Image Key dates to get Marketplace coverage next year: November 1, 2024: Open Enrollment starts — first day you can enroll in, renew, or change Marketplace plans. December 15, 2024: Last day to enroll in or change plans for coverage to start January 1. January 15, 2025: Open Enrollment ends — last day to enroll in or change Marketplace plans for the year with coverage starting February 1. Need coverage for the rest of 2024? You can enroll in or change coverage only if you qualify for a Special Enrollment Period.Check if you qualify to enroll in or change plans now. You can enroll in Medicaid or the Children's Health Insurance Program (CHIP) anytime if you’re eligible. Coverage can start right away. Never miss an important date or information — sign up for reminder emails.