COBRA and Marketplace coverage solve the same immediate problem—replacing coverage after a job change—but they work differently. The useful question is not “Which one is always better?” It is “Which one fits this household’s timing, providers, expected care, and total cost?”

COBRA keeps the employer plan temporarily

For eligible workers and family members, COBRA generally continues the existing group plan for a limited period. That may preserve the same network, benefits, and amounts already credited toward the plan-year deductible. The Department of Labor explains that the individual can be charged the full plan cost plus up to a 2% administrative charge.

Marketplace coverage starts a different individual plan

Loss of qualifying employer coverage can create a Marketplace Special Enrollment Period. Marketplace plans are ACA-regulated individual coverage. Eligibility for premium tax credits and other savings depends on projected annual tax-household income, access to other qualifying coverage, and additional rules. A new plan normally means a new network, formulary, deductible, and out-of-pocket accounting.

A side-by-side checklist

QuestionCOBRAMarketplace
Plan continuityUsually the same employer planA new individual-market plan
PremiumOften the full group-plan cost plus an allowed feeVaries by plan; eligible households may qualify for savings
ProvidersExisting network generally continuesVerify every provider and facility
DeductibleCurrent plan-year progress may continueUsually starts under the new plan
DurationTemporary and event-dependentAnnual individual coverage, subject to eligibility and renewal rules

Timing mistakes to avoid

Do not assume that dropping COBRA whenever you choose will open a Marketplace enrollment window. HealthCare.gov distinguishes exhausting COBRA or losing an employer contribution from simply ending COBRA early. Confirm the rule that applies before terminating existing coverage. Also account for the first premium payment required to activate a new plan.

When continuity may carry extra value

Someone in active treatment, near an out-of-pocket maximum, or using specialists in a narrow network may value continuing the employer plan. A household with low expected use or eligibility for Marketplace savings may reach a different conclusion. Calculate expected total annual spending—not premium alone.

Official references: Department of Labor employee COBRA guide · HealthCare.gov coverage-loss options · HealthCare.gov total-cost guidance