The trend for the reference exchange rate was mixed during the week from May 21 to 25. — Photo kienthuc.net.vn

The State Bank of Viet Nam set the daily reference exchange rate for May 28 at VND22,596 per US dollar, up seven Viet Nam dong from May 25.

With the current trading band of +/-3 per cent, the ceiling rate applied to commercial banks during the day was VND23,273 per US dollar, and the floor rate VND21,929 per US dollar.

Opening hour rates at commercial banks saw big increases. At Vietcombank, buying and selling rates went up 10 Viet Nam dong to VND22,755 per dollar and VND22,825 per dollar, respectively.

The rates listed at BIDV were adjusted up VND20 from May 25, with buying rates standing at VND22,760 per US dollar and selling rates at VND22,830 per US dollar.

Techcombank raised both rates by VND15, listing the buying rate at VND22,735 and the selling rate at VND22,835 per US dollar.

The trend for the reference exchange rate was mixed during the week from May 21 to 25, when the rate opened the week flat, but went up on Tuesday, down on Wednesday, up again on Thursday, and unchanged on the last working day of the week.

The rates listed at commercial banks also fluctuated variably. They were up on Monday, down the next two days and, depending on banks, rose slightly or remained stable in the last two days of the week. — VNS