HANOI, Jan. 5 (Xinhua) -- Vietnam's central bank on Friday adjusted its reference exchange rate between Vietnamese dong and U.S. dollar down by 4 Vietnamese dong to 22,407 Vietnamese dong per U.S. dollar.
With the current trading band of plus or minus 3 percent, the ceiling exchange rate is 23,070 Vietnamese dong per U.S. dollar, and the floor rate is 21,734 Vietnamese dong per U.S. dollar, said the State Bank of Vietnam.
Big commercial banks in Vietnam, including Vietcombank, Vietinbank and BIDV, kept their exchange rates unchanged or almost unchanged on Friday.
The country kept foreign exchange rates fairly stable in 2017. According to Vietnam's National Financial Supervisory Commission, the central exchange rate in late 2017 increased around 1.6 percent against early 2017, while the average rate offered by commercial banks dropped 0.2 percent, and on the free market declined some 1.5 percent.
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