Amid War with Iran, Debating the US Dollar as a Safe Haven Currency

Atlantic Council
Atlantic CouncilMar 11, 2026

Why It Matters

The renewed dollar influx underscores the currency’s crisis‑refuge role, reshaping global capital flows and monetary policy. It also highlights a potential new lever for adversaries seeking to pressure U.S. financial stability.

Key Takeaways

  • Iran conflict spikes demand for U.S. dollar assets
  • Safe‑haven debate intensifies amid geopolitical tensions
  • Speculation rises on coordinated ‘Sell America’ strategy
  • Atlantic Council warns of potential currency coercion
  • Dollar Dominance Monitor tracks real‑time currency shifts

Pulse Analysis

The U.S. dollar has long been viewed as the world’s default safe‑haven, a status reinforced during periods of geopolitical stress. Historically, conflicts in the Middle East have prompted investors to shift into dollar‑denominated Treasuries, cash, and other liquid assets, driving up yields and reinforcing the currency’s dominance. The current Iran‑U.S. confrontation reignites this pattern, as heightened risk perception pushes capital toward the perceived stability of the greenback, even as the dollar grapples with internal policy debates and inflation concerns.

Beyond the immediate flight to safety, analysts are warning of a more coordinated approach to weaponizing the dollar. Lize de Kruijf of the Atlantic Council’s GeoEconomics Center highlights the emerging discourse around a “Sell America” or “Hedge America” strategy, where state actors could collectively dump dollar assets to undermine U.S. financial markets. Such tactics would represent a shift from traditional sanctions to direct currency pressure, potentially amplifying market volatility and forcing policymakers to reconsider the resilience of the U.S. financial system under coordinated geopolitical attacks.

In response, the Atlantic Council’s Dollar Dominance Monitor offers real‑time tracking of dollar flows, providing investors and policymakers with granular insight into shifting sentiment. By quantifying inflows and outflows across asset classes, the monitor helps gauge the intensity of safe‑haven demand and the effectiveness of any coordinated currency campaigns. As the conflict evolves, market participants will watch these metrics closely, balancing short‑term risk management with longer‑term considerations about the dollar’s role in a multipolar financial landscape.

Original Description

Amid the current conflict in Iran, investors have rushed back into dollar-denominated assets. This comes after a volatile year for the currency, marked by debate over its safe-haven status and speculation about whether a coordinated “Sell America” or "Hedge America" strategy could be used as a tool of geopolitical coercion.
Lize de Kruijf from the Atlantic Council's GeoEconomics Center explains how to interpret the dollar’s safe haven status.

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