ACA Open Enrollment 2027: 31 Fewer Days to Save Your Book

Open enrollment for 2027 ACA coverage runs November 1 through December 15, 2026, for the Federally Facilitated Marketplace most states use. That’s 45 days. The window that just closed for 2026 coverage ran November 1, 2025, through January 15, 2026, a 76-day stretch. Same job, same size book in a lot of agencies, 31 fewer days to do it, under a rule CMS finalized in June 2025 and applied starting with plan year 2027. Layer that onto a client base that’s been absorbing the biggest premium jump the ACA marketplace has seen since it launched, and the phones are going to ring harder in a shorter window than they have in any prior enrollment season.

This isn’t a rule you can get ahead of by working smarter within the old calendar. The calendar itself changed. What follows is what actually changed, what it costs when a compressed window meets a client base in sticker shock, how to work through it with a plain call plan, and where an AI caller fits if your book is bigger than your staff can cover in 45 days by hand.

What actually changed for 2027 open enrollment

CMS’s Marketplace Integrity and Affordability Final Rule, published as a fact sheet on June 20, 2025, standardizes the annual open enrollment period across every ACA exchange in the country, federal and state-run alike. Under the rule, every exchange’s OEP must start no later than November 1, end no later than December 31, and run no longer than nine calendar weeks. For exchanges on the federal platform, healthcare.gov in most states, the rule sets the window explicitly: November 1 through December 15, beginning with the open enrollment period for plan year 2027. All enrollments made during that window take effect January 1, with no more staggered February 1 start date for late sign-ups the way earlier cycles allowed.

That’s a real change from how the window has worked in past years. The 2026 coverage year’s open enrollment period ran November 1, 2025 through January 15, 2026 on the federal exchange, a 76-day window, and healthinsurance.org’s own tracking of state deadlines shows just how much variation existed on top of that: enrollment ended in December 2025 in Idaho, ran until January 31, 2026 in several states, and extended into early February 2026 in Washington D.C. Starting with 2027 coverage, that flexibility to run long is gone. No exchange, state or federal, can push its deadline past December 31.

State-based exchanges retain some flexibility under the rule, they can choose their own start and end dates, but the same ceiling applies: no start later than November 1, no end later than December 31, nine weeks maximum. A handful of state exchanges have historically opened earlier than the federal date in past years. If you’re licensed in a state-run exchange, confirm that state’s specific 2027 calendar once it’s published, typically in late summer or early fall, rather than assuming the federal November 1 to December 15 dates apply to your state.

Why CMS shortened the window

The open enrollment compression wasn’t the headline provision of CMS’s rule, it’s one piece of a broader package the agency describes as closing enrollment loopholes and reducing improper enrollments. The same rule eliminates the monthly Special Enrollment Period for people at or below 150 percent of the federal poverty level, requires income verification for a larger share of SEP enrollments, and reduces the advance premium tax credit to $5 a month for anyone auto-re-enrolled into a fully subsidized plan without confirming their eligibility. CMS’s own projection attached to the rule estimates roughly a 5 percent average premium reduction and up to $12 billion in 2026 taxpayer savings from the package as a whole, though most of the temporary program-integrity provisions are set to sunset at the end of the 2026 plan year. The open enrollment standardization is not temporary in the same way; it’s the new baseline starting with plan year 2027.

The practical effect for an agent is the same regardless of the policy reasoning: a fixed universe of prospects and renewing clients now has to move through a shorter calendar window, with no more quiet stretch into mid-January to mop up stragglers.

The subsidy fight nobody has resolved

The enhanced premium tax credits, first introduced under the American Rescue Plan Act in 2021 and extended through 2025 by the Inflation Reduction Act, expired on December 31, 2025. They removed the 400 percent of federal poverty level income cap on subsidy eligibility and lowered the percentage of income enrollees had to pay toward the benchmark plan. With that expiration, subsidy eligibility and contribution levels reverted to the ACA’s original, pre-2021 structure, and, for the first time since 2021, some middle-income households lost subsidy eligibility entirely.

Congress has not settled what happens next. On January 8, 2026, the House passed H.R. 1834, a bill that included a three-year extension of the enhanced credits, by a recorded vote of 230 to 196, with 17 Republicans crossing over to join every voting Democrat, according to the Office of the Clerk of the U.S. House of Representatives. The bill moved to the Senate, where it has not received a floor vote as of the most recent public tracking. A bipartisan group led by Senators Bernie Moreno and Susan Collins had been negotiating a narrower, two-year compromise, the reported CARE Act framework, with income caps and minimum premium contributions attached, but coverage from mid-January 2026 described those talks as stalled over an unrelated policy rider.

What a compressed renewal season actually costs

The premium side of this is already showing up in the numbers. KFF’s May 2026 analysis of the 2026 open enrollment period found that the average monthly premium payment for subsidized marketplace enrollees, net of tax credits, rose 58 percent, from $113 to $178 a month. Average deductibles rose 37 percent, an increase of $1,027, to $3,786, which KFF describes as the steepest deductible increase the marketplace has seen since it launched. Plan selections shifted hard toward cheaper coverage: bronze plan selections rose from 30 percent to 40 percent of enrollees, while silver selections, the tier most subsidy calculations are based on, fell from 57 percent to a record-low 43 percent.

That’s the demand side. Every one of those numbers describes a client who is more likely to call your office confused, more likely to actively re-shop instead of letting a renewal happen passively, and more likely to need a real conversation about what changed and why, not a two-minute confirmation call. People at 400 to 500 percent of the federal poverty level, who lost subsidy eligibility entirely when the enhanced credits expired, accounted for 27 percent of coverage losses in KFF’s data despite being just 3 percent of 2025 enrollees; sign-ups in that income band fell 44 percent, more than 321,000 people. That’s not a group that renews quietly. That’s a group deciding whether to keep coverage at all, in the same 45 days everyone else is trying to reach you too.

Stack that demand against 31 fewer days to meet it, and the arithmetic of “get to everyone before the window closes” gets meaningfully harder than it was for 2026, even if your book hasn’t grown at all.

How to work a 45-day window without dropping clients

None of this requires new software. It requires a plan built around the actual number of working days you have, not the number you assumed you had based on last year.

1. Segment your book by urgency before November 1, not during it. Pull every client due for a renewal decision and split them into at least three groups: clients in the 400-500 percent FPL band or otherwise likely to have lost subsidy eligibility, clients whose current plan is being discontinued or substantially changed, and everyone else who’s a reasonably straightforward passive renewal. The first two groups need a real conversation. The third can often be handled with a shorter check-in call or a text-and-confirm flow.
2. Count your actual working days, not the calendar days. Forty-five calendar days from November 1 to December 15, 2026 includes about 13 weekend days and the Thanksgiving holiday, leaving roughly 30 working days to make contact. If your book has 640 clients due for renewal, that’s about 21 individual client contacts a day, every working day, for six weeks, on top of whatever new business comes in over the same stretch. If half your outbound dials connect on a given day, the actual dial volume needed is roughly double that.
3. Front-load the high-urgency segment into the first two weeks. A client who lost their subsidy or is losing their plan needs time to actually decide and enroll, not just receive a call on December 14. Work backward from December 15 and put your hardest conversations earliest in the window, not latest.
4. Build one script for premium-increase questions and use it consistently. Every agent on your team is going to field some version of “why did my price go up” this fall. Have a plain, accurate answer ready: the enhanced tax credits that lowered premiums since 2021 expired January 1, 2026, and Congress has not passed a replacement as of the date you’re speaking with the client. Don’t guess at what Congress might do. State what’s true today.
5. Confirm who’s actually being auto-re-enrolled, and whether that’s the right outcome for them. CMS’s rule specifically targets people who get passively re-enrolled without confirming eligibility, cutting their advance premium tax credit to a nominal $5 a month if they don’t take action. A client who assumes “no news is good news” and does nothing could end up paying full, unsubsidized price starting January 1 without realizing it. That’s worth a proactive call, not a passive mailer.
6. Log every call and every consent, especially for anything automated. A compressed timeline creates pressure to move fast and skip documentation. That’s exactly the wrong moment to skip it, both because a fast season means more calls, and because more calls means more chances to get consent or disclosure wrong.

You can run all six steps with a spreadsheet, a segmented call list, and a team willing to grind through the hours. Plenty of agencies will do exactly that, and for a book under a couple hundred renewals, a disciplined manual push through 30 working days is entirely realistic.

Who to call first when you can’t call everyone at once

Not every renewal deserves the same urgency, and pretending otherwise is how a compressed window turns into a scramble in the final week.

The compliance layer for renewal calls

A shorter window creates real pressure to move fast, and moving fast is exactly when compliance gets skipped. It shouldn’t be. Automated, autodialed, or prerecorded calls, including AI-generated voice calls, to a wireless number still require prior express consent under the Telephone Consumer Protection Act, and that requirement doesn’t carve out an exception just because the person is already your client. A manually dialed call from a licensed human agent to their own book carries a different legal posture, but it still needs a clear disclosure and a working opt-out honored immediately.

Under the TCPA’s private right of action, 47 U.S.C. § 227(b)(3), a consumer who receives a violating call can recover actual damages or $500 per violation, whichever is greater, with courts able to raise that to $1,500 per violation for willful or knowing violations. A compressed season with a higher volume of automated outreach is a season where getting consent and disclosure right, every time, matters more than it did when you had 76 days to be careful.

Where TheAffordableAI fits

Building the segmented list, deciding who goes first, and writing the premium-increase script are process work no vendor does for you, including us. Where a managed AI caller helps is on the volume side of the problem: once your renewal list is segmented and your script is set, TheAffordableAI can work through hundreds or thousands of client contacts across the full 45-day window without adding seasonal headcount, log every call and disposition against your CRM automatically, and warm-transfer anyone with a real question straight to a licensed agent while they’re still on the line. The full breakdown of what’s included is on the features page.

Pricing is published, not quoted privately. A Single Account runs $200 a month plus a $500 one-time setup fee, at $0.20 a minute, down to $0.15 a minute at bulk volume. An Agency plan runs $500 a month plus a $1,000 one-time setup fee, at $0.18 a minute, down to $0.16 a minute at bulk. Both are month to month with no long-term contract, so testing this against your own renewal book costs, at most, one month either way.

Before and after: the same 640-client renewal book

What could still change before November

Two things are genuinely unresolved, and it’s worth saying so plainly rather than writing around it. First, the enhanced premium tax credits could still be extended or replaced by Congress before or during the 2027 open enrollment period; the House has acted, the Senate has not, and any Senate movement would change subsidy math for a meaningful share of your book on short notice. Second, individual state-based exchanges have not all published their 2027 calendars as of this writing; the federal November 1 to December 15 dates are confirmed, but a state exchange could open earlier within CMS’s allowed range, up to nine weeks, no later than November 1, no later than December 31. If you’re licensed in a state-run exchange, check that state’s published calendar once it’s available rather than assuming the federal dates apply.

Neither uncertainty is a reason to wait on planning your call cadence. Segment your book now, build the two scripts you’ll need, one for subsidy-loss households and one for straightforward renewals, and adjust the specific dates once your state confirms them, rather than losing weeks waiting for certainty that may not arrive before November 1.

When a manual push is genuinely enough

It would be dishonest to end this pretending every agency needs to automate its renewal calling. If your book is a few hundred clients, your staff has done this before, and you’re not also chasing a large volume of new business in the same window, a disciplined manual push through 30 working days, using the segmentation approach above, is a completely reasonable way to work a 45-day window. The math changes when the book is large enough, or the staff thin enough, that manual dialing simply can’t reach everyone before December 15 no matter how well it’s organized. That’s the point where added capacity, whether that’s temp staff, overtime, or an AI caller, stops being optional and starts being the only way every client actually gets a call before the window closes.

The honest test is arithmetic, not a sales pitch: take your renewal count, divide by roughly 30 working days, and be honest with yourself about whether your current team can hit that number of contacts a day, every day, for six weeks, without the highest-urgency clients falling to the bottom of the list. If the answer is yes, you don’t need anything new. If the answer is no, that’s the actual problem to solve, not a hypothetical one.

The compliance layer, one more time

CMS didn’t shorten the ACA open enrollment window to make anyone’s fall harder on purpose; the rule is aimed at closing enrollment loopholes and reducing improper sign-ups. But the effect on the ground, for an agency with a real renewal book, is 31 fewer days to reach the same number of people, in a year when more of those people have real questions about a real premium increase. Segment the book, front-load the hard conversations, count your actual working days instead of assuming last year’s calendar still applies, and decide honestly whether your current staff can hit the daily contact number that math requires. If it can, you’re set. If it can’t, that’s a capacity gap worth pricing out before November 1, not during the second week of December.