UnitedHealth Group, Inc. faced an unprecedented market reaction on Tuesday, witnessing a remarkable 20% drop in its stock price in response to a combination of disappointing earnings and a troubling proposal from the Centers for Medicare & Medicaid Services (CMS).
The catalyst for this dramatic sell-off was the CMS’s 2027 Advance Notice, which suggested a minimal net payment increase of only 0.09%. This figure was a stark departure from analyst predictions, which had anticipated growth rates between 4% and 6%. In an environment where medical inflation is hovering around 7% to 10%, such a flat rate is perceived as a significant budget reduction, exacerbating concerns across the health insurance sector.
During the company’s fourth-quarter earnings call, executives provided a candid assessment of the situation. UnitedHealthcare Unit CEO Timothy Noel criticized the CMS notice, arguing it failed to account for the current dynamics of medical utilization and costs. He emphasized the organization’s commitment to collaborating with CMS to achieve a fair final growth rate, warning that a negative outcome could severely impact benefits and access to care for seniors. Noel pointed out that this detrimental scenario was particularly concerning given the program’s existing financial pressures stemming from previous administrative changes.
The earnings call further illuminated several pressing internal challenges for the company. Notably, the Medical Care Ratio (MCR) approached 90%, signifying that nearly 90 cents of every premium dollar was allocated to medical claims. This increase was attributed to high demand in behavioral health and the cost of specialty drugs. Additionally, while adjusted earnings were in line with expectations, GAAP earnings for the fourth quarter saw an alarming near-total collapse, dropping to just one cent per share—primarily due to restructuring charges and ongoing expenses related to a cyberattack that occurred in 2024.
In terms of membership, UnitedHealth Group indicated an expected loss of up to 1.4 million Medicare Advantage members in 2026, as the organization shifts its focus toward maintaining profit margins over aggressive growth strategies. This move is likely to need careful management, as retention rates become increasingly critical amid a turbulent healthcare landscape.
The cumulative effect of these developments has cast a shadow over UnitedHealth’s future, prompting analysts and investors alike to reassess the company’s position in a challenging and evolving market.

