The dollar was rising as it recovers from oversold conditions following a selloff since January, Swissquote Bank analyst Ipek Ozkardeskaya said in a note.
Its recent depreciation reflects rising worries of a U.S. economic slowdown and mounting bets for a possible U.S. recession later this year, she said.
The euro rose above $1.09 earlier this week but failed to extend to the $1.10 psychological mark, held back by overbought conditions, she said.