Vietcombank sold the greenback 0.004% higher at VND26,381.
On the black market the dollar went up 0.19% to VND26,700.
Globally the U.S. dollar held on to overnight gains against major peers after President Donald Trump withdrew a threat to impose tariffs on a number of European NATO nations, trumpeting the framework of a deal with NATO over control of Greenland, Reuters reported.
That put the safe-harbor Swiss franc on the back foot, retreating sharply from a three-week high, while gold sank from an all-time peak.
The U.S. dollar held steady at $1.1685 per euro on Thursday, following a 0.3% rebound in the prior session. It was flat at 0.7953 Swiss franc after leaping 0.7% overnight.
The yen was steady against most major peers in Asian trading, but at 184.83 a euro, it did not stray far from the record low of 185.56 touched last week.
The Japanese currency changed hands at 158.31 a U.S. dollar, near last week's 18-month trough of 159.45.