Open enrollment for Affordable Care Act 2018 ends tonight by admin | Dec 16, 2017 Tonight is the last night to purchase a health insurance plan under the Affordable Care Act. Open enrollment began Nov. 1 and ends at 11:59 p.m. PST on Friday, Dec. 15. Powered by WPeMatico Share this:Tweet Related Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.