On February 26, 2026, the Centers for Medicare and Medicaid Services released the actuarial value calculator for 2027 and a document explaining the methodology. The actuarial value calculator is a tool published annually that measures the actuarial value of plans in the individual and small group markets. This article describes key actuarial value calculator changes for 2027 and a potential future change. These changes raise novel issues state regulators should be aware of.