Unofficial exchange points sold the greenback at VND25,820, up 0.47% from Monday.
Vietcombank kept its rate stable at VND25,464.
The State Bank of Vietnam’s reference rate was steady at VND24,252.
The dollar has risen 4.19% against the dong since the beginning of the year.
Globally the dollar drifted not far from a three-month high with one of the Federal Reserve's preferred employment gauges - the JOLTS job openings report - due on Tuesday, ahead of highly anticipated monthly non-farm payrolls data on Friday. U.S. Treasury yields eased from three-month peaks, Reuters reported.
The dollar was little changed against a basket of six major peers, which includes the yen and euro. The dollar index stood at 104.24, after reaching 104.57 overnight, matching the high from Wednesday of last week, a level previously not seen since July 30.