Data as of October 29, 2026 · Florida · 11 min read
Most rules in health insurance taper. You earn a little more, you get a little less help. This one does not taper. It is a cliff, and it has an edge you can stand one dollar on the wrong side of.
For 2027 coverage, that edge is back. If your household income lands above a certain multiple of the federal poverty line, your premium tax credit does not shrink. It goes to zero.
The temporary rule that removed the cap for a few years no longer applies, so the original Affordable Care Act formula governs 2027. That makes your income estimate the single most consequential number on your application — more than the plan you pick, more than the metal level, more than the carrier.
What the rule actually says
The IRS states the eligibility range plainly. Household income must be «at least 100 percent and, for years other than 2021 and 2022, no more than 400 percent» of the federal poverty line for your family size. There are two narrow exceptions below 100 percent.
And here is the sentence that costs people money. For tax years other than 2021 and 2022, if your household income ends up above 400 percent of the poverty line, you are not eligible for the credit — and you must repay all advance credit payments you received during the year.
Read that twice. It is not just that the help stops. Help you already received, month by month, applied directly to your premium, becomes a debt you settle at tax time.
The cap was lifted once, temporarily. The IRS describes it: the American Rescue Plan Act «temporarily expanded eligibility» by «eliminating the rule that a taxpayer with household income above 400% of the federal poverty line cannot qualify». That expansion was for a limited period and is not in force for 2027. Proposals to extend it have been debated and none has become law as of this writing, so the original rule is what your 2027 application runs on.
Why I am not going to print the dollar figure
You will find plenty of articles that give you one number. I am not going to, and the reason matters.
The threshold is not a single figure. It is 400 percent of the federal poverty line for your family size, taken from the poverty guidelines that apply to your coverage year. A household of one and a household of five are nowhere near the same number, and the guidelines are republished. A figure typed into a blog post in October is exactly the kind of thing that goes stale and misleads somebody in February.
So what I do instead, in every consultation, is take your household size, pull the guidelines that apply to your coverage year, and work out where your estimate actually sits. That is a two-minute calculation with the right table in front of us, and a guess without it.
What you can do today, before any of that: know whether you are near the edge. People comfortably below it have a different job this open enrollment than people hovering within a few thousand dollars of it.
The people this catches
In Florida, the households that get hurt by this are rarely the ones you would picture. They are:
- The self-employed — contractors, rideshare drivers, hospitality workers, anyone whose December is better or worse than their March. Estimating a year in advance is genuinely hard when the work is variable.
- Early retirees under 65 who control their own income, and who may take a capital gain or a retirement distribution without realising it counts.
- Two-earner households where one person picks up overtime, a second job, or a bonus late in the year.
- Anyone who got a raise in October and did not think to update their Marketplace application.
The pattern is the same in every case: the credit was correct based on what they told the Marketplace in November, and their actual year turned out different.
The move almost nobody makes
You are allowed to update your income estimate during the year. Most people never do, because nothing forces them to and the application feels finished once coverage starts.
But if you can see in September that your year is landing higher than you told them, updating the estimate reduces the advance payments for the rest of the year — which reduces what you owe back. It is not a loophole. It is the system working as designed, used by the small number of people who know they can.
The same goes the other way. If your income drops — hours cut, a contract ends — updating the estimate can increase your help immediately rather than making you wait for a refund a year later. We go through how to build an estimate you can defend in estimating your 2027 income.
How the cliff interacts with everything else
Two things are worth knowing because they change the shape of the decision.
Your credit is pegged to a benchmark, not to your plan. CMS defines it as «the second-lowest priced Marketplace health insurance plan in the Silver category that applies to you», and says you need that plan’s premium to work out your final credit. So when carriers enter or leave your area — and several are changing in Florida for 2027 — the yardstick can move even if your income does not.
Cost-sharing reductions are a separate question. Those extra savings lower your deductible and copays rather than your monthly bill, and CMS says they «apply only to Silver plans». They run off the same income estimate but a different range, which is why some households qualify for one kind of help and not the other. I walked through that choice in Silver with extra savings or a cheaper Bronze plan.
What to do between now and December 15
- Build the estimate from the whole year. Not your current paycheque multiplied by twelve. Include the bonus you expect, the side work, the distribution you plan to take, the contract that ends in June.
- Count the right household. Household size changes the threshold, so who you include is as important as what you earn.
- Find out whether you are near the edge before you shop. If you are, the plan decision changes, and so does how carefully you want to track income during the year.
- Enroll by December 15 for coverage starting January 1. Open enrollment runs to January 15, but a plan chosen after December 15 does not start until February 1.
- Diarise a check-in for the autumn. One look at your year in September is what separates a clean tax season from a repayment.
This is the same review I run with my clients at no cost to them — the carrier pays the commission whether you enroll on your own or with me, and your premium is identical either way. Book 20 minutes and bring last year’s return.
Frequently asked questions
What is the 400% subsidy cliff?
The premium tax credit has an upper income limit. The IRS says household income must be at least 100 percent and, for years other than 2021 and 2022, no more than 400 percent of the federal poverty line for your family size. Above that, the credit is not reduced — it is gone. Vivian Soto compares Marketplace plans and enrolls you at no cost. Call or text (407) 777-5046.
Does it apply to 2027 coverage?
Yes. The temporary expansion that removed the cap applied to a limited period and is not in force for 2027, and no extension has become law as of this writing, so the original rule governs your 2027 application. Vivian Soto checks your subsidy and your plan options with you at no cost. Call or text (407) 777-5046.
What happens if I go over during the year?
The IRS is direct about it: for years other than 2021 and 2022, household income above 400 percent of the poverty line makes you ineligible for the credit and you must repay all advance credit payments you received. That is settled when you file. Vivian Soto compares Marketplace plans and enrolls you at no cost. Call or text (407) 777-5046.
What is the dollar amount of the limit?
There is no single amount. It is 400 percent of the federal poverty line for your family size, from the guidelines that apply to your coverage year, so it differs for a household of one and a household of five and it is republished over time. We work it out from the current table rather than from a number in an article.
Can I change my income estimate after I enroll?
Yes, and it is the most useful thing most people never do. Updating the estimate when your year changes adjusts your advance payments going forward, which reduces what you owe back if your income rose, or increases your help now if it fell. Vivian Soto compares Marketplace plans and enrolls you at no cost. Call or text (407) 777-5046.
Is the cost-sharing help affected by the same limit?
It is a separate kind of help with its own range. Cost-sharing reductions lower your deductible and copays rather than your premium, and CMS says they apply only to Silver plans. Vivian Soto checks your subsidy and your plan options with you at no cost. Call or text (407) 777-5046.
When is the deadline?
December 15, 2026 is the last day to enroll or change plans for coverage starting January 1, 2027. Open enrollment itself ends January 15, 2027, and a plan chosen after December 15 starts February 1. Vivian Soto compares Marketplace plans and enrolls you at no cost. Call or text (407) 777-5046.
One estimate, and a year that has to match it
If you take one thing from this: the number that decides your 2027 help is not on any plan page. It is the income estimate you type into your own application, and the cliff means being slightly wrong about it is not slightly expensive. Find out where you sit relative to the edge before you shop, and look again in September.
You can see how we help with health insurance, or write to me directly.
- Internal Revenue Service. Eligibility for the Premium Tax Credit. Accessed October 29, 2026 — household income must be «at least 100 percent and, for years other than 2021 and 2022, no more than 400 percent» of the federal poverty line for the family size, with two exceptions below 100 percent; and for years other than 2021 and 2022, household income above 400 percent makes a taxpayer ineligible and all advance credit payments must be repaid.
- Internal Revenue Service. The Premium Tax Credit — The Basics. Accessed October 29, 2026 — the American Rescue Plan Act «temporarily expanded eligibility» for tax years 2021 and 2022 by «eliminating the rule that a taxpayer with household income above 400% of the federal poverty line cannot qualify».
- CMS. Second lowest cost Silver plan (SLCSP). Accessed October 29, 2026 — the benchmark is «the second-lowest priced Marketplace health insurance plan in the Silver category that applies to you», and its premium is needed to work out the final credit.
- CMS. Save on out-of-pocket costs. Accessed October 29, 2026 — cost-sharing reductions «apply only to Silver plans».
- CMS. Dates and deadlines for health insurance. Accessed October 29, 2026 — open enrollment opens November 1; December 15 is the last day for coverage starting January 1; open enrollment ends January 15.