U.S. Dollar Index Fell Slightly in Late Trading

The dollar saw mixed results against major global currencies, impacting how much your money buys abroad.

Updated on Sept. 18, 2026 in Economic Indicators

Bold flat-color editorial illustration of a heavy coin balanced on a steel weight, representing macroeconomic currency valuation. — The U.S. Dollar Index slipped slightly to 100.222 in late New York trading on Tuesday, signaling minor shifts in the greenback's relative global valuation. AI Illustration. Upload story photo >

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Do you feel that changes in the U.S. dollar's value currently impact your household's daily expenses?

The U.S. dollar index declined by 0.03 percent to a value of 100.222 during late trading in New York. This index serves as a benchmark for the greenback against six major foreign currencies.

Why it matters

Currency fluctuations change the cost of imported goods for households and influence the total price of international travel. These shifts reflect how the dollar is currently valued against a basket of global peers.

The U.S. dollar index closed at 100.222, reflecting a 0.03 percent decrease. The dollar moved to 1.1483 per euro and 1.3391 per British pound, while trading at 156.68 Japanese yen.

The details

The dollar index measures the performance of the U.S. dollar against a basket of six major global currencies. When the index moves, it changes the relative cost of foreign goods purchased by U.S. households and affects the conversion rates for international travelers. Individual financial outcomes depend on specific currency pairs and whether a household is buying or selling international assets.

September 18, 2026: The U.S. dollar weakened in late trading.

Money Landscape

The U.S. Dollar Index currency basket provides the standard benchmark for tracking the greenback's daily valuation against six major peers. This daily fluctuation marks a minor movement within the broader context of international currency trading cycles.

Small fluctuations in exchange rates can marginally change the price of imported goods in your local grocery store or online shop. If you are planning international travel, monitor these rates to understand how your purchasing power may change between booking and your departure date.

The takeaway

Currency markets remain dynamic, and even minor daily index moves impact the cost of foreign goods and services for domestic households. It is a good practice to review your budget for upcoming international travel costs if you anticipate needing to convert currency.