10-Year Treasury Yield Long-Term Perspective: March 2026

The piece reviews the 10‑year Treasury yield's historical trends since 1962 and its co-movement with the Fed Funds Rate, inflation and the S&P 500. It finds sustained Fed tightening and high inflation coincide with multi-decade yield peaks, while disinflation and looser policy align with falling yields and equity recoveries. Key takeaway for portfolios: long-term yield direction is primarily driven by Fed policy and inflation dynamics, which materially affect duration risk and equity valuations.

Analysis

The piece reviews the 10‑year Treasury yield's historical trends since 1962 and its co-movement with the Fed Funds Rate, inflation and the S&P 500. It finds sustained Fed tightening and high inflation coincide with multi-decade yield peaks, while disinflation and looser policy align with falling yields and equity recoveries. Key takeaway for portfolios: long-term yield direction is primarily driven by Fed policy and inflation dynamics, which materially affect duration risk and equity valuations.