You may have a special enrollment period (SEP) due to a life event like losing other coverage, getting married or having a baby. If you qualify for this special enrollment period, or anyone in your household has lost coverage in the last 60 days OR expects to lose coverage in the next 60 days, your coverage loses create this open enrollment period when you may make a change to an existing plan, choose a new plan, add people, etc.
Here’s a link for your review from healthcare.gov that provides in depth details about your special enrollment period. Know you can always call me and we’ll go over the details as each person has a different set of circumstances. It would be important to know your options.