The State Bank of Vietnam set the daily reference exchange rate for the US dollar at 23,198 VND/USD on July 13. (Source: VNA)

With the current trading band of +/-3 percent, the ceiling rate applicable to commercial banks during the day is 23,893 VND/USD and the floor rate 22,502 VND/USD.

The opening-hour rates at all commercial banks decreased.

At 8:27am, Vietcombank listed the buying rate at 23,220 VND/USD and the selling rate at 23,530 VND/USD, both down 10 VND from July 12.

BIDV also kept both rates unchanged, listing at 23,240 VND/USD (buying) and 23,520 VND/USD (selling).