Build1 publisher2 min readPublished
Ten-year Treasury yield hits 5.34% as AI investment adds to the case for higher rates
US 10-year Treasury yields hit 5.34% on 1 October, the highest since 2002, in a selloff Reuters partly ties to AI and data-centre construction. For teams that borrow to build, AI's own investment is part of why markets expect rates to stay high into 2027.
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What happened
- Bargain hunters later pulled the 10-year yield back to about 5.26%, though analysts did not rule out further pressure on bonds.
- After a Fed hike last month, markets now expect at least three more US rate increases by mid-2027.
- Britain's 30-year gilt yield passed 6%, its highest since 1998, while UK house price growth slowed to its weakest in nearly two years.
- Danny Zaid of TwentyFour Asset Management said higher rates could tighten financial conditions and raise slowdown risk, though broad economic data remain strong.
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Why it matters
- cost Higher yields lift corporate borrowing costs, so debt-funded data-centre and infrastructure projects cost more to carry while the 10-year sits near 5.3%.
- decision Capacity budgets that assume cheaper borrowing before mid-2027 need a rising-rate case beside them, since markets currently price more Fed hikes in that window.
- constraint AI-related investment feeds the growth that lets markets expect high rates for longer, so the sector's own spending pushes up what it pays to borrow.
Reuters' account, carried in Ukrainian by mezha.net, links AI to the bond selloff in two ways. AI development and data-centre construction, along with high energy prices, are raising competition for capital and lifting expectations for growth and future interest rates [5]. The second link is output. Industrial activity in Europe and Asia rose in September, partly on AI-related investment, and stronger growth gives central banks less reason to fear tighter policy [12].
The two analysts the report names put the weight on inflation and growth. Fred Neumann, HSBC's chief Asia economist, said markets are reacting to years of inflation above target. Until monetary tightening is delivered, he said, bond markets will demand an extra premium for long-term borrowing [7]. Afonso Borges, a bond analyst at Julius Baer, said stronger growth has led markets to conclude the economy can withstand high rates for longer [13]. AI enters that second argument only through the growth data. The report does not estimate how much of the yield move AI explains.
For a build budget, I'd plan off the priced rate path. That path is not confined to the Fed. In Europe, the ECB has raised rates twice this year, and markets price three more quarter-point moves by mid-2027 [16]. Those three moves add up to 0.75 percentage points of further tightening [3]. European inflation came in above forecast this week [16]. In the US, data released Wednesday showed inflation slowing and somewhat eased expectations for the nearest decisions [15].
The Institute of International Finance comparison needs a scope check before it goes on a slide. By its estimate, developed economies paid more than $3.3 trillion in interest over the past year on internationally traded government bonds alone [9]. Global AI spending is put at $2.6 trillion, defence at $3.1 trillion and clean energy at $2.3 trillion [10]. On those figures, interest exceeds AI spending by about $0.7 trillion, or roughly 27% [2]. The two sides differ in scope. One is developed-economy interest on one class of sovereign bond. The other is a global spending estimate. Because the interest side counts only internationally traded bonds, the full developed-economy interest bill can only be higher than $3.3 trillion [9].
What to watch
- Whether the 10-year holds near 5.26% or retests 5.34%, with analysts not ruling out further pressure on bonds.
- The next US inflation readings after Wednesday's slower print; a reversal would firm up pricing for at least three more Fed hikes by mid-2027.
- Any estimate that separates AI and data-centre demand for capital from energy-driven inflation in the yield move.