Here's a Billion DXY nugget for all who have an ear to listen: receive: and learn.
The DXY aka Dollar aka GreenBack aka That BULL aka Dolla Dolla will make her Holla : runs US Base Currencies and is Zeus in the markets.
KNOWING this Objective Fact : you can mark up the DXY and trade it against most US Base Pairs especially FX:EURUSD and whichever way the DXY is biased that day then EURUSD will be biased the exact other way within it's own specific buy/sell model and specific buy/sell schematic.