Is the Bond Market Too Optimistic? Experts Analyze 3 Structural Factors—The Era of Low Inflation Is Over

Financial markets widely anticipate that inflation will gradually return to central bank target levels. However, experts caution that bond markets may be underestimating the risk of inflation remaining structurally higher than expected. With global economic resilience, AI-driven capital expenditure surges, and the fading benefits of globalization, the future inflation environment may differ fundamentally from the low-inflation era of the past decade.

Following the most severe inflation shock in nearly 40 years, market-based medium- to long-term inflation expectations—such as the U.S. 5-year breakeven inflation rate and the 5-year forward 5-year inflation rate—remain broadly aligned with the Federal Reserve’s 2% inflation target.

Marion Le Morhedec, Global Head of Fixed Income at Fidelity International, points out that recent Middle East tensions have once again highlighted the market’s overly optimistic pricing of geopolitical risks. After ceasefire agreements and the reopening of the Strait of Hormuz, oil prices and short-term inflation expectations briefly declined. However, with renewed military conflicts, oil prices have risen again.

Although markets have priced in short-term shocks, long-term inflation pricing still assumes these risks will eventually dissipate. Markets even anticipate that the U.S. CPI year-on-year growth will fall below 2% by 2027, while nominal economic growth remains above long-term trends—reflecting investors’ continued optimism about inflation prospects.

Yet, the yield curve tells a more complex story. Short-term yields reflect expectations of cooling inflation and a dovish policy pivot. In contrast, long-term yields continue to rise due to widening fiscal deficits, increasing financing needs, and rising bond supply. In other words, while markets are increasingly factoring in fiscal risks, they still assume the economy will eventually revert to the pre-pandemic low-inflation environment.

Le Morhedec identifies three structural factors that could push inflation higher than market expectations.

First, the global economy is showing strong resilience. Earlier this year, concerns about economic stagnation loomed, but the U.S. economy continues to expand, growth in much of Asia has outpaced expectations, and Europe has performed relatively steadily. With tight labor markets, healthy household balance sheets, and sustained corporate investment, overall demand momentum has not significantly cooled.

Second, the AI investment boom is driving capital expenditure higher. Massive capital is flowing into data centers, power infrastructure, semiconductors, and digital infrastructure. While AI is expected to boost productivity and reduce costs in the long run, historical experience shows that productivity gains take time to materialize. For now, AI’s upward impact on nominal economic growth outweighs its inflation-dampening effects.

Third, the deflationary benefits of globalization are fading. For decades, global supply chain integration, trade expansion, and cost efficiencies helped suppress prices. However, supply chain reconfiguration, onshoring trends, rising defense spending, and energy security policies are weakening this force. Additionally, increasingly frequent trade wars, pandemic disruptions, and logistics bottlenecks are pushing the global economy toward greater fragmentation.

Le Morhedec emphasizes that the inflationary pressures from these factors tend to be persistent. Even if commodity prices fall, higher energy and production costs continue to transmit through supply chains, sustaining price pressures. If inflation proves stickier than expected, the risks extend beyond prolonged high interest rates—central banks may be forced into more aggressive tightening, incurring higher economic costs.

She notes that the forces that suppressed inflation throughout the 2010s—globalization, fiscal discipline, abundant labor supply, and low capital spending—are now receding, even reversing. The return of the past decade’s low-inflation environment can no longer be taken for granted. Going forward, 2% inflation may serve more as a floor than a policy target.

For bond investors, inflation remains one of the most critical risks. Compared to current market expectations, inflation-protected instruments still offer portfolio value. Moreover, a higher inflation environment does not eliminate cyclical fluctuations—market volatility may still create investment opportunities in government bonds. Therefore, fixed-income portfolios should maintain flexibility in duration positioning.

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