What is the US Dollar Index (DXY)?

The DXY measures the value of the US dollar against a basket of six major currencies: the euro, Japanese yen, British pound, Canadian dollar, Swedish krona, and Swiss franc.

What moves the Dollar Index?

The DXY is driven mainly by US interest-rate expectations, US growth and inflation relative to other economies, and safe-haven flows into or out of the dollar.

What is the DXY made up of?

The index is weighted heavily toward the euro (around 58%), followed by the yen, pound, Canadian dollar, krona, and Swiss franc — so EUR/USD moves dominate it.

NewsPips AI

US Dollar Index (DXY) news & analysis

The US Dollar Index (DXY) measures the value of the US dollar against a basket of major world currencies.

Why is the US Dollar Index up or down today?

The US Dollar Index is trading near 100.35 with focus on Federal Reserve speeches and weekly ADP figures. Headlines point to a hawkish Fed outlook, with policymaker comments on strong demand and inflation, discussion of sustained rate pressure and a possible new tightening cycle, plus oil-related support and a Bank of Japan rate increase framing a broader global tightening backdrop.

Updated Sep 21, 19:33 UTC

Latest news

Forex Today: Fedspeak takes centre stage alongside weekly ADP figures
www.fxstreet.com · Sep 21, 17:45 UTC
A new Fed tightening cycle may have just begun. If that’s the case, buckle up
www.cnbc.com · Sep 21, 13:13 UTC
US Dollar: Oil-driven support as Fed seen hiking – ING
www.fxstreet.com · Sep 21, 12:48 UTC
Fed policymaker Goolsbee warns strong demand may be fueling US inflation as rate hike outlook hardens
investinglive.com · Sep 21, 10:50 UTC
US Dollar Index: Trades firmly near 100.35 ahead of Fed speeches
www.fxstreet.com · Sep 21, 07:33 UTC
United States Dollar Index holds firm on hawkish Fed outlook
www.fxstreet.com · Sep 21, 03:18 UTC
Bank of Japan lifts rates as global tightening cycle takes shape
www.hellenicshippingnews.com · Sep 20, 21:00 UTC
Fed rate hike points to sustained rate pressure and stronger dollar, says GlobalData
www.hellenicshippingnews.com · Sep 20, 19:56 UTC

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2026-09-21 — 1-y Loan Prime Rate · forecast 3.00% · CNY
2026-09-21 — 5-y Loan Prime Rate · forecast 3.50% · CNY
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Frequently asked questions

What is the US Dollar Index (DXY)?: The DXY measures the value of the US dollar against a basket of six major currencies: the euro, Japanese yen, British pound, Canadian dollar, Swedish krona, and Swiss franc.
What moves the Dollar Index?: The DXY is driven mainly by US interest-rate expectations, US growth and inflation relative to other economies, and safe-haven flows into or out of the dollar.
What is the DXY made up of?: The index is weighted heavily toward the euro (around 58%), followed by the yen, pound, Canadian dollar, krona, and Swiss franc — so EUR/USD moves dominate it.
Why is the US Dollar Index up or down today?: The US Dollar Index moves on the day's US interest-rate expectations and on how US data compares with the rest of the world, plus safe-haven flows. For the specific reason behind today's move, see the analysis at the top of this page.

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Not investment advice. For informational purposes only.

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