ISSUE. The Affordable Care Act's rule on minimum medical loss ratios (MLRs) protects consumers by capping insurers' profits and overhead. In the early years of the law, these caps were rarely used because most insurers in the individual health insurance market experienced substantial losses. More recently, however, insurers are earning substantial profits while the individual market is rattled by regulatory uncertainty and change. GOAL. To understand the ongoing role that the medical loss ratio rule plays in the individual health insurance market. METHODS. Analysis of insurers' financial performance 2015-2017, as reported to the federal government. KEY FINDINGS AND CONCLUSION. Consumer rebates under the MLR rule increased noticeably in 2017 as insurers raised rates and regained profitability. At the same time, the rule's calculation of MLRs based on a three-year rolling average allowed insurers in 2017 to recoup a portion of their losses from earlier years. As the individual market continues to experience cycles of profits and losses, the MLR rule dampens the severity of these cycles, thus protecting insurers as well as consumers.
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