Unofficial exchange points sold the greenback at VND23,570, up 0.08% from Thursday.
Vietcombank kept the rate unchanged at VND23,620.
Eximbank sold the greenback at VND23,570, down 0.30%.
The rate at Techcombank is VND23,625, down 0.04%.
The State Bank of Vietnam (SBV)’s reference rate inched up by 0.013% to VND23,608.
The greenback has fallen against the dong by 0.46% since the beginning of the year.
The U.S. Dollar Index, which measures the greenback’s strength against major currencies, went up 0.17% to 101.97 points.