Realistic Money · Resource · October 17, 2026
HealthCare.gov opens for 2027 plans on November 1. The four dates, and what happens if you do nothing
Texas has no state exchange, so anyone buying their own health insurance here uses HealthCare.gov. Open enrollment for 2027 runs from November 1 to January 15, and December 15 is the date that decides a January 1 start. The automatic renewal, the letter to look for, and what to have ready.
By The Magnolia Standard · Published October 17, 2026
This is for the household that buys its own health insurance: the self-employed, the early retiree not yet on Medicare, the family whose job does not offer a plan. In Texas that coverage is bought through the federal marketplace at HealthCare.gov, because the state does not run its own. Shopping for 2027 opens in two weeks.
People on Medicare are on a different calendar, which ends December 7. That one is in last week's resource.
The four dates
From HealthCare.gov's own calendar, read October 17:
| Date | What happens |
|---|---|
| November 1 | Open enrollment starts. The first day to enroll in, renew or change a plan for 2027. |
| December 15 | Last day to enroll or change plans for coverage that starts January 1. |
| January 1 | Coverage starts for anyone who signed up by December 15 and paid the first premium. |
| January 15 | Open enrollment ends. Sign-ups from December 16 on start February 1. |
After January 15, a plan can be started or changed only with a special enrollment period, which follows a life event such as a move, a marriage, a new baby or losing other coverage. Medicaid and CHIP applications are taken any time.
If you do nothing
Anyone who already has a marketplace plan is renewed automatically. HealthCare.gov says it re-enrolls people in a plan for next year so there is no gap, and sends a letter saying whether it will be the same plan or a different one. A different plan can happen when an insurer stops offering the current one.
The automatic renewal uses the information already on the application. The savings on a monthly premium are figured from the household's expected income for the year of coverage, not the year before, so a renewal built on old numbers can come out higher or lower than the household actually qualifies for.
Two ways the calendar plays out
- Changing by December 15. The new plan starts January 1 with no overlap and no gap.
- Being renewed, then changing in January. HealthCare.gov says a person who was renewed automatically, and whose coverage has started, can still switch plans until January 15.
- A first-time buyer who signs up between December 16 and January 15. Coverage starts February 1, so January is uncovered.
Things to have ready
- The renewal letter. It names the plan the household will be placed in.
- An income estimate for 2027. HealthCare.gov suggests starting from the household's adjusted gross income and adjusting it for expected changes. Its income calculator is on the site.
- The right household list. Count yourself, a spouse if married, and everyone claimed as a tax dependent, including people who do not need coverage.
- The 2027 savings figures, after November 1. Until then the site estimates savings with 2026 amounts and says 2027 income levels arrive on November 1.
- The site's checklist, a printable list of the papers the application asks for, linked from the dates page.
For a household here
A Magnolia couple in their early sixties, retired before Medicare age and on a marketplace plan this year, is renewed for 2027 if neither of them logs in. If their income changed this year, the renewal still carries the old figure until somebody updates the application. Logging in, entering the 2027 estimate and comparing the plan they are matched with costs nothing and commits them to nothing. December 15 is the date that decides whether a change starts on New Year's Day.
Sources: HealthCare.gov's dates and deadlines page, automatic re-enrollment page and savings and income page, all read October 17, 2026. The paper did not print 2027 premium or savings figures because HealthCare.gov does not publish them until November 1.
How this column is made. Realistic Money runs every Saturday. It gathers numbers published by sources we name and link, and explains what they might mean for a household around here. It is not financial, tax, or legal advice. The paper holds no position in anything mentioned and takes no payment for inclusion. If a number is wrong, write editor@themagnoliastandard.news and we correct it with a note.
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