Guide
When can you actually buy a health plan?
You can't buy an individual Marketplace plan on any random Tuesday. There are two doors in: the fall Open Enrollment window everyone shares, and a Special Enrollment Period that a life event opens just for you.
Open Enrollment: the annual window
Once a year, in the fall, anyone can enroll in or change a Marketplace plan for the coming year — no reason required. This is the main door, and it's the same window for everyone. Miss it without a qualifying event and you generally wait until the next one. The exact dates are set each year; confirm them onHealthCare.govor your state marketplace, some of which run longer windows.
Special Enrollment: the life-event door
Outside Open Enrollment, a qualifying life event opens a Special Enrollment Period — usually 60 days from the event to pick a plan. The common triggers:
- •Losing other coverage — a job loss, aging off a parent's plan at 26, or losing Medicaid or CHIP.
- •A household change — marriage, divorce, a new baby, or adoption.
- •A move to a new ZIP or county with different plans available.
- •Certain income changes that affect your eligibility for savings.
The 60-day clock catches people out
The mistake that costs people coverage isn't the event — it's the clock. The Special Enrollment window is short, and for a planned loss of coverage you can often enroll up to 60 days before it happens, avoiding a gap. Losing job coverage? Don't default to COBRA without checking — a Marketplace plan with a premium tax credit is frequently much cheaper, but only if you act inside the window.
Exact Open Enrollment dates, SEP rules, and required documentation are set each year and vary by state. Confirm current specifics on HealthCare.gov or your state marketplace.
In a window now? Build the comparison brief
If you can enroll, define the care pattern and bad-year financial constraint before opening live plan cards. The brief creates a comparison order and plan-document checklist. No name, email, or phone is required.
Common questions
Can I buy a Marketplace plan any time of year?
No. Individual Marketplace plans are only sold during the fall Open Enrollment Period, or during a Special Enrollment Period triggered by a qualifying life event. Outside those windows you generally can't enroll — which is why missing Open Enrollment without a qualifying event can leave you uninsured until the next one. Source: HealthCare.gov.
What counts as a qualifying life event?
Common ones: losing other coverage (a job loss, aging off a parent's plan at 26, losing Medicaid), moving to a new area with different plans, getting married, having or adopting a child, and certain income or household changes. You usually have 60 days from the event to enroll — and sometimes up to 60 days before a planned loss of coverage. Source: HealthCare.gov.
I lost my job — how long do I have?
Losing job-based coverage is a qualifying event, and you generally have 60 days from the loss to pick a Marketplace plan. You may also have a COBRA option, but a Marketplace plan with a premium tax credit is often far cheaper — compare both before the clock runs out. Source: HealthCare.gov.
Source: HealthCare.gov (Open Enrollment, Special Enrollment Periods, qualifying life events). Dates and rules are set annually and vary by state — confirm current specifics on HealthCare.gov or your state marketplace. General information, not legal or financial advice. Published January 2026 · Last reviewed: 2026.