HANOI, Aug. 29 (Xinhua) -- Vietnam's central bank on Wednesday adjusted its reference exchange rate between Vietnamese dong and U.S. dollar down by 5 Vietnamese dong to 22,673 Vietnamese dong per U.S. dollar.
With the current trading band of plus or minus 3 percent, the ceiling exchange rate is 23,353 Vietnamese dong per U.S. dollar, and the floor rate is 21,993 Vietnamese dong per U.S. dollar, said the State Bank of Vietnam.
Meanwhile, listed rates at big commercial banks in Vietnam remained unchanged from Tuesday. Both Vietcombank and BIDV maintained the rates at 23,255 Vietnamese dong per U.S. dollar for buying and 23,335 Vietnamese dong for selling.
Last week, the reference exchange rates saw two ups and three downs with total magnitude of 14 Vietnamese dong and 15 Vietnamese dong, respectively.
According to the central bank, as of June 11, the reference exchange rate rose 0.63 percent against the end of 2017, while the average rate offered by commercial banks advanced 0.47 percent.