Dollar at the Crossroads: Trade-Weighted Index at Cycle Highs as FOMC and Tariffs Reshape FX Regime

The trade-weighted U.S. dollar hit 120.71 on July 24 (FRED DTWEXBGS), up 23% since the start of 2026 from 98.20. That is one of the fastest six-month appreciations outside an outright crisis in three decades. Three forces are converging at once: the Fed holding rates at 3.50-3.75% while other central banks have paused or cut, safe-haven demand from the US-Iran conflict keeping oil above $100 per barrel, and a tariff regime that structurally increases global demand for dollars to service U.S. import obligations. What makes this move different from past dollar surges is that all three engines are running simultaneously with no obvious near-term shutdown. Key Takeaways The FRED trade-weighted d…