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US Dollar Index

The US Dollar Index is a measure that evaluates the strength of the United States dollar against a basket of major world currencies, primarily comprising the euro, yen, pound sterling, Canadian dollar, Swedish krona, and Swiss franc.


The US dollar index (USDX) measures the performance of the United States dollar against a basket of major world currencies, playing a pivotal role for traders, investors, and economists seeking to understand the global financial landscape.

What is the US dollar index?

The US dollar index calculates a weighted average of the dollar's value in comparison to other major currencies such as the euro, Japanese yen, British pound, Canadian dollar, Swedish krona, and Swiss franc. This index offers insights into the strength or weakness of the dollar relative to these significant currencies.

Factors influencing the US dollar index

Several factors, including economic reports, geopolitical events, interest rates, and monetary policy decisions, impact the value of the USDX. Changes in these factors can significantly influence the dollar's value against other currencies, reflected in the US dollar index.

Importance of the US dollar index

Understanding the USDX is crucial for various market participants. Traders use it to make informed decisions in forex markets, while investors rely on it to assess the dollar's purchasing power. Moreover, governments and central banks closely monitor the USDX to shape their monetary policies.

Using the US dollar index in trading

For traders, the USDX serves as a valuable tool for predicting currency movements. Analyzing trends and patterns within the index can aid in making informed trading decisions in the forex market.

How to interpret the US dollar index

A rising USDX typically indicates the dollar's strength against the basket of currencies, while a declining index signifies a weaker dollar. By analyzing trends and patterns, investors and analysts can make predictions about potential market movements.


The US dollar index stands as a critical barometer in the global financial landscape, offering insights into the dollar's strength against a basket of major currencies. Its impact on markets, trading decisions, and policy-making makes it an indispensable tool for investors, traders, and economists.