Health Insurers Exit ACA Marketplace: Challenges for 2027

Several health insurers have announced plans to exit the Affordable Care Act (ACA) Marketplace by the end of 2026, affecting over 600,000 policyholders across multiple states. These departures raise questions about the stability of the individual health insurance market, amidst rising premiums, decreasing enrollment, and anticipated federal rule adjustments that may further impact the landscape in 2027.

With the withdrawal, more than 600,000 enrollees must seek alternative coverage options for 2027. Insurers typically announce such decisions toward the year's end, creating uncertainty about full Marketplace participation until the open enrollment period approaches. Such exits generally align with the year's end, sparing mid-year shutdowns, aside from notable exceptions like the 2023 closure of Friday Health Plans.

The individual market faces significant challenges, described as a "perfect storm" by industry experts. This includes declining enrollment and deteriorating risk pools due to the expiration of enhanced federal subsidies and consequent premium increases. Wakely's analysis projects effectuated enrollment could drop by 17% to 26% in 2026 compared to 2025 levels.

This enrollment downturn relates to the expiration of federal subsidies at the end of 2025, triggering a 58% net premium increase in 2026. As a result, many consumers switched to plans with higher out-of-pocket costs or exited the market, causing a demographic shift and exacerbating risk pools, leading to further premium hikes.

Upcoming regulatory changes could intensify these issues. New federal policies may lead to an additional 2 million participants leaving the Marketplace in 2027. While some benefits, such as enhanced eligibility verification and reduced user fees, are expected, they may not offset the impact of escalating premiums caused by a less healthy insured base.

For insurers, participating in the Marketplace primarily hinges on financial viability. Evaluation of market conditions, enrollment trends, and policy stability are key factors, alongside state-specific regulations like New Mexico's mandate for dual Medicaid and Marketplace participation. Insurer engagement in the ACA Marketplace has varied, with firms like Aetna exemplifying the cyclical nature of participation in response to market dynamics.

Despite current concerns over insurer withdrawals and reduced enrollment, the individual market has proven resilient through past cycles of growth and contraction. As conditions evolve, it remains to be seen if 2027 will mark another temporary contraction or a significant shift in the ACA Marketplace.