U.S. Dollar Index Fell In Late Trading

The dollar index weakened slightly on September 18, 2026, amid mixed results against a basket of six major global currencies.

Updated on Sept. 18, 2026 in Economic Indicators

Isometric editorial illustration of a solid metallic weight block resting on a flat surface, symbolizing economic stability and currency metrics. — The U.S. dollar index declined by 0.03 percent to 100.222 on September 18, 2026, marking a mixed session against a basket of six major global peers. AI Illustration. Upload story photo >

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The U.S. dollar index declined 0.03 percent to close at 100.222 in late trading. This movement occurred as the greenback saw varied performance against several international currencies.

Why it matters

The dollar index serves as a primary benchmark for tracking the greenback against six major peers, providing insight into global currency strength. Its fluctuation impacts international purchasing power and trade dynamics for the U.S. economy.

The U.S. dollar index fell 0.03 percent to a final value of 100.222. Exchange rates shifted to 1.1483 per euro, 1.3391 per British pound, 156.68 per Japanese yen, 0.8221 per Swiss franc, 1.3993 per Canadian dollar, and 9.8333 per Swedish kronor.

The details

Trading in New York reflected a mixed session for the U.S. currency as it moved against six major foreign peers. While the dollar saw gains against the Canadian dollar and Swedish kronor, it experienced depreciation against other tracked currencies.

September 18, 2026: The U.S. dollar index saw a decline during late trading.

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Macro View

This daily shift follows the standard volatility patterns defined by the Federal Reserve's Dollar Index (DXY) composition. Modern currency movements continue to mirror historical cycles of fluctuation against the six major global peers included in the index.

A weaker dollar can increase the cost of imported goods for American consumers, potentially influencing household grocery and electronics budgets. Conversely, it may improve the competitive pricing of U.S. exports in the international marketplace.

The takeaway

Currency index fluctuations highlight the interconnected nature of global markets and their impact on purchasing power. Readers should monitor these movements to understand how shifts in valuation may alter the cost of goods and services over time.