Losing job-based health insurance creates an urgent financial choice. Should you keep your current plan through COBRA, or move to an ACA Marketplace plan?
For many households, the Marketplace is the lower-cost option. That is largely because COBRA usually requires you to pay the full premium yourself, plus an administrative fee, while Marketplace plans may qualify for premium tax credits and cost-sharing reductions. Still, lower monthly premiums do not automatically make one option the better fit. Provider networks, deductibles already paid, prescription coverage, and timing can change the picture.
How COBRA insurance costs are calculated
COBRA lets you continue the same employer health plan after a qualifying event, including job loss in many cases. The big change is not usually the benefits. The big change is who pays.
Under COBRA, you are generally responsible for the entire cost of the plan, including the share your employer used to pay, plus up to a 2 percent administrative fee. That means your premium can be as high as 102 percent of the plan’s total cost. If you qualify for an 11-month disability extension, the plan may charge up to 150 percent of the total cost during that added period.
This is why COBRA often feels surprisingly expensive. Many workers only saw their payroll deduction before leaving a job, not the full monthly premium behind the scenes. Once the employer contribution disappears, the price can jump sharply.
That higher bill does come with some continuity:
- same plan design
- same provider network
- same prescription formulary
- same deductible and out-of-pocket structure
- no need to switch cards or learn a new system
For someone in active treatment, that continuity can matter a great deal. It just comes at a price that is often hard to ignore.
How Marketplace plan pricing and subsidies work
Marketplace plans work differently. Premiums are based on a limited set of factors, including your location, age, tobacco use, plan category, and whether the plan covers dependents. Insurers cannot use your health status, medical history, or sex to set Marketplace premiums.
That pricing structure creates a cleaner comparison. If you lose job-based coverage, you can submit one Marketplace application and learn whether you qualify for savings or Medicaid. Many people do, especially after a drop in household income tied to job loss.
The Marketplace also offers plan categories that balance premium and out-of-pocket costs in different ways. Bronze plans usually have lower monthly premiums and higher out-of-pocket costs. Silver, Gold, and Platinum plans generally move upward in premium and downward in cost-sharing. All Marketplace plans must cover essential health benefits, but the way costs are split can vary a lot from one metal tier to another.
The savings that matter most are usually these:
- Premium tax credit: Lowers the monthly cost of a qualified health plan bought through the Marketplace
- Advance payments of the premium tax credit: Can be sent directly to the insurer so your monthly bill is lower right away
- Cost-sharing reductions: Lower deductibles, copays, and other out-of-pocket costs for eligible enrollees who choose a Silver plan
That is the key cost difference in plain English. COBRA usually asks you to pay the full freight. The Marketplace may reduce both your premium and your out-of-pocket exposure if you qualify.
COBRA vs Marketplace cost comparison table
A side-by-side view makes the tradeoffs easier to spot.
| Cost factor | COBRA | Marketplace |
|---|---|---|
| Monthly premium | Usually the full plan cost plus up to 2% admin fee | Varies by plan, age, location, tobacco use, plan category, and dependents |
| Subsidy access | No premium tax credit for COBRA premiums | Premium tax credits may reduce monthly cost |
| Extra out-of-pocket help | None tied to COBRA itself | Cost-sharing reductions may be available with eligible Silver plans |
| Plan continuity | Keeps the same employer plan | Usually requires choosing a new plan |
| Provider network | Same as your prior employer coverage | Depends on the plan you select |
| Pricing based on health | Not newly underwritten because it is continuation coverage | Health and medical history cannot affect premiums |
| Typical cost outcome | Often higher monthly cost | Often lower monthly cost for eligible people |
The table points to a pattern seen across many households: COBRA tends to win on continuity, and the Marketplace tends to win on affordability.
When Marketplace health insurance usually costs less
Marketplace coverage often costs less when a person loses employer coverage and no longer has access to an affordable job-based plan. That is because premium tax credits can reduce monthly premiums substantially.
CMS has projected that for 2026, eligible HealthCare.gov enrollees will pay an average of about $50 per month for the lowest-cost plan after tax credits, with tax credits covering about 91 percent of the premium for that lowest-cost option on average. Those are broad national figures, not a promise for every shopper, but they show how powerful subsidies can be.
A person leaving a job may compare a COBRA offer of several hundred dollars per month against a subsidized Marketplace plan that costs a fraction of that amount. For families, the gap can be even larger if the former employer had been paying a meaningful share of dependent coverage.
Still, premium is only one part of the math. A Bronze plan may look inexpensive each month but leave you with more out-of-pocket risk later. A Gold plan may cost more each month but reduce exposure if you expect frequent care.
Before you decide, compare these three numbers:
- Your monthly premium
- Your expected annual deductible and out-of-pocket maximum
- Your likely spending on doctors, prescriptions, and ongoing treatment
That short exercise often changes the answer. A plan that looks cheaper at first glance may not be the better value over the rest of the year.
When COBRA can still be worth the premium
COBRA can make sense when continuity has immediate financial value. If you are in the middle of surgery follow-up, cancer care, pregnancy care, or a tightly managed prescription regimen, keeping the same plan may avoid network disruptions and treatment delays.
It can also be attractive if you have already paid a large part of your deductible or out-of-pocket maximum under the employer plan. Since COBRA continues that same coverage, those amounts generally stay in place. Moving to a new Marketplace plan may mean starting over with a fresh deductible.
Higher premium does not always mean higher overall cost.
There is also a timing benefit. COBRA can feel simpler because it preserves a familiar setup. You know the doctors, the claims process, and the drug list. When life is already in transition, that stability can be worth paying for, at least for a short period.
A smart comparison is not just “Which monthly premium is lower?” It is also “Which option creates the least disruption and the most predictable spending over the next 6 to 12 months?”
2026 Marketplace subsidy rules and the 9.96% affordability test
One rule deserves close attention because it affects subsidy eligibility. For 2026, job-based coverage that costs less than 9.96 percent of household income can block Marketplace premium subsidies for some people.
That affordability test matters most when someone in the household still has access to an employer plan, often through their own current job or a family member’s job. If that available employer coverage is considered affordable under the rule, Marketplace premium tax credits may not be available.
If you truly lose job-based coverage and no other affordable employer coverage is available, the Marketplace may open the door to savings. That is why it is so important to complete an application rather than guessing. A single Marketplace application can show whether you qualify for premium tax credits, cost-sharing reductions, or Medicaid.
This is also where COBRA and Marketplace rules often get confused. COBRA is continuation of employer-sponsored coverage. Marketplace subsidies apply to qualified health plans purchased through the Marketplace. The two options sit in different pricing systems, and that is exactly why cost differences can be so large.
Steps to compare COBRA and Marketplace plans after job loss
The fastest way to make a sound decision is to line up the real numbers, not rough estimates. Start with the COBRA election notice and your Marketplace application side by side.
Look first at the total monthly premium, then at the deductible, out-of-pocket maximum, provider network, and drug coverage. If your doctors or medications are central to your care, check them before focusing on premium alone.
A practical comparison usually includes these questions:
- Monthly cost: What will you actually pay each month after any Marketplace subsidy is applied?
- Care usage: Do you expect low use, moderate use, or heavy use over the next year?
- Doctor access: Are your current physicians and hospitals in network?
- Prescription coverage: Are your medications covered at a workable copay level?
- Deductible status: Have you already paid enough under your current employer plan that staying on COBRA could save money later?
- Household eligibility: Does anyone in the household still have access to affordable job-based coverage that could affect subsidy access?
There is also a timing issue to respect. Losing job-based coverage generally creates a special enrollment opportunity for Marketplace coverage, and COBRA election timelines have their own deadlines. Waiting too long can narrow your choices.
For many people, the clearest move is to price a subsidized Marketplace Silver plan against the full COBRA premium, then check whether a Bronze plan or Gold plan fits their expected care better. That method keeps the comparison grounded in actual use, not just sticker price.
If the numbers are close, continuity may tip the scale toward COBRA. If the gap is large, the Marketplace often becomes the more practical answer very quickly. The good news is that this comparison can be done with more confidence than many people expect, because the rules around premiums, subsidies, and plan categories are structured to make the tradeoffs visible.