With the current trading band of +/- 3 percent, the ceiling rate applied to commercial banks during the day is 23,328 VND/USD and the floor rate 21,970 VND/USD.
The opening hour rates at commercial banks dropped strongly from July 25.
Vietcombank cut both rates by 40 VND to 23,160 VND/USD (buying) and 23,240 VND/USD (selling).
The rates listed at BIDV fell by 45 VND to 23,150 VND/USD (buying) and 23,230 VND/USD (selling).
Meanwhile at Techcombank, the buying rate was adjusted down 40 VND to 23,140 VND/USD and the selling rate down 50 VND to 23,240 VND/USD.
This week, the reference exchange rate opened the week down 16 VND but then turned around to rise on Tuesday. It remained unchanged on the next day and decreased on Thursday.