The primary threat to the high-yield market isn't a wave of corporate defaults, but rather a reversion of the compressed risk premium that investors demand. This premium has been historically low, and a return to normal levels presents a significant valuation risk, even if fundamentals remain stable.

In 1935, amidst massive economic uncertainty following the Great Depression, a new AA-rated corporate bond yielded just 70 basis points over Treasurys. This historical precedent, nearly identical to today's spreads, shows that low credit spreads are not necessarily a sign of complacency and can persist even if economic conditions worsen, challenging typical risk-pricing assumptions.

With corporate credit spreads at historically narrow levels, investors are not being compensated for the inherent risk. In Richard Bernstein's career, spreads have only been this tight three previous times, each preceding a major credit crisis or market scare (late 1990s, mid-2000s, 2021-22). This suggests a poor entry point for credit.

In a market where everyone is chasing the same high-quality corporate bonds, driving premiums up, a defensive strategy is to pivot to Treasuries. They can offer comparable yields without the inflated premium or credit risk, providing a safe haven while waiting for better entry points in credit markets.

Today's high-yield market has a fundamentally different, higher-quality composition than before the GFC. The proportion of risky CCC-rated issuers has fallen from nearly 25% to below 10%, which mathematically justifies the current tight spread levels.

Cembalest calls charts showing the average high-yield spread one of the "dumbest charts in finance." Spreads exist in a binary state: either low during an economic expansion or high during a contraction. The average is a statistical artifact that doesn't reflect any real market condition.

Persistently low high-yield credit spreads, despite global turmoil, don't signal corporate health. This is a structural market shift where the riskiest debt has migrated from public markets to the opaque world of private credit, artificially suppressing spreads and hiding true risk.

With credit curves already steep and the U.S. Treasury curve expected to steepen further, the optimal risk-reward in corporate bonds lies in the 5 to 10-year maturity range. This specific positioning in both U.S. and European markets is key to capturing value from 'carry and roll down' dynamics.

Principal's core strategy is an overweight position in US high-yield bonds. With an average duration below three years and an improved credit quality profile, the sector now functions as a high-carry, short-duration asset, attractive for its risk-reward.