Open Enrollment 2024 Marketplace Second. Open enrollment ends on january 15, 2025. By affordable care act / november 21, 2023 the centers for medicare & medicaid services (cms) reports that nearly 4.6 million americans have signed up for 2024.

Enroll in a plan during open enrollment to keep marketplace coverage for next year. For your new coverage to being on january 1, 2025, the open enrollment period will begin on november 1, 2024, and end on december 15, 2024.