FTSE Russell Insights

Diverging paths in fixed income: The bond market's tale of fiscal strain and corporate calm

Indrani De, CFA, PRM

Head, Global Investment Research, FTSE Russell

Sayad Reteos Baronyan, PhD

Director - Multi-Asset Research
  • The bond market is revealing a divergence between sovereign debt challenges and corporate financial stability, presenting a mixed outlook for investors.
  • Government bond yields are rising due to fiscal burdens, uncertainty in inflation outlook and monetary policy.
  • Corporate bond spreads are narrowing, reflecting investor confidence in corporate balance sheets despite economic fluctuations and uncertainty.

In the labyrinth of global finance, markets often present puzzles that defy easy explanation. Today, investors are grappling with one such enigma. The bond market, a barometer of economic health, is sending mixed signals through a curious dichotomy that reflect the complex interplay of fiscal policy, monetary uncertainty, and investor sentiment.

On one side, there is the surge in government bond yields underscoring rising fiscal burdens and the resulting uncertain path of future inflation and monetary policy. The first chart below illustrates the long trajectory of government indebtedness, mapping debt-to-GDP ratios across major economies from the early 2000s to IMF projections for the future. The data is sobering: fiscal pressures, especially in advanced economies like the United States, are intensifying. 

On the other side, corporate bond spreads have narrowed, indicating an unexpected tranquillity in a sector typically sensitive to economic fluctuations. The second chart zooms in on the strength of sovereign and corporate balance sheets, juxtaposing U.S. government debt with the long-term debt-to-capital ratio of the Russell 1000 index. While public debt ratio steadily escalates (except a brief period of sharp rise and fall underpinned by volatile GDP dynamics during and post- pandemic), corporate America seems to maintain steadier balance sheets—a striking divergence in leverage dynamics. 

The first chart illustrates the long trajectory of government indebtedness, mapping debt-to-GDP ratios across major economies from the early 2000s to IMF projections for the future.  The second chart zooms in on the strength of sovereign and corporate balance sheets, juxtaposing U.S. government debt with the long-term debt-to-capital ratio of the Russell 1000 index.

Source: FTSE Russell, Corporate Balance Sheets, IMF/LSEG. Data as of December 31, 2024. Please see the end for important legal disclosures.

Spread between corporate and government bonds

The chart below captures an intriguing dynamic in the bond market: the spread between investment grade corporate and government bond yields. This measure, often seen as a barometer of credit risk, first shows how sharply markets reacted to the chaos of 2020. The pandemic-induced flight to safety sent spreads soaring as investors demanded higher compensation for holding corporate debt. Yet just as striking is the swift reversal that followed, with spreads currently narrowing to even lower levels than the pre-pandemic levels.

Such compression suggests a restored confidence in the creditworthiness of companies. Investors, lured by the higher yields offered by corporate bonds, appear undeterred by broader macroeconomic concerns. The contrast with 2020’s spike is stark: the fear that once dominated has given way to calm, with markets seemingly shrugging off potential risks to corporate balance sheets.

The persistence of narrow spreads raises questions about market resilience. Are investors correctly gauging the risks, or are they taking on more credit exposure than the current economic climate justifies? Historically, such tight spreads have been a hallmark of macroeconomic stability—but they have also left markets vulnerable to sudden shifts in sentiment.

Spread between FTSE World Broad Corporate Investment Grade vs FTSE World Government Bond AA Index YTM

This chart captures an intriguing dynamic in the bond market: the spread between investment grade corporate and government bond yields.

Source: FTSE Russell, /LSEG. Data as of December 31, 2024. Please see the end for important legal disclosures.

Real yields, credit spreads, and the puzzle of term premia

In the early 1980s, as Paul Volcker’s Federal Reserve waged its war on inflation, bond markets were anything but calm. Real yields soared, corporate borrowing costs ballooned, and term premia—the extra return investors demanded for holding long-term bonds—reflected the deep uncertainty of the time. Today’s bond market, while echoing some of those themes, tells a different story.

The left-hand chart underscores one of the uncertainties of the current market. Real yields have climbed sharply since 2022 as central banks, led by the Federal Reserve, raised rates to counter persistent inflation with resulting fair success in reducing rate of inflation. Yet credit spreads—the risk premium investors demand for corporate bonds over government debt—have remained largely subdued, with only a modest rise during episodes of market stress. This muted response raises questions about whether credit markets are underestimating potential risks.

The right-hand chart adds another layer of intrigue. Using the ACM model (developed by Adrian, Crump, and Moench), it tracks term premia on 3-year and 10-year U.S. Treasury bonds. Amid rising uncertainty around monetary policy and fiscal outlook, term premia started to elevate recently, suggesting that investors now price in additional risk in holding long-term bonds. This is not surprising given the uncertain macroeconomic environment, where elevated government debt and uncertain monetary policy could, in theory, warrant higher compensation for long-term risk.

The juxtaposition of these charts reflects a bond market caught in two minds. Rising real yields and term premia point to tighter financial conditions for governments, yet the muted movement in credit spreads suggests an undercurrent of optimism—or complacency.

Historical parallels, such as the Volcker era of the 1980s, provide context but not clarity. Back then, surging real yields and term premia signalled the profound uncertainty that dominated markets. Today, however, the relative calm in corporate credit suggest that investors are more optimistic, betting on robust corporate balance sheets and a contained economic slowdown. Whether this optimism is justified will depend on how inflation, fiscal pressures, and monetary uncertainty play out. 

The left-hand chart underscores one of the uncertainties of the current market. Real yields have climbed sharply since 2022 as central banks, led by the Federal Reserve, raised rates to counter persistent inflation with resulting fair success in reducing rate of inflation. The juxtaposition of these charts reflects a bond market caught in two minds.

Source: FTSE Russell, /LSEG. Data as of December 31, 2024. Please see the end for important legal disclosures.

Conclusion: A market at a crossroads

The bond market today sits at a curious juncture, grappling with signals that seem both clear and contradictory. Rising real yields and term premia tell a story of deteriorating sovereign balance sheets and tightening financial conditions for governments whereas lower credit spreads indicate investor faith in corporate balance sheets and are still supportive of financial conditions for corporates.

As these forces evolve, the delicate equilibrium in bond markets could be tested. The charts discussed reveal a snapshot of a market that is simultaneously resilient and vulnerable, torn between its faith in economic recovery and the realities of rising borrowing costs. How this balance resolves will determine not only the direction of the bond market but also the broader financial landscape. Investors would do well to keep one eye on history—and the other on the uncertainties ahead. 

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