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US banking regulators proposed slashing capital requirements for the nation’s largest banks by nearly 5%, and the ripple effects are already crossing the Atlantic. European policymakers, watching Wall Street’s profits swell, are now drafting their own playbook to keep their banks from falling further behind.
Wall Street cashes in
The timing of the US regulatory easing isn’t coincidental. It aligns with broader efforts by the Trump administration to loosen financial rules and boost American banking competitiveness on the global stage.
JPMorgan Chase, Bank of America, and Goldman Sachs all reported strong second-quarter 2026 earnings, buoyed by increased trading revenues that thrive in a lighter regulatory environment. When banks need to hold less capital in reserve, they can deploy more of it into revenue-generating activities like trading and lending.
Analysts estimate that the Basel III endgame adjustments could unlock substantial balance-sheet capacity—potentially in the tens of billions for the largest institutions.
Europe watches, then follows
The European Commission is preparing a competitiveness report, expected around July 18, 2026, that proposes legislative changes along similar lines. The proposed reforms could take effect as early as 2027.
The EU’s reform agenda reportedly includes reductions in capital buffers, adjustments to leverage rules, streamlined reporting requirements, and support for establishing a European Deposit Insurance Scheme.
European authorities have explicitly cited US and UK deregulation as factors driving their own reform push, framing the issue as one of competitive survival. Over the past decade and a half, US banking giants have steadily gained market share at the expense of their European counterparts, dominating global investment banking league tables and capturing a larger share of trading revenues. European banks, burdened by a fragmented regulatory landscape, negative interest rates for much of the 2010s, and stricter capital rules, have struggled to keep pace.
Larger regional European banks are also deemed necessary to adequately finance critical areas like infrastructure and defense amid ongoing economic challenges.
What this means for markets
The strong Q2 earnings from major US banks already reflect the impact of lighter capital requirements. If European reforms follow through on a similar timeline, European bank stocks could see a meaningful revaluation, as the sector has traded at a persistent discount to US peers for years.
The establishment of a European Deposit Insurance Scheme would represent a major step toward genuine banking union in the eurozone, reducing the risk premium that investors assign to banks in fiscally weaker member states.
The EU’s legislative process involves negotiations among 27 member states with very different banking sectors and risk appetites, raising questions about whether reforms proposed for 2027 will actually be implemented on that timeline.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.
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