COBRA charges you 102% of the full premium — the same plan you had, now without your employer paying most of it. Losing that coverage also opens a 60-day window to enroll elsewhere, often for far less. Here's how to compare them properly, and the timing detail that gives you more room than most people realize.
Reviewed by Philip Smith, Licensed Insurance AgentNPN #22255420FL Lic. #G349232Updated July 2026
Quick Answer
You don't have to decide immediately — COBRA is retroactive
This is the detail that changes how the decision feels. You get at least 60 days to elect COBRA, and if you elect within that window and pay, coverage reaches back to the day your old plan ended. Your Special Enrollment Period for a marketplace plan runs on a similar 60-day clock. So the two windows overlap: you can spend that time comparing real numbers, and if something happens in the meantime, electing COBRA retroactively still covers it. What you should not do is let both windows close.
The honest trade-offs. Which one wins depends on your income now, your health, and whether you're mid-treatment.
| COBRA | ACA Marketplace | Private Plan | |
|---|---|---|---|
| What you pay | 102% of the full premium | Premium minus any subsidy | Full premium, often lower |
| Subsidy available | No | Yes, based on current income | No |
| Keeps your exact plan | Yes — same network, same deductible progress | No — new plan, deductible resets | No — new plan |
| Health questions | None | None — guaranteed issue | Usually underwritten |
| How long it lasts | Typically 18 months, up to 36 | As long as you keep paying | Varies by plan |
| Time limit to act | 60 days to elect, 45 to pay | 60-day Special Enrollment Period | None — enroll any time |
| Best when | Mid-treatment or deductible met | Income dropped after job loss | Healthy and above subsidy range |
Losing job-based coverage opens a Special Enrollment Period, and your subsidy is based on your income now — not what you earned while employed. For many people between jobs, that means a dramatically lower premium than COBRA.
Available any time with no enrollment window, often cheaper for healthy adults who earn above the subsidy threshold. These are usually medically underwritten, so health history affects price and approval.
If you're mid-treatment, have met your deductible for the year, or need to keep a specific specialist and network, continuing the exact plan you already have can be worth the higher premium. It's expensive, not wrong.
Electing COBRA by default can trap you for the year
Voluntarily dropping COBRA later does not open a Special Enrollment Period — you would generally have to wait for Open Enrollment to switch. Exhausting COBRA does qualify you. That asymmetry means the initial 60-day window is the moment your options are widest, and choosing COBRA simply because the paperwork arrived first can lock in a higher premium for months. Compare first, then elect.
It would be dishonest to tell you COBRA is always the wrong answer. If you're partway through treatment with a specific specialist, switching plans mid-course can disrupt care or push a provider out of network at the worst possible time.
And if you've already satisfied a large deductible or out-of-pocket maximum this year, a new plan resets that to zero. In a heavy-utilization year, paying COBRA's higher premium to preserve credit you've already earned can cost less overall than starting fresh.
You pay 102% of the full premium — the entire cost of the plan, including the portion your employer used to cover, plus up to a 2% administrative fee. This is why COBRA feels like such a jump: the coverage hasn't changed, but you're now absorbing the employer's share too. For many households that means a monthly cost several times what was coming out of their paycheck before.
Three main ones. An ACA marketplace plan is the most common alternative, and losing job-based coverage qualifies you for a Special Enrollment Period — importantly, your subsidy is calculated on your current income, which is often much lower than while you were employed. A private off-marketplace plan can be purchased any time and is frequently cheaper for healthy people above the subsidy range. And if your spouse has employer coverage, losing yours generally allows you to join their plan.
You have at least 60 days from the date of your COBRA election notice or the date your coverage would end, whichever is later. After electing, you get 45 days to make the first premium payment. Crucially, COBRA is retroactive — if you elect within the window and pay, coverage reaches back to the day your old plan ended. Your Special Enrollment Period for a marketplace plan is also generally 60 days, so the two windows overlap and you can compare before committing.
Not freely, and this catches people out. Voluntarily dropping COBRA mid-year does not create a Special Enrollment Period — you'd generally have to wait for Open Enrollment. Exhausting COBRA (reaching the end of your continuation period) does qualify you for a Special Enrollment Period. That asymmetry is exactly why it's worth comparing your options during the initial 60-day window rather than electing COBRA by default and reconsidering later.
Typically 18 months after job loss or a reduction in hours, though certain qualifying events — such as divorce, death of the covered employee, or a dependent aging off the plan — can extend continuation coverage up to 36 months. Certain disability determinations can also extend the standard 18-month period. When COBRA ends by running out rather than by your choice, that exhaustion qualifies you for a Special Enrollment Period on the marketplace.
Philip compares specific PPO, HMO, and EPO plans from 22+ carriers based on your doctors, budget, and ZIP code — in one free call.
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