Shares of major U.S. health insurance companies tumbled following the Centers for Medicare & Medicaid Services (CMS) announcement of its proposed payment rates for 2027 Medicare Advantage (MA) plans. The CMS proposal, which included a modest 0.09% payment increase – far below expectations – triggered a wave of market losses for several industry leaders.

Market Reaction to the CMS Proposal

The announcement sent shockwaves through the stock market, with Humana Inc. suffering a steep 19.1% drop in its stock value. Other prominent players in the sector, including UnitedHealth Group, Elevance Health, CVS Health Corp, Centene Corp, and Molina Healthcare Inc., also experienced significant declines in their share prices. The proposal, outlining a roughly $700 million increase in MA payments, fell well short of the anticipated 5% rate hike expected by industry analysts.

Changes in Medicare Advantage Payment Structure

Medicare Advantage plans, which are privately managed and provide coverage for hospital, medical, and prescription drug expenses, undergo annual payment adjustments. For 2027, CMS introduced changes to risk-coding methodologies, a key factor in calculating rates. According to analysts from Truist, led by David MacDonald, these regulatory adjustments marked a "surprise", particularly regarding their impact on Medicare Advantage risk scores. The move appears to reflect CMS’s evolving approach to regulatory compliance and its assessment of cost trends.

Analyst Reactions and Economic Forecasts

The proposed rate adjustments have raised concerns about the earnings growth potential of insurers with significant exposure to Medicare Advantage plans. Mizuho analysts Ann Hynes and Jack Sheehan noted that the lower-than-expected rates could dampen growth for companies such as Humana, UnitedHealth, and CVS Health. However, the proposal remains preliminary and may be revised before the final announcement in April.

Despite the immediate negative market reaction, some analysts are maintaining a cautiously optimistic outlook. Truist analysts reaffirmed Buy ratings for Centene, CVS, Elevance Health, and UnitedHealth, citing a positive long-term perspective on the managed care sector. However, they maintained Hold ratings for Humana and Molina Healthcare, reflecting a more tempered view of short-term prospects amid ongoing compliance challenges.

What Lies Ahead

The CMS proposal highlights the complexities of balancing regulatory compliance with financial stability for Medicare Advantage providers. While the lower-than-expected payment rates have caused immediate market disruptions, analysts suggest the possibility of adjustments in the final rate announcement, which could alleviate some concerns. As the industry waits for further updates, insurers continue to navigate an increasingly challenging regulatory environment while seeking opportunities for growth within the managed care space.

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