Vietcombank sold the greenback at VND26,450, a 0.02% increase from Wednesday. The currency was stable at around VND26,590 on the black market.
The State Bank of Vietnam hiked its rate by 0.02% to VND25,191.
Globally, the U.S. dollar was steady on Thursday, holding its overnight gains, as traders weighed the prospect of a measured Fed easing cycle in the wake of a cautious tone from policymakers while awaiting data that may outline the impact of tariffs, Reuters reported.
The euro last bought $1.17425, steady in early Asian hours after dropping 0.6% in the previous session. Sterling was little changed at $1.3451 after also slipping 0.6% on Wednesday.
The dollar index, which measures the U.S. currency against six other units, was at 97.813, hovering near a three-week high. The index is on the cusp of eking out a gain for the month.
The yen was last at 148.62 per U.S. dollar, inching away from the three-week low it touched on Wednesday, with investors also keeping an eye on who becomes Japan's next prime minister after Shigeru Ishiba's decision earlier this month to step down.
The New Zealand dollar was 0.1% higher at $0.5813 a day after Swedish central banker Anna Breman was named as the next central bank governor, becoming the first woman in the role. The Australian dollar was last bought $0.65905.