Open enrollment for 2015 health insurance has ended. It ran from November 15, 2014 through February 15, 2015. Outside those dates, you must have a qualifying event in order to be eligible to purchase Affordable Care Act-compliant coverage which is effective in 2015. NOTE: Anthem has extended its deadline to purchase off-exchange 2015 coverage until February 28. Click here for more info. Examples of Qualifying Events Change in marital status