Vietcombank sold the greenback at VND26,408, a 0.004% dip from Thursday. On the black market, the currency slid 0.05% to around VND27,402.
The State Bank of Vietnam lowered reference rate by 0.004% to VND25,151.
Globally, the U.S. dollar languished not far from a five-week low against its major peers on Friday as investors braced for a Federal Reserve rate cut next week, Reuters reported.
The dollar index, which measures the currency against six major rivals, was flat at 99.065 early in Asia. The index had earlier dipped to a five-week low of 98.765 and remains on course for a 0.4% decline this week.
The dollar was little changed at 155.18 yen. The euro was flat at $1.1647 and sterling held firm at $1.3326 after easing back from a six-week peak in the previous session.
The Aussie was stable at $0.6609 after jumping to a two-month high of $0.6624 on Thursday. Canada's loonie was little changed at C$1.3961 per greenback, while the Swiss franc was steady at 0.8035 per dollar after dropping back sharply from Wednesday's two-week high of 0.7992 in the overnight session.
The dollar has come under additional pressure in recent days with investors also weighing the prospect of White House economic adviser Kevin Hassett taking over as Fed Chair after Jerome Powell’s term ends in May. Hassett is expected to push for more rate cuts.