The story of central banks shifting out of dollars has been a problem for the dollar. But the Fed has been aggressive and U.S. interest rates are rapidly going up. So the cost is getting high to shift out of dollars.

There's been a lot of talk in the market that from now on we will see a return to structural fundamentals, away from interest rate arguments.

Much of the dollar's move is coming from uncertainty as to what is going to happen with the Fed, ... There is speculation the Fed can pause, or they will raise rates but release a fairly dovish statement, putting rate hikes after September in doubt.