US Dollar USDX Index (DXY) reached its highest quote on Sep 28, 2022 — 114.725 USD. See more data on the US Dollar USDX Index (DXY) chart.
The lowest ever quote of US Dollar USDX Index (DXY) is 89.156 USD. It was reached on Jan 6, 2021. See more data on the US Dollar USDX Index (DXY) chart.
US Dollar USDX Index (DXY) is just a number that lets you track performance of the instruments comprising the index, so you can't invest in it directly. But you can buy US Dollar USDX Index (DXY) futures or funds or invest in its components.