USD/CHF and DXY mending their broken relationship USD/CHF and DXY mending their broken relationship Joe Perry March 3, 2021 4:06 PM If the strong correlation between USD/CHF and DXY deteriorates again, it may be a warning that something bigger is brewing. Share: The Swiss Franc and the US Dollar Index (DXY) have been highly correlated this year, with a correlation coefficient above +0.90 for most of the year. The correlation coefficient of +1.00 indicates a perfect correlation, indicating that the 2 assets move perfectly together. A reading above +0.90 is pretty close! However, early last week, the correlation broke down as the Swiss Franc and the DXY both began to move lower (USD/CHF higher!). That correlation broke down on February 23