The dollar was steady against the euro and yen on Monday as investors look ahead to central bank meetings with the U.S. Federal Reserve due to conclude a two-day meeting on Wednesday and the Bank of Japan due to meet on Friday.
The dollar has gained against major currencies in recent weeks as better-than-expected economic data revives expectations that the Fed will raise interest rates again this year.
At the same time, Japanese and European central banks are seen as adopting more stimulative policies in an effort to stave off deflation and generate growth.
Bank of Japan Governor Haruhiko Kuroda said on Saturday he would ease policy further if necessary to achieve its 2 percent inflation goal.
"The risk is that the market's disappointed in one fashion or another with the BOJ," said Marc Chandler, global head of currency strategy at Brown Brothers Harriman in New York. "Expectations are strong enough that if they don't do anything, the yen's going to strengthen."