On December 10, in Vietnam, the black market US dollar buy rate was VND 27,100 and the sell rate was VND 27,150, for a mid-market rate of VND 27,125, according to Ty Gia USD.
Meanwhile, the State Bank of Vietnam’s central exchange rate was set at VND 25,155, while the Google Finance mid-market rate stood at VND 26,357.
The spread between the SBV’s central exchange rate and black-market mid-market rates was VND 1,970 or 7.83 percent.
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Vietnam exchange rates, 10 December 2025
| 10 Dec | 9 Dec | Change | % | |
| Black Market: Mid-market | 27,125 | 27,125 | 0 | 0.00% |
| SBV: Central Exchange Rate | 25,155 | 25,155 | 0 | 0.00% |
| Google Finance: Mid Market Rate | 26,357 | 26,365 | -9 | -0.03% |
| Black Market: Buy | 27,100 | 27,100 | 0 | 0.00% |
| Black Market: Sell | 27,150 | 27,150 | 0 | 0.00% |
| Spread: SBV / Black Market MM | 1,970 | 1,970 | 0 | 0.00% |
| Spread: SBV / Black Market MM | 7.83% | 7.83% | – | – |
Open market operations
The State Bank of Vietnam conducted repo operations worth US$0.00 million for 7 days, US$0.00 million for 14 days, US$113.82 million for 28 days, US$56.43 million for 91 days, with no 7-day T-bills issued.
Vietnam open market operations, 10 December 2025
| 10 Dec | 9 Dec | |
| Repos – 7 Days US$ | $0 | $49,933,033 |
| Repos – 14 Days US$ | $0 | $385,332,225 |
| Repos – 28 Days US$ | $113,821,500 | $280,289,202 |
| Repos – 91 Days US$ | $56,430,423 | $113,787,600 |
| Total | $170,251,923 | $829,342,060 |
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Interbank interest rates
Vietnam’s interbank interest rates rose across most tenors.
The overnight rate increased to 7.49 percent (up 0.12 points).
The 1-week rate rose to 7.60 percent, and the 2-week rate rose to 7.49 percent.
The 1-month rate decreased to 6.05 percent, while the 3-month and 6-month rates rose to 7.30 and rose to 7.50 percent respectively.
The 9-month tenor was unchanged at 6.52 percent.
Vietnam interbank interest rates, 10 December 2025
| 10 Dec | 9 Dec | Change | |
| Overnight | 7.49 | 7.37 | 0.12 |
| 1 Week | 7.60 | 7.09 | 0.51 |
| 2 Weeks | 7.49 | 7.35 | 0.14 |
| 1 Month | 6.05 | 6.98 | -0.93 |
| 3 Months | 7.30 | 7.21 | 0.09 |
| 6 Months | 7.50 | 6.48 | 1.02 |
| 9 Months | 6.52 | 6.52 | 0.00 |