The euro area's exposure to the United States has surged to 47% of its GDP, a dramatic increase from just 18% in 2013. According to the ESM, this reliance is compounded by stretched equity valuations and concerns over fiscal sustainability, creating a scenario where a correction in U.S. markets would inflict direct, substantial losses on European investors. By the end of 2025, the U.S. accounted for nearly half of the euro zone's global portfolio holdings, including 59% of equity positions and 36% of debt.

Simultaneously, the threat of an energy shock looms due to ongoing instability in the Middle East. The ESM highlights that a potential closure of the Strait of Hormuz could disrupt global supply chains, mirroring the volatility seen during previous regional tensions. If these financial and energy-related risks materialize concurrently, the report projects that the euro area's GDP growth would stall at 0.6% in 2026 before contracting by 0.4% the following year, with inflation rates climbing toward 5%.