated that these rules could be misused, resulting in non-continuous coverage. There are little data on the extent to which enrollees maintain continuous coverage during a year and, more specifically, on the extent to which coverage is terminated for nonpayment of premiums...