The State Bank of Vietnam (SBV) set the central exchange rate at VND 25,243 per US$1 on 12 August, up 12 dong from the previous day.
The mid-market rate from Google Finance rose to VND 26,270, a 37-dong increase over the day before.
On the black market, the buy rate inched up to VND 26,430 and the sell rate to VND 26,500, narrowing the gap with official rates to 0.74 percent.
Money market operations
Short-term liquidity injections fell sharply. Seven-day repos dropped from US$288.25 million on 11 August to just US$79.12 million.
Fourteen-day repos also eased to US$241.60 million, while 28-day repos plunged to US$12.94 million.
No 91-day repos or T-bill transactions were recorded.
Interbank interest rates
Overnight rates eased to 5.77 percent from 6.6 percent, with one-month rates falling to 5.13 percent.
Most other tenors saw slight declines, although three- and six-month rates edged higher to 5.57 and 5.65 percent respectively.
See also: How Low Can the Vietnamese Dong Go? Why it’s Sliding & What Might Happen Next