They can only hold that postion if they are infallible. Everyones perception of the us dollar is changing.

Satosora

I think if we now add the ECB into the puzzle, that the major central banks are trying to coordinate to get out of this mess. so I think it will go back and forth. but the Americans will of course hold the geopolitical leverage

TomK

econ

Will the yen's crash now be followed by a chain reaction?

True, but that was the case last year around the time when the regional banks were failing, and I believe the BOJ intervened right in the middle of the mess. 