The Vietnamese dong weakened marginally on the informal market on November 3, while the State Bank of Vietnam (SBV) kept the official central rate unchanged.
The black market mid-rate slipped 50 dong to VND 27,775 per US$1, while buy and sell rates both eased by 50 dong to VND 27,750 and VND 27,800, respectively.
The SBV central rate remained steady at VND 25,093 per US$1, while the Google Finance mid-rate edged up slightly to VND 26,313.
As a result, the spread between the central rate and the black market mid-rate narrowed to VND 2,682, equivalent to 10.69 percent, from 10.89 percent at the end of October.
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Vietnam exchange rates, 3 November 2025
| 3 Nov | 31 Oct | Change | % | |
| Black Market: Mid-market | 27,775 | 27,825 | -50 | -0.18% |
| SBV: Central Exchange Rate | 25,093 | 25,093 | 0 | 0.00% |
| Google Finance: Mid Market Rate | 26,313 | 26,307 | 6 | 0.02% |
| Black Market: Buy | 27,750 | 27,800 | -50 | -0.18% |
| Black Market: Sell | 27,800 | 27,850 | -50 | -0.18% |
| Spread: SBV / Black Market MM | 2,682 | 2,732 | -50 | -% |
| Spread: SBV / Black Market MM | 10.69% | 10.89% | – | – |
Open market operations
Not available at time of publication.
Vietnam open market operations, 3 November 2025
Not available at time of publication.
Interbank interest rates
Vietnam’s interbank market saw short-term lending rates decline on November 3, indicating improved system liquidity at the start of the month.
The overnight rate fell nearly 1 percentage point to 3.20 percent, the lowest in over a week, while the one-week and two-week tenors dropped to 4.47 and 5.14 percent, respectively.
The one-month rate also eased to 5.13 percent, while longer terms were mixed: three-month rates edged up to 5.91 percent, and six-month fell sharply by 1.10 points to 5.00 percent.
The nine-month tenor held steady at 5.10 percent.
Vietnam interbank interest rates, 3 November 2025
| 3 Nov | 31 Oct | Change | |
| Overnight | 3.20 | 4.17 | -0.97 |
| 1 Week | 4.47 | 4.77 | -0.30 |
| 2 Weeks | 5.14 | 5.38 | -0.24 |
| 1 Month | 5.13 | 5.57 | -0.44 |
| 3 Months | 5.91 | 5.67 | 0.24 |
| 6 Months | 5.00 | 6.10 | -1.10 |
| 9 Months | 5.10 | 5.10 | 0.00 |
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