8 Things to Watch for the 2026 ACA Open Enrollment Period Authors: Rayna Wallace, Jared Ortaliza, Matt McGough, Cynthia Cox, Emma Wager, Michelle Long, and Kaye Pestaina Published: Oct 28, 2025

https://www.kff.org/affordable-care-act/8-things-to-watch-for-the-2026-aca-open-enrollment-period/ The ACA Marketplace Open Enrollment season begins November 1, and with it comes looming changes to the enhanced premium tax credits, increases in out-of-pocket premiums, and changes to Marketplace enrollment and eligibility rules. Here are eight things to know about the 2026 Open Enrollment period.