Affordable Care Act premiums will rise 114% if enhanced subsidies expire, KFF says

A KFF analysis projects that Affordable Care Act marketplace premiums will more than double in 2026, rising 114% on average from $888 to $1,906 for 22 million enrollees, if enhanced federal subsidies expire as scheduled at year-end 2025. This significant cost increase, exacerbated by proposed insurer rate hikes and altered tax credit calculations, is tied to a political stalemate over extending the subsidies, signaling substantial financial pressure on consumers and potential implications for the healthcare sector.

Analysis

A KFF analysis indicates a significant fiscal cliff for 22 million Americans enrolled in Affordable Care Act (ACA) marketplace plans, with average premiums projected to increase by 114% in 2026, from $888 to $1,906, if enhanced subsidies expire at the end of 2025. This potential premium shock is exacerbated by compounding factors, including proposed median rate hikes of 18% by insurers—the largest since 2018—and changes to tax credit calculations. The issue is rooted in a political stalemate, as the subsidies, which originated in the American Rescue Plan Act and were extended by the Inflation Reduction Act, are now tied to contentious federal budget negotiations. The financial impact is not limited to lower-income households; a middle-income 60-year-old couple earning $85,000 could see their annual premiums increase by over $22,600. This scenario presents a material risk to the stability of the ACA marketplace, as drastic cost increases could lead to a significant drop in enrollment, potentially creating adverse selection for insurers and increasing uncompensated care costs across the healthcare system.

Key Decisions for Investors

• Investors with exposure to health insurers that have a significant presence in the ACA marketplace should closely monitor legislative developments, as the non-extension of subsidies represents a major headwind to enrollment and revenue forecasts for 2026.
• The binary outcome, dependent on political negotiations over the federal budget, introduces significant event risk for the managed care sector; any signal of a compromise to extend the subsidies would be a strong positive catalyst.
• Consider the second-order effects on the broader healthcare sector, as a sharp decline in insurance coverage could lead to increased bad debt for hospital operators and reduced utilization of non-essential medical services and pharmaceuticals.