Vietnam’s central exchange rate was fixed at 25,191 on 21 July, up 6 dong from 18 July, according to State Bank of Vietnam data.
The unofficial market premium widened further, with black market mid-rates from tygiausd.org reaching 26,410 compared to Google Finance’s 26,155, a 0.97 percent difference—up from 0.86 percent just three days earlier.
Key details:
- SBV exchange rate: Rose slightly from 25,185 to 25,191
- Google Finance mid-market rate: Fell slightly from 26,160 to 26,155
- Black market rate: Rose from 26,385 to 26,410
- Black market premium: Now 255 dong over the official mid-market rate
- 7-day repo activity: Slowed to US$146 million from US$303 million
- 14-day repo activity: Eased slightly to US$632.6 million
- 91-day repos: Fell to zero from US$66 million
- T-bills (7-day): Remained inactive at US$0
- Interbank rates: Mixed trends, with overnight dropping to 5.01 percent and 1-month rising to 4.67 percent
The widening gap between official and black market exchange rates signals ongoing dong depreciation pressure, while declining repo volumes suggest the SBV is cautiously tightening short-term liquidity—likely aiming to stabilise the currency without fuelling inflation.
See also: How Low Can the Vietnamese Dong Go? Why it’s Sliding & What Might Happen Next