The yen traded near an eight-month low versus the dollar on Tuesday, while the euro held steady as investors awaited meetings of the Bank of Japan and European Central Bank amid a slightly improving backdrop for global growth.
The yen was little changed at 110.17 per dollar on Tuesday, close to its lowest since May 2019.
Against the dollar, the euro traded at $1.1096. The common currency was also quoted at 85.34 pence.
The dollar index against a basket of six major currencies stood at 97.606, near the highest level in a month.
Elsewhere in currencies, the Australian dollar was little changed at $0.6876 before labor market data on Thursday that could help determine whether the Reserver Bank of Australia lowers rates at a meeting on Feb. 4.
The New Zealand dollar was also steady at $0.6609 as traders braced for the release of consumer price data on Friday.