Metal tiers and network types
Bronze, Silver, Gold, and Platinum describe how you and the plan split covered costs. HMO, PPO, EPO, and POS describe which doctors you can use. Both matter, for different reasons.
Marketplace coverage
What every marketplace plan has to cover, how the metal tiers differ, and whether a premium tax credit could lower what you pay each month.

Open Enrollment: November 1 to January 15Those are the dates in most states. Several states run their own marketplace with a later deadline. Outside the window you need a qualifying life event, and Medicaid and CHIP accept applications all year.
Start here
Most of the confusion comes from two separate systems being described at once: what a plan covers, and what you pay for it.
Bronze, Silver, Gold, and Platinum describe how you and the plan split covered costs. HMO, PPO, EPO, and POS describe which doctors you can use. Both matter, for different reasons.
Marketplace savings come in two forms: a credit that lowers your monthly premium, and Silver-only reductions that lower your deductible and copays if your income qualifies.
Open Enrollment runs November 1 through January 15 in most states. Outside that window you need a qualifying life event, and you generally have 60 days to use it.
Household, income, plan choice, and a first premium payment. Knowing what is asked before you start is most of what makes it quick.
What you are guaranteed

Dates that matter
Good to know
Your area
Enter your ZIP code to compare plans and any savings you qualify for. No cost, and no obligation to enroll.