Reserves and the dollar: what's the structure?

Central banks hold reserves in dollars and other currencies, and the composition shifts slowly. The reserve system is the dollar's structural foundation — and a long-term story.

Discuss:

  • how reserve flows support the dollar
  • the diversification signals you watch
  • when this structural story becomes a trading story

Background: the dollar index and the forex market's size.

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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