Whether they operate their own health insurance marketplace or have one that is “federally facilitated,” many states are looking for ways to retain local control over their insurance markets while minimizing the financial and operational burdens of building or maintaining an exchange. In their latest Commonwealth Fund issue brief, Georgetown University’s Justin Giovannelli and Kevin Lucia examine the experiences of four states—Idaho, Nevada, New Mexico, and Oregon—that established their marketplaces but use the federal HealthCare.gov platform for eligibility and enrollment.