Unofficial exchange points sold the greenback at VND24,720, down 0.08% from Friday.
Vietcombank kept the dollar steady at VND24,400.
The State Bank of Vietnam’s reference rate was stable at VND23,915.
The dollar has increased against the dong by 2.82% since the beginning of the year.
Globally the dollar index edged down on Friday, hitting a near five-month low as data showed annual U.S. inflation slowed further below 3% in November, cementing market expectations for a U.S. interest rate cut next March, Reuters reported.
The dollar index was last down 0.08 % at 101.7, after dipping as low as 101.42, its lowest since late July.