Heather Sprague By Heather Sprague, licensed Agent of Record (NPN 19086819)·Updated October 19, 2026·8 min read

If you miss Open Enrollment, short-term health insurance after Open Enrollment can cover you until your next chance to buy an ACA plan. You can apply any time of year in approved states, and coverage can start as soon as the next day. First, though, check whether you qualify for a Special Enrollment Period, because an ACA plan covers more. If you don't qualify, a short-term plan can bridge you to the next Open Enrollment.

Key takeaways
  • For 2027 coverage, HealthCare.gov Open Enrollment runs November 1, 2026 through January 15, 2027.
  • After it closes, you need a qualifying life event to buy an ACA plan, such as losing coverage, moving or having a baby.
  • Short-term plans don't need Open Enrollment or a life event, and can start the next day.
  • Short-term plans exclude pre-existing conditions, and losing one later doesn't open an ACA enrollment window.

Open Enrollment Dates to Know

Timeline showing Open Enrollment dates and how short-term health insurance bridges coverage until the next Open Enrollment
HealthCare.gov dates. States that run their own exchange may use different dates.
DateWhat happens
November 1, 2026Open Enrollment opens for 2027 coverage
December 15, 2026Last day to enroll for coverage that starts January 1
January 15, 2027Open Enrollment ends; coverage starts February 1
After January 15ACA plans need a Special Enrollment Period

Still within the window? Use our Open Enrollment guide to compare plans before the deadline.

Check for a Special Enrollment Period First

An ACA plan covers pre-existing conditions and may come with subsidies. So before you buy short-term coverage, check whether a recent life event opened a Special Enrollment Period. Common ones include:

  • Losing job-based or other health coverage
  • Moving to a new ZIP code or county
  • Getting married, having a baby or adopting a child
  • A drop in household income that makes you eligible for savings

Most give you 60 days to enroll. Our guide to buying health insurance after Open Enrollment lists every qualifying event.

How Short-Term Coverage Bridges the Gap

If you don't qualify for special enrollment, short-term health insurance can protect you from big medical bills until you can enroll in an ACA plan. You apply any time of year, and there's no enrollment window.

  • Fast start. Coverage can begin as soon as the next day.
  • Real medical coverage. Plans cover doctor visits, emergencies, hospital stays and labs, and many include prescriptions.
  • Your choice of length. Terms run from one month to just under a year, depending on your state.

Keep the limits in mind, too. Short-term plans are medically underwritten and exclude pre-existing conditions. Read what short-term health insurance covers and our main short-term health insurance guide.

Missed the deadline? You still have options.

A licensed Vivna agent can check for a Special Enrollment Period first, then quote short-term coverage that starts as soon as tomorrow.

Time Your Plan to the Next Open Enrollment

Here's the catch most people miss: when a short-term plan ends, that does not open a Special Enrollment Period. So if your plan runs out in July, you could be stuck without coverage until the next Open Enrollment.

Instead, pick a term that lasts until at least December 31 of the coming year. Then enroll in an ACA plan during the next Open Enrollment for coverage that starts January 1. Our guide to how long you can have short-term health insurance explains term limits.

Licensed agent tip

Put a reminder on your calendar for November 1. That's when you can line up next year's ACA plan, so your short-term plan can end on December 31 with no gap.

Who This Works Best For

SituationGood fit for short-term?
Healthy and missed the deadlineYes
Waiting for job coverage that starts in a few monthsYes
Self-employed or a gig worker with no life eventOften, yes
Ongoing condition or regular prescriptionsUsually not; look for a Special Enrollment Period
Pregnant or planning a pregnancyNo; short-term plans exclude maternity care

Need coverage for longer? UnitedHealthcare's TriTerm Medical lasts about three years on one application. Compare it in our tri-term vs. short-term guide. Gig workers can also see our gig worker health coverage guide.

Missed the Deadline? Your Step-by-Step Checklist

  1. Check your state's dates. States that run their own exchange may still be open.
  2. Look for a qualifying life event in the last 60 days, such as losing coverage or moving.
  3. Check Medicaid. You can apply for Medicaid or CHIP any time of year if your income qualifies.
  4. If none apply, quote short-term coverage that lasts through December 31.
  5. Set a reminder for November 1 to choose next year's ACA plan.

Low income and not sure about Medicaid? See our guide to low-income health coverage.

Short-Term Health Insurance After Open Enrollment: FAQs

Can I get health insurance after Open Enrollment ends?

Yes. You can buy an ACA plan with a qualifying life event, or a short-term plan any time in approved states.

How fast can short-term coverage start?

As soon as the next day after you're approved.

Will short-term coverage count as health insurance for taxes?

There's no federal penalty for not having ACA coverage. A few states have their own rules, so check yours.

Can I switch from short-term to an ACA plan later?

Yes, during the next Open Enrollment or if you have a qualifying life event. Losing short-term coverage itself doesn't count.

Does short-term insurance cover my current conditions?

No. See short-term health insurance and pre-existing conditions.

Get covered today, then plan for next year.

We'll set up your bridge coverage and remind you when Open Enrollment opens. Call Monday through Friday, 9am to 6pm.

Sources

Short-term health insurance is not comprehensive coverage and is not required to meet ACA requirements. It is not minimum essential coverage and may exclude pre-existing conditions. Short-term plans are available only in approved states. Vivna Insurance is a licensed, independent agency (NPN 19168641). We are not affiliated with HealthCare.gov or any government agency.

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