If I buy a plan during open enrollment, when does my coverage start?

Individuals with no coverage | Open and Special Enrollment Periods

Open enrollment is from November 1 to December 15 2018, and make your first premium payment by the due date specified by your plan, your new coverage will start on January 1, 2019. (45 C.F.R. § 155.410; 82 Fed. Reg. 18346, April 18, 2017.

Individuals with no coverage
Individuals with coverage
Coverage for small employers
Post enrollment issues