The dollar fell against major currencies as Republican Donald Trump held a narrow lead over Democrat Hillary Clinton in the Presidential elections.
The dollar was recently down 2.81% against the yen at ¥102.20, having earlier touched its lowest point since August 2014.
It also plunged against the euro, with one euro buying $1.1231, a rise of 1.76%. Earlier, the European currency hit the highest point since late August.
And the U.S. currency lost ground to the beleaguered pound, which was recently up 0.77% at $1.2474, having hit its highest point in more than a month.
Against the Swiss franc the dollar was down 1.74% at $0.9609.
But the dollar surged against the Mexican peso and was recently up 9.89% at 20.1346 pesos, close to a record high.
And it rose sharply against the Canadian and Australian dollar as the price of commodities including oil fell.