On January 20, in Vietnam, the black market US dollar buy rate was VND 26,500 and the sell rate was VND 26,550, a change of 0 and 0, respectively, for a mid-market rate of VND 26,525, according to Ty Gia USD.
Meanwhile, the State Bank of Vietnam’s central exchange rate was set at VND 25,130, while the Google Finance mid-market rate stood at VND 26,265.
The spread between the SBV’s central exchange rate and black-market mid-market rates was VND 1,395 or 5.55 percent.
Vietnam exchange rates, 20 January 2026
| 20 Jan | 19 Jan | Change | % | |
| Black Market: Mid-market | 26,525 | 26,525 | 0 | 0.00% |
| SBV: Central Exchange Rate | 25,130 | 25,132 | -2 | -0.01% |
| Google Finance: Mid Market Rate | 26,265 | 26,264 | 1 | 0.00% |
| Black Market: Buy | 26,500 | 26,500 | 0 | 0.00% |
| Black Market: Sell | 26,550 | 26,550 | 0 | 0.00% |
| Spread: SBV / Black Market MM | 1,395 | 1,393 | 2 | 0.14% |
| Spread: SBV / Black Market MM | 5.55% | 5.54% | – | – |
Open market operations
The State Bank of Vietnam conducted repo operations worth US$29.35 million for 7 days, US$0.00 million for 14 days, US$0.00 million for 28 days, US$38.07 million for 56 days, US$0.00 million for 91 days, with no 7-day T-bills issued.
Vietnam open market operations, 20 January 2026
| 20 Jan | 19 Jan | |
| Repos – 7 Days US$ | $29,354,274 | $38,075,000 |
| Repos – 14 Days US$ | $0 | $0 |
| Repos – 28 Days US$ | $0 | $0 |
| Repos – 56 Days US$ | $38,073,482 | $38,075,000 |
| Repos – 91 Days US$ | $0 | $0 |
| Total | $67,427,756 | $76,150,000 |
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Interbank interest rates
Vietnam’s interbank interest rates fell across most tenors.
The overnight rate decreased to 3.79 percent (down 0.38 points).
The 1-week rate fell to 4.25 percent, and the 2-week rate fell to 4.91 percent.
The 1-month rate decreased to 6.45 percent, while the 3-month and 6-month rates rose to 7.29 and fell to 8.00 percent respectively.
The 9-month tenor was unchanged at 8.10 percent.
Vietnam interbank interest rates, 20 January 2026
| 20 Jan | 19 Jan | Change | |
| Overnight | 3.79 | 4.17 | -0.38 |
| 1 Week | 4.25 | 4.83 | -0.58 |
| 2 Weeks | 4.91 | 5.17 | -0.26 |
| 1 Month | 6.45 | 6.45 | 0.00 |
| 3 Months | 7.29 | 7.23 | 0.06 |
| 6 Months | 8.00 | 8.00 | 0.00 |
| 9 Months | 8.10 | 8.10 | 0.00 |