This post has been first posted on LinkedIn by Amir Khamidullin and the New World Investment Research page on September 1, 2026.
From early January to the end of August, the five-year breakeven inflation rate moved from 2.29% to 2.31%. The 10-year breakeven rose only slightly, from 2.26% to approximately 2.31%.
Yet the nominal 10-year Treasury yield increased from around 4.2% to 4.7%.
This divergence suggests that most of the increase in Treasury yields has occurred through higher real yields rather than a material deterioration in long-term inflation expectations.
Real yields incorporate the expected path of monetary policy and the additional compensation investors require for holding long-duration assets. Their rise may therefore reflect several forces operating simultaneously: expectations that the Federal Reserve will remain restrictive, uncertainty around its reaction function, increasing Treasury supply, and a higher term premium attached to US fiscal policy.
The rapid expansion of hyperscaler debt issuance adds another layer. Governments and technology companies are increasingly competing for the same pool of long-term capital. This does not make corporate issuance the principal cause of higher Treasury yields, but it can raise the marginal cost of funding across the market.
Yen weakness and intervention-related flows may also have contributed episodically. Their timing, however, makes them an insufficient explanation for the broader 2026 move.
The conclusion is therefore more subtle than either “inflation panic” or “debt crisis.” Inflation expectations remain relatively anchored, which argues against an immediate loss of monetary credibility. But investors are demanding more real compensation to finance the US government, and the increasingly capital-intensive economy surrounding it.
The bottom line is that the rise in Treasury yields is not primarily an inflation-expectations story. It reflects a higher real cost of capital, driven by tighter expected monetary policy, heavier debt supply, and a growing premium for fiscal and duration risk. This is not yet a US debt crisis, but it is a warning that America’s ability to borrow cheaply and almost without limit can no longer be taken for granted.
By Amir Kh.
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