With ACA marketplace premiums projected to rise sharply in 2026, a lot of Americans are opening their renewal notices and doing a double take.
For some households, the jump is hundreds of dollars a month, enough to send people hunting for anything cheaper.
That search is pushing short-term health insurance plans back onto kitchen tables and into group chats.
These policies were once treated as a stopgap lasting a few months.
Federal rules stretched the maximum term to just under 12 months, and they can often be renewed for up to three years in many states.
In practice, the fine print does a lot of quiet work.
The appeal is obvious: lower monthly premiums.
A healthy 40-year-old might see quotes that look dramatically cheaper than a marketplace plan.
Short-term plans generally don't have to cover prescription drugs, maternity care, mental health treatment, or pre-existing conditions.
Insurers can also dig into your medical history and reject you outright or charge more.
That last point matters more than most shoppers realize.
Under the Affordable Care Act, marketplace plans must accept everyone and can't charge more because of a past diagnosis.
If you had a knee replacement, take a maintenance medication, or once saw a specialist for anxiety, your application could be declined or your condition excluded from coverage.
These plans typically renew by re-underwriting you, meaning the insurer reviews your health again before extending coverage.
Get diagnosed with something expensive during the term, and your renewal may simply vanish.
Because short-term plans skip essential benefits, a single hospital stay or surprise diagnosis can wipe out whatever you saved on premiums.
Out-of-pocket caps can be high, and some plans exclude entire categories of care.
The monthly savings can disappear in one emergency room visit.
Consumer advocates and state regulators have taken notice.
Several states restrict or ban short-term plans outright, and others cap how long they can last.
If you're considering one, check your state's rules first, because the product you're quoted may not be legal where you live.
Open Enrollment for ACA coverage runs through January 15 in most states, and losing a job or moving can trigger a special enrollment window.
A short-term plan is sometimes used to bridge a genuine gap of a few weeks, not as a permanent substitute.
Treating it like year-round coverage is where people get hurt.
If you're staring at a painful renewal, the smarter first move is checking whether you qualify for subsidies.
Enhanced premium tax credits have helped millions lower their marketplace costs, and many people who assume they earn too much are surprised.
A licensed navigator or the healthcare.gov calculator can answer that in minutes, free of charge. **The bottom line:** short-term plans can plug a real hole for a short window, but they are not a cheaper version of real insurance.
Read the exclusions, confirm your state allows the term being offered, and never assume the low premium means the same protection.
Final Thoughts
The cheapest plan is only cheap until you actually need it.