"The holiday has already shut several markets, and those that are open are lightly traded," Marc Chandler, chief market strategist at Bannockburn Global Forex in New York, said in a note.The dollar index, which measures the greenback against six other major currencies, was up 0.02% at 97.674.
However, a recent cooling of trade-related tensions between the United States and China, following an interim trade agreement earlier this month, has led investors to favour trade-sensitive currencies over the greenback. The Canadian dollar was trading 0.13% lower against the greenback at 1.316 to the U.S. dollar, or 75.96 U.S. cents, a day after data showed Canada's economy unexpectedly shrank by 0.1% in October.
Sterling was up 0.2% at $1.2959. The pound, which surged after Boris Johnson's Conservative Party won a majority in the UK general election on Dec. 12, has given up all those gains and some more.