Medicare Payment Boost Sends Humana and UnitedHealth Stocks Skyrocketing

A 2.48% Medicare rate boost for 2027, totaling $13 billion, has driven Humana and UnitedHealth stock prices up. The move has led to gains for these companies alongside other health insurers and CVS, lifting the stocks of UNH, HUM, ELV, and CVS. UnitedHealth's stock price climbed following the news, while Humana shares surged.

The Centers for Medicare and Medicaid Services finalized a 2.48% increase to Medicare Advantage payment rates for 2027 — translating to over $13 billion in additional payments — a decision that came in dramatically above the near-flat 0.09% increase proposed in January . The announcement sent health insurer stocks surging: UNH shares climbed 11%, HUM rose 12%, and CVS gained 9% as the market repriced the industry's earnings trajectory following months of regulatory uncertainty.

The rate decision is particularly consequential for Humana, which navigated a turbulent 2025 marked by lower Star Ratings and rising hospital utilization costs that compressed margins significantly. The additional $13 billion in payments gives health plans the capital to stabilize benefits and protect market share heading into 2027 Open Enrollment. When accounting for estimated risk score trends in Medicare Advantage — driven by population changes and coding practices — the effective rate improvement amounts to 4.98%, meaningfully above initial expectations.

For investors, the reversal from a near-flat proposal to a 2.48% final rate signals that the Trump administration is prioritizing health insurer stability over aggressive Medicare cost containment in this cycle. With UNH and HUM reporting earnings in coming weeks, the favorable rate backdrop sets up a constructive near-term setup — though near-term hospital cost inflation and ongoing Medicaid reimbursement negotiations remain key risk factors to monitor.