US Dollar Index: Definition, Formula, and Historical Data

The US Dollar Index enables traders to monitor and trade one of the strongest currencies in the world, Dollar, relative to several foreign currencies in the US trade basket. While forex trading tends to be more geared toward the buying and selling of individual currencies rather than indexes, some foreign exchange brokers allow actual trading of the Dollar Index as well. Some U.S. brokers now allow avatrade review their customers to hold cash in other currencies as well, offering another alternative for investors who want to diversify away from the dollar. Then-President Richard Nixon effectively ended this agreement in the early 1970s when he announced the dollar would no longer be based on gold. From there, countries were free to “float” their currencies and allow markets to determine their value.

Index futures can react to both national and international economic data, as well as other reports that relate to the strength of the dollar or other currencies. Supply and demand for currencies is heavily influenced by the monetary policies – particularly the interest rates – set by the central bank in each country. Other factors include inflation, economic performance, credit ratings, market sentiment and foreign affairs. Professional investors use futures and options contracts to invest in the Dollar index. ICE offers dollar index futures for trading 21 hours a day on their platform. The exchange also offers USDX options contracts with six different expiration dates, ranging from one month to one year in the future.

Dollar Index includes the dollar’s relative value compared to a basket of foreign currencies. Initially, it included the Japanese yen, British pound, Canadian dollar, Swedish krona, Swiss franc, West German mark, French franc, Italian lira, Dutch guilder, and Belgian franc. The U.S. Dollar Index (USDX) is a relative measure of the U.S. dollars (USD) strength against a basket of six influential currencies, including the Euro, Pound, Yen, Canadian Dollar, Swedish Korner, and Swiss Franc.

  1. The Fed’s top priority in 2022 has been bringing down inflation from multi-decade highs, and its best weapon has been raising interest rates.
  2. At Bankrate we strive to help you make smarter financial decisions.
  3. The currencies in the Index can be replaced as and when the US trading partners change.
  4. As part of the agreement, participating countries settled their balances in U.S. dollars (which was used as the reserve currency), while the USD was fully convertible to gold at a rate of $35/ounce.
  5. For investors wanting an alternative, the Federal Reserve has created a trade-weighted measurement of the dollar with a different set of underlying currencies.
  6. Over the last several years, the U.S. dollar index has been relatively rangebound between 90 and 110.

The content created by our editorial staff is objective, factual, and not influenced by our advertisers. There are several popular exchange-traded funds (ETFs) that track the USDX. UUP has more than $2 billion in assets under management and is extremely liquid, averaging more than 4.1 million shares of daily trading volume. Dollar Index (USDX), which helps investors understand the relative strength of the dollar.

How Do You Calculate the USDX Index Price?

The Euro and Pound are the base currency for the two others, with these given a negative value. ICE provides live feeds for Dow Futures that appear on and CNN Money. Dollar markets are open, which is from Sunday evening New York City local time (early Monday morning Asia time) for 24 hours a day to late Friday afternoon New York City local time. For the major indices on the site, this widget shows the percentage of stocks contained in the index that are above their 20-Day, 50-Day, 100-Day, 150-Day, and 200-Day Moving Averages.

The offers that appear on this site are from companies that compensate us. But this compensation does not influence the information we publish, or the reviews that you see on this site. We do not include the universe of companies or financial offers that may be available to you. The shifting narrative is now phasing the dollar out of investor sight as markets are eager to get first signs of rate cuts.

Investors are solidifying their expectations that the Federal Reserve won’t tweak rates to the upside any time soon. The dollar index powered higher earlier today as quiet trading has lifted the dollar’s value by 1.5% in seven days. The WisdomTree Bloomberg US Dllr Bullish ETF (USDU) is another dollar fund that tracks the Bloomberg Dollar Total Return Index, an alternative to the dollar index. USDU is smaller and less liquid than UUP, but it charges a lower expense ratio of just 0.5%, compared to 0.77% for UUP. Traders should make sure they fully understand how these derivative contracts work and the risks involved before they buy. “Until dollar strength abates, we fail to see the catalyst for a sustainable recovery in global risk assets,” Lynch says.

How To Invest in the U.S. Dollar Index

In the past year, the USDX has climbed 17.3% from around 94 to above 110. John Lynch, chief investment officer for Comerica Wealth Management, says the rapid strengthening of the dollar in 2022 has a number of causes that pose big challenges for investors and central banks around the world. The US Dollar Index was started by the Federal Reserve in 1973 and has been managed by ICE Futures US since 1985. The Barchart Technical Opinion widget shows you today’s overally Barchart Opinion with general information on how to interpret the short and longer term signals.

US stock markets have been in long-term uptrends since the end of last October. I don’t see Wednesday’s Federal Reserve announcement changing that fact. In this technical blog we’re going to take a quick look at the Elliott Wave charts of Dollar Index. As our members know, ($DXY) has recently given us correction against the… A Dollar Index CFD allows you to trade the Index without actually owning it. You sign a contract with the broker who enables you to buy as many units of the Dollar Index as you wish and sell them at a later date.

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For instance, the Invesco DB U.S. Dollar Index Bullish Fund (UUP) is an ETF that tracks the changes in value of the US dollar via USDX future contracts. The Wisdom Tree Bloomberg U.S. Dollar Bullish Fund (USDU) is an actively-managed ETF that goes long the U.S. dollar against a basket of developed and emerging market currencies. In the coming years, it is likely currencies will be replaced as the index strives to represent major U.S. trading partners. It is likely in the future that currencies such as the Chinese yuan (CNY) and Mexican peso (MXN) will supplant other currencies in the index due to China and Mexico being major trading partners with the U.S. On the negative side, Dec existing home sales unexpectedly fell -1.0% m/m to a 13-year low of 3.78 million versus expectations of a +0.3% m/m increase to 3.83 million. Conversely, the University of Michigan U.S. Jan consumer sentiment index rose +9.1 to a 2-1/2 year high of 78.8, stronger than expectations of 70.1.

How the Dollar Index works and what currencies are in it

These financial products currently trade on the New York Board of Trade. Investors can use the index to hedge general currency moves or speculate. The index is also available indirectly as part of exchange-traded funds (ETFs) or mutual funds.

Dollar Index Formula

On the other hand, if the US economic factors are not positive, the value of the currency is negatively impacted in the forex market, decreasing the value of the US Dollar Index. The Dollar Index launched in March 1973 at a starting price of 100 and has operated since then tracking the fluctuations of the currency over the decades. There are also numerous trading products linked to the Dollar Index. This allows investors to hedge their exposure to the value of the dollar in a single transaction. Speculators can also use these products to make bets on future appreciation or depreciation of the dollar using a broadly-accepted and widely-quoted benchmark.

Analysts use it for longer-term studies such as tracking correlations between the value of the dollar and various other assets. And investors can buy financial products which track the value of the Dollar Index. For investors wanting an alternative, the Federal Reserve has created a trade-weighted measurement of the dollar with a different set of underlying currencies. However, it has not gained the same level of mainstream popularity as the older Dollar Index. is an independent, advertising-supported publisher and comparison service. We are compensated in exchange for placement of sponsored products and services, or by you clicking on certain links posted on our site.


At Bankrate we strive to help you make smarter financial decisions. While we adhere to strict
editorial integrity,
this post may contain references to products from our partners. A strong dollar means other global currencies have been relatively weak, which Lynch says exacerbates inflationary pressures and financial market volatility.

Whenever the US Dollar appreciates against these currencies, the index’s price increases and provides traders more significant trading opportunities. Other notable exclusions include the Australian dollar, Hong Kong dollar, the Singaporean dollar, and the Indian rupee. There is a decent argument that the Dollar Index should be updated to more closely reflect modern economic and trade flow developments. However, the index has already gained a great deal of popularity and thus has become entrenched as a popular barometer for tracking the dollar’s value.


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