Thomas Risk Solutions · Insurance, in plain English

What Happens to Your Health Insurance When You Leave a Job? COBRA vs. Marketplace vs. Short-Term

Editorial illustration of a person at a fork in a path leading toward three different doorways, representing the choice between COBRA, Marketplace, and short-term health coverage after leaving a job

If you’re leaving a job — whether you’re moving on, got laid off, or your hours changed — your health coverage doesn’t just quietly continue. Your most common paths are: continue your old employer plan through COBRA, move to a Marketplace plan, or bridge the gap with a short-term plan. They aren’t the only ones — a spouse’s or partner’s employer plan may be able to add you, and when you apply through healthcare.gov you’re screened for Medicaid and CHIP eligibility at the same time, which is worth knowing if your income has just dropped. Here’s the honest comparison, because the choice usually comes down to cost and timing more than anything else.

Key takeaways
  • COBRA lets you keep your exact employer plan, but you generally pay the full premium plus up to a 2% fee — the employer's share disappears.
  • Losing job-based coverage generally opens a Special Enrollment Period for a Marketplace plan — but the timing and proof required depend on your specific situation, so confirm it directly on healthcare.gov.
  • A short-term plan can bridge a brief, defined gap for a healthy applicant, but it's medically underwritten and typically excludes pre-existing conditions.
  • None of these is automatically the "right" one — the best fit depends on your health needs, your budget, and how long the gap actually is.

Why this decision lands on you, fast

Group coverage through an employer doesn’t just extend itself. Once your job ends (or your hours drop enough to lose eligibility), your coverage generally ends on a specific date tied to your plan’s rules — and the options that replace it each run on their own clock. I see this play out with clients constantly: someone’s focused on the job transition itself, and the health coverage decision gets made in a rush a few weeks later, usually at a worse price than if they’d compared options up front.

Option 1: COBRA — keeping the plan you already have

COBRA lets you continue your exact employer group health plan after certain qualifying events, including termination of employment or a reduction in hours. Federal COBRA generally applies to employers with 20 or more employees. For some smaller, fully insured North Carolina groups, state continuation coverage may still be available, so ask the plan administrator rather than assuming there is no continuation option.

The trade-off is cost. Your former employer can require you to pay the full cost of the coverage — your old share plus the part your employer used to cover — plus up to a 2% administrative fee. That’s often a real jump from your old paycheck deduction, because the subsidy that made group coverage affordable is gone.

On timing: you generally must be given an election period of at least 60 days to decide, starting from the later of the date you receive the election notice or the date your coverage would otherwise end. If you elect it and pay on time, coverage for a job-loss or reduced-hours qualifying event generally lasts up to 18 months.

Before you elect COBRA, know this: once you're on it, voluntarily dropping COBRA partway through generally does NOT open a Marketplace Special Enrollment Period — but letting it run out at the end of its term does. That catches people who elect COBRA planning to switch to a cheaper Marketplace plan in a few months, and then find they have to wait for Open Enrollment. Compare both before you elect, not after.
Richard's tip: COBRA is worth pricing before you dismiss it, especially if you're mid-treatment with a specialist or partway through a plan year's deductible — keeping the exact same plan and network can be worth the higher premium for a defined stretch. But don't let the 60-day window lull you into waiting; price your other options at the same time so you're comparing real numbers, not guesses.

Option 2: A Marketplace plan through healthcare.gov

Losing job-based coverage is generally a qualifying life event that opens a Special Enrollment Period (SEP) to enroll in a Marketplace health plan outside the annual Open Enrollment window. The exact enrollment window and any documentation you’ll need to confirm the qualifying event depend on your specific situation — healthcare.gov is the place to confirm the current rules for your case rather than relying on a generic timeline.

Unlike COBRA, a Marketplace plan is a new policy, not a continuation of your old one — different insurer, potentially a different network, its own deductible starting fresh. The upside: depending on your income, you may qualify for a premium tax credit that lowers your monthly cost, which isn’t available through COBRA. For a lot of people between jobs, that credit is what makes a Marketplace plan the more affordable option even though the sticker premium may look similar to COBRA at first glance.

Option 3: A short-term plan, for a brief and known gap

If your gap is short and you know exactly when it ends — say, a new employer’s plan starts in six weeks — a short-term plan can be worth a look. The premium varies with age, health, the benefits chosen, the deductible, and how long the coverage runs, and it can start quickly — but it’s medically underwritten (an insurer can decline you or exclude a condition based on your health history) and generally doesn’t have to cover the ACA’s essential health benefits, so maternity care, mental health treatment, and prescription drugs are often limited or excluded. In North Carolina, a short-term plan’s initial period must be less than three months, and its total duration — including any renewal — can’t exceed four months.

Comparing the three

COBRA Marketplace plan Short-term plan
What it is Continuing your exact employer plan A new individual/family plan A temporary, limited plan
Who pays the premium You — full cost plus up to 2% fee You, possibly reduced by a tax credit You — premium varies by age, health, benefits, deductible, and coverage length; may be lower, but compare coverage and out-of-pocket risk
Pre-existing conditions Covered — same plan as before Covered — guaranteed issue Typically excluded; can be denied
Enrollment window Generally at least 60 days to elect An SEP triggered by the job loss — confirm timing on healthcare.gov Generally available anytime
Typical duration Up to 18 months for job loss/reduced hours Ongoing, renews annually Capped in NC — under 3 months initial, 4 months total
How long each option can last Marketplace ongoing — renews annually COBRA up to 18 months Short-term (NC) 4 months total 0 6 mo 12 mo 18 mo Durations only — this says nothing about what any of them costs.
Duration is the one thing here with firm numbers: COBRA runs up to 18 months for a job loss or reduced hours, a North Carolina short-term plan is capped at four months in total, and a Marketplace plan simply continues and renews annually. Cost is the harder comparison, and it depends on your plan and income.

The question underneath the decision

I hear a version of this every time someone changes jobs: they assume COBRA is the “default” simply because it’s the option their old employer’s HR department mentions first. Sometimes it is the right call — but sometimes a Marketplace plan with a tax credit costs less for comparable coverage, and a short-term plan may be an option for a brief, defined gap after comparing Marketplace coverage — though its exclusions are substantial enough that it should be the compared choice, not the assumed one. Worth answering before you pick: does anyone in your household have an active treatment plan where keeping the same network actually matters, what would your Marketplace premium look like after a tax credit, and do you actually know when the gap ends?

Richard's tip: if you're near 65, this is the costliest place to guess. COBRA does not count as current-employment coverage for Medicare purposes. Someone delaying Part B generally has up to eight months after the employment or the qualifying employer coverage ends — whichever happens first — and taking COBRA does not extend that clock. Electing COBRA and assuming it protects your Part B window is how people end up with a late-enrollment penalty that follows them for life. Medicare enrollment timing has its own rules; raise it in the same conversation.

Where this leaves you

None of these three options is a universal right answer — it depends on your health situation, your budget, and how long the gap actually is. What tends to go wrong is picking on autopilot, either accepting COBRA without pricing anything else or letting the Marketplace SEP window pass because job-hunting took priority.

If you’ve recently left a job — or you’re planning to — and want to actually compare what COBRA, a Marketplace plan, and a short-term plan would look like for your household, that’s exactly the conversation I have with clients all the time. I work with multiple carriers across North Carolina and the other states I’m licensed in, so I can walk through real numbers with you rather than a generic comparison. Book a call and we’ll sort out which path actually fits.

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