Vietcombank sold the dollar at VND23,690, up 0.21% from Monday.
Techcombank’s rate was at VND23,720, up 0.25%.
ACB maintained its rate at VND23,700, same as Monday.
The greenback is sold at VND23,550 on the black market, down 0.04%.
The State Bank of Vietnam (SBV) raised its reference rate up 0.04% to VND23,621.
The dollar has depreciated against the dong by 0.17% since the beginning of the year.
Globally the dollar eased on Tuesday from its rally at the start of the week, but hovered near a one-month peak as traders raised their forecasts of U.S. Federal Reserve interest rate levels needed to tame inflation, Reuters reported.
Sterling was last 0.27% higher at $1.2054, after tumbling to a one-month low of $1.2006 in the previous session.
The euro gained 0.12% to $1.0739, having slid to $1.0709 in the previous session, the lowest since January 9.