ソース:[1] Humana’s Medicare Advantage star ratings slip for 2026 (https://finance.yahoo.com/news/market-chatter ...)[2] Humana's 2026 Medicare A Performance Outlook: Strategic Positioning in a Shifting Healthcare Landscape - AInvest (https://vertexaisearch.cloud.google.com/groun ...)[3] united states securities and exchange commission - Investor Relations (https://vertexaisearch.cloud.google.com/groun ...)