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The U.S. dollar index (USDX) is a measure of the value of the U.S. dollar relative to a basket of foreign currencies. The USDX was established by the U.S. Federal Reserve in 1973 after the dissolution of the Bretton Woods Agreement. It is now maintained by ICE Data Indices, a subsidiary of the Intercontinental Exchange (ICE).
The six currencies included in the USDX are often referred to as America's most significant trading partners, but the index has only been updated once: in 1999 when the euro replaced the German mark, French franc, Italian lira, Dutch guilder, and Belgian franc.1 Consequently, the index does not accurately reflect present-day U.S. trade.
The U.S. Dollar Index is used to measure the value of the dollar against a basket of six foreign currencies: the euro, Swiss franc, Japanese yen, Canadian dollar, British pound, and Swedish krona.
The index was established shortly after the Bretton Woods Agreement dissolved in 1973 with a base of 100, and values since then are relative to this base.
The value of the index is a fair indication of the dollar’s value in global markets.
What if you had started investing years ago?
Find out what a hypothetical investment would be worth today.
SELECT A STOCK
TSLA
TESLA INC
AAPL
APPLE INC
NKE
NIKE INC
AMZN
AMAZON.COM, INC
WMT
WALMART INC
SELECT INVESTMENT AMOUNT
$
SELECT A PURCHASE DATE
2 years ago 5 years ago 10 years ago
CALCULATE
The index is currently calculated by factoring in the exchange rates of six foreign currencies, which include the euro (EUR), Japanese yen (JPY), Canadian dollar (CAD), British pound (GBP), Swedish krona (SEK), and Swiss franc (CHF).
The euro is, by far, the largest component of the index, making up 57.6% of the basket. The weights of the rest of the currencies in the index are JPY (13.6%), GBP (11.9%), CAD (9.1%), SEK (4.2%), and CHF (3.6%).2
The index started in 1973 with a base of 100, and values since then are relative to this base. It was established shortly after the Bretton Woods Agreement was dissolved. 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.
An overvaluation of the USD led to concerns over the exchange rates and their link to the way in which gold was priced. President Richard Nixon decided to temporarily suspend the gold standard, at which point other countries were able to choose any exchange agreement other than the price of gold. In 1973, many foreign governments chose to let their currency rates float, putting an end to the agreement.
The U.S. Dollar Index has risen and fallen sharply throughout its history. It reached an all-time high in 1984 at nearly 165. Its all-time low was nearly 70 in 2007. In April 2022, the index was around 100. Over the last six years, the U.S. dollar index has been relatively rangebound between 90 and 100.3
The index is affected by macroeconomic factors, including inflation/deflation in the dollar and foreign currencies included in the comparable basket, as well as recessions and economic growth in those countries.
The contents of the basket of currencies have only been changed once since the index started when the euro replaced many European currencies previously in the index in 1999, such as Germany's predecessor currency, the Deutschemark.
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.4
An index value of 120 suggests that the U.S. dollar has appreciated 20% versus the basket of currencies over the time period in question. Simply put, if the USDX goes up, that means the U.S. dollar is gaining strength or value when compared to the other currencies.
Similarly, if the index is currently 80, falling 20 from its initial value, that implies that it has depreciated 20%. The appreciation and depreciation results are a factor of the time period in question.
The U.S. dollar index allows traders to monitor the value of the USD compared to a basket of select currencies in a single transaction. It also allows them to hedge their bets against any risks with respect to the dollar. It is possible to incorporate futures or options strategies on the USDX.
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.
Learn the Basics of Trading and Investing
Looking to learn more about trading and investing? No matter your learning style, there are more than enough courses to get you started. With Udemy, you’ll be able to choose courses taught by real-world experts and learn at your own pace, with lifetime access on mobile and desktop. You’ll also be able to master the basics of day trading, option spreads, and more. Find out more about Udemy and
The U.S. dollar index (USDX) is a measure of the value of the U.S. dollar relative to a basket of foreign currencies. The USDX was established by the U.S. Federal Reserve in 1973 after the dissolution of the Bretton Woods Agreement. It is now maintained by ICE Data Indices, a subsidiary of the Intercontinental Exchange (ICE).
The six currencies included in the USDX are often referred to as America's most significant trading partners, but the index has only been updated once: in 1999 when the euro replaced the German mark, French franc, Italian lira, Dutch guilder, and Belgian franc.1 Consequently, the index does not accurately reflect present-day U.S. trade.
The U.S. Dollar Index is used to measure the value of the dollar against a basket of six foreign currencies: the euro, Swiss franc, Japanese yen, Canadian dollar, British pound, and Swedish krona.
The index was established shortly after the Bretton Woods Agreement dissolved in 1973 with a base of 100, and values since then are relative to this base.
The value of the index is a fair indication of the dollar’s value in global markets.
What if you had started investing years ago?
Find out what a hypothetical investment would be worth today.
SELECT A STOCK
TSLA
TESLA INC
AAPL
APPLE INC
NKE
NIKE INC
AMZN
AMAZON.COM, INC
WMT
WALMART INC
SELECT INVESTMENT AMOUNT
$
SELECT A PURCHASE DATE
2 years ago 5 years ago 10 years ago
CALCULATE
The index is currently calculated by factoring in the exchange rates of six foreign currencies, which include the euro (EUR), Japanese yen (JPY), Canadian dollar (CAD), British pound (GBP), Swedish krona (SEK), and Swiss franc (CHF).
The euro is, by far, the largest component of the index, making up 57.6% of the basket. The weights of the rest of the currencies in the index are JPY (13.6%), GBP (11.9%), CAD (9.1%), SEK (4.2%), and CHF (3.6%).2
The index started in 1973 with a base of 100, and values since then are relative to this base. It was established shortly after the Bretton Woods Agreement was dissolved. 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.
An overvaluation of the USD led to concerns over the exchange rates and their link to the way in which gold was priced. President Richard Nixon decided to temporarily suspend the gold standard, at which point other countries were able to choose any exchange agreement other than the price of gold. In 1973, many foreign governments chose to let their currency rates float, putting an end to the agreement.
The U.S. Dollar Index has risen and fallen sharply throughout its history. It reached an all-time high in 1984 at nearly 165. Its all-time low was nearly 70 in 2007. In April 2022, the index was around 100. Over the last six years, the U.S. dollar index has been relatively rangebound between 90 and 100.3
The index is affected by macroeconomic factors, including inflation/deflation in the dollar and foreign currencies included in the comparable basket, as well as recessions and economic growth in those countries.
The contents of the basket of currencies have only been changed once since the index started when the euro replaced many European currencies previously in the index in 1999, such as Germany's predecessor currency, the Deutschemark.
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.4
An index value of 120 suggests that the U.S. dollar has appreciated 20% versus the basket of currencies over the time period in question. Simply put, if the USDX goes up, that means the U.S. dollar is gaining strength or value when compared to the other currencies.
Similarly, if the index is currently 80, falling 20 from its initial value, that implies that it has depreciated 20%. The appreciation and depreciation results are a factor of the time period in question.
The U.S. dollar index allows traders to monitor the value of the USD compared to a basket of select currencies in a single transaction. It also allows them to hedge their bets against any risks with respect to the dollar. It is possible to incorporate futures or options strategies on the USDX.
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.
Learn the Basics of Trading and Investing
Looking to learn more about trading and investing? No matter your learning style, there are more than enough courses to get you started. With Udemy, you’ll be able to choose courses taught by real-world experts and learn at your own pace, with lifetime access on mobile and desktop. You’ll also be able to master the basics of day trading, option spreads, and more. Find out more about Udemy and
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