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Health Insurance Marketplace: what it means

The Health Insurance Marketplace is a service that helps you shop for and enroll in health insurance. The federal government runs it at HealthCare.gov for most states, and some states run their own Marketplace.

In Spanish it is

Mercado de Seguros Médicos (Health Insurance Marketplace)

Also written as: Marketplace · exchange · HealthCare.gov

The full explanation

It offers help online, by phone and in person. On the application you give your income and household information, and it tells you whether you qualify for premium tax credits and other savings, or for Medicaid or CHIP. Outside Open Enrollment, you can only enroll if a life change, such as losing job-based coverage, gives you a Special Enrollment Period.

An example

When Diego loses his job-based coverage, he goes to HealthCare.gov, enters his family's income and sees that he can get a tax credit to pay less for his premium.

You will see it in…

  • HealthCare.gov or your state's Marketplace website
  • The health coverage application with your income and household
  • Notices about Open Enrollment and Special Enrollment Periods
A man leans over the armchair to help a teenage girl with her book.

Still confused by a paper?

A HUD-approved housing counselor can walk you through it. Agencies usually charge little or nothing, many work in Spanish, and they do not sell you anything.

Official sources

We sum up what these official sources say, in plain words. We add no rules they do not state; when a rule changes, the definition and its date change.

  1. 1. HealthCare.gov · Health Insurance Marketplace (glossary) (external site) · in English · Verified on October 17, 2026
  2. 2. HealthCare.gov · Health coverage options if you're unemployed (external site) · in English · Verified on October 17, 2026
  3. 3. HealthCare.gov · Getting health coverage outside Open Enrollment (Special Enrollment Periods) (external site) · in English · Verified on October 17, 2026