Vietcombank sold the dollar at VND23,740 Friday, up 0.47% from Thursday.
Eximbank sold the greenback at VND23,720, up 0.42%.
The rate at Techcombank is VND23,730, up 0.25%.
The State Bank of Vietnam’s reference rate is at VND23,650, down 0.01%.
The greenback is sold at VND24,035 on the black market, down 0.39%.
The dollar has gained over the dong by 3.58% since the beginning of the year.
The U.S. Dollar Index, which measures the greenback’s strength against major currencies, has fallen 4.92% in the last three months to around 104.37 points.