A so-called ichimoku chart on a weekly basis shows traders may halt buying the U.S. currency before it reaches 110.66, which is a seven-month high set on Aug. 15 and near the lower end of the ichimoku cloud, he said.

``The dollar's upside should be very limited from this stage,'' said Umemoto, chief currency strategist in Tokyo at the unit of Britain's third-biggest bank.