U.S. capital flow shifts raise long-term risks for the dollar
The dollar remains broadly stable over the past year even as deeper structural changes emerge in how overseas investors fund U.S. assets. A growing tilt away from U.S. sovereign debt and toward equities is reshaping the currency’s support base and could make it more exposed to swings in risk sentiment.
Highlights
- In the year to March 2026, foreign net equity inflows into the U.S. exceeded $600 billion, about double the inflows into government and agency bonds.
- Stronger equity-driven inflows make the dollar more sensitive to shifts in global risk appetite and AI-related market performance, increasing currency volatility during stress periods.
- Japanese policy shifts and Asian currency undervaluation signal risk that major overseas investors may repatriate capital, challenging the dollar’s dominance amid Chinese efforts to internationalize the renminbi.
Changing funding mix for U.S. assets
As reported by Financial Times, foreign demand for U.S. assets is shifting as appetite for sovereign debt weakens while interest in equities strengthens. In the year to March 2026, the U.S. receives more than $600 billion in net equity inflows, a record total that is roughly double the flow into government and agency bonds.This change reflects widening differences across the U.S. economy. The country’s fiscal position is weakening while corporate profitability is improving, and expectations around AI are reinforcing the appeal of company earnings over government balance sheets.
Easier access is also broadening the investor base. Rising participation by Korean retail investors and Japanese households, alongside U.S. efforts to modernise financial infrastructure through blockchain, payments innovation and tokenised assets, is supporting wider access to dollar-based markets.
Stablecoins could further extend the dollar’s role in payments by making it easier to hold and transfer dollar-linked value online. They could also support blockchain-based asset settlement, with faster and potentially round-the-clock trading changing how global capital moves into U.S. markets.
Stronger equity inflows bring new currency risks
The changing mix of inflows could alter how the dollar behaves in periods of market stress. Treasury demand has historically helped the currency hold its value during downturns, but a heavier reliance on cyclical, retail-driven equity buying would make the dollar more sensitive to shifts in risk appetite and AI-related market performance.Another risk is that major overseas investors could be encouraged to bring capital home. Japan is presented as a potential early signal, with the government of Sanae Takaichi planning investment-led growth policies that could include changes to pension fund allocations and tax incentives for retail investors, both important sources of demand for U.S. equities.
The broader foreign exchange backdrop may also become less supportive. A strong dollar implies weakness elsewhere, and some of the most undervalued currencies on Deutsche Bank models are in Asia, including Japan, Korea, China and India, where tolerance for further depreciation may be nearing its limit.
At the same time, China is easing some restrictions around the renminbi as it seeks to expand borrowing in its currency outside its borders. That combination of U.S. financial opening and Chinese currency internationalisation points to a longer-term contest over capital flows and the dollar’s global role.
In our earlier article on the London Stock Exchange’s plan to extend equity trading to nearly 24 hours a day, we examined how retail activity, cross-border investing and digital-first platforms are pushing traditional exchanges beyond fixed business hours. We also noted that while longer sessions could modernize market access, moving toward an always-on model still raises operational and market-structure challenges for legacy venues.
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