Vietcombank sold the greenback at VND25,370, up 0.79% from Wednesday, highest since Aug. 3.
The State Bank of Vietnam raised its reference rate by 0.05% to VND24,199.
Unofficial exchange points sold the greenback at VND25,360, up 0.04%.
Globally the Australian dollar charged higher on Thursday after employment numbers beat forecasts for a sixth month, while the dollar held near an 11-week high as it drew additional support from a potential Trump win at the upcoming U.S. election, Reuters reported.
The onshore yuan was steady at 7.1179 per dollar as officials were speaking, while its offshore counterpart was last 0.14% higher at 7.1261 per dollar.
The dollar index was last steady at 103.47, having peaked at 103.60 in the previous session.