U.S. Treasuries are losing their bedrock role as an equity hedge, upending the 60/40 allocation model that has anchored institutional portfolios for decades.
Historically, bonds offered negative correlation to stocks during downturns, cushioning losses when equities fell. That inverse relationship—the entire logic of balanced portfolio construction—is broken in a sustained inflation regime.
When inflation remains elevated, both bonds and equities suffer together. Higher inflation drives real yields deeper into negative territory, forcing nominal yields higher and bond prices lower. Longer-duration Treasuries, the most sensitive to rate moves, experience the sharpest depreciation as markets reprice future inflation and monetary tightening.
Duration risk has become acute. Every basis point of yield move now carries outsized losses for investors positioned for lower rates. The result: bonds no longer function as the volatility dampener that justified the 60/40 split.
Spread compression—the tightening of credit spreads during stable growth—also faces pressure. If the Fed stays restrictive to combat inflation, corporate spreads will likely widen as growth concerns surface alongside rate risk, eliminating one more hedge layer.
Institutional investors are recalibrating. The assumption that bonds will offset equity drawdowns no longer holds. Asset managers are hunting for alternative diversifiers or restructuring allocations entirely, abandoning a framework that worked for two decades but no longer does.
