In this photo illustration, US 100 dollar bills seen on an American flag.
Igor Golovniov | SOPA Images | LightRocket | Getty Images
The dollar index, which measures the currency against six rivals, edged 0.05% higher to 92.155, after dipping to 91.941 for the first time since Aug. 4 on Friday, when a closely watched U.S. labor report came out much weaker than expected.
The euro was flat at $1.18775 after matching the highest level since June 29 at $1.1909 at the end of last week. The single currency has been supported by expectations the European Central Bank, which meets Thursday, is close to tapering its own stimulus program.
The greenback edged 0.1% higher to 109.79 yen, still meandering in the middle of its trading range of the past two months.