What is the dollar index, and should beginners watch it?

The DXY measures the dollar against a basket of six currencies, with the euro carrying the most weight. It gives a quick read on dollar strength, but it can mislead because the euro dominates it.

What is the dollar index, and should beginners watch it? — bid-ask spread diagram
The bid-ask spread on a currency pair

Do you use it?

  • how you use the DXY in your routine
  • whether it ever gave you a wrong signal
  • what you'd tell a beginner about it
What is the dollar index, and should beginners watch it? — risk-reward diagram
A risk-reward ratio of 1 to 2

The DXY guide explains the basket and the weights.

Background: The US Dollar Index (DXY) explained: its six currencies and their weights

The ICE US Dollar Index measures the dollar against six currencies, with the euro at 57.6%. How it's calculated, why its 1973 base and fixed weights matter, and how traders use it.

What currencies are in the US Dollar Index?

The euro (57.6%), Japanese yen (13.6%), British pound (11.9%), Canadian dollar (9.1%), Swedish krona (4.2%) and Swiss franc (3.6%).

What does a DXY reading of 100 mean?

The index was set at 100 in March 1973. A reading above 100 means the dollar is stronger against the six-currency basket than it was then; below 100 means weaker.

Read the full guide

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