The dollar fluctuated not far from a four-month top on Tuesday, enjoying support from benchmark 10-year Treasury yields and upbeat perspectives for the U.S. economy, leaving its main peers such as the euro wobbling.
The dollar index edged up 0.1 percent to 92.864 after hitting 92.974 overnight, its top since Dec. 28.
The greenback was little changed at 109.090 yen after jumping as high as 109.400 overnight.
The euro traded at $1.1920 after slumping to $1.1897 in the previous session, its trough in more than four months.
The Aussie lost 0.25 percent to $0.7498 after the publication of sluggish internal retail sales figures for March.
The New Zealand dollar was virtually unchanged at $0.7017.
Bitcoin sank 1.9 percent to $9,363.28 on Monday.