Vietnam’s exchange rates were stable on 6 November 2025, with only a marginal adjustment in the official reference rate.
The State Bank of Vietnam (SBV) set the central exchange rate at VND 25,100 per US dollar, up three dong or 0.01 percent from the previous day.
The Google Finance mid-market rate stood at VND 26,310 per US dollar, slightly down 0.05 percent from 26,323 a day earlier.
In the unofficial market, the mid-rate remained unchanged at VND 27,805 per US dollar. Buying and selling rates were stable at VND 27,770 and VND 27,840, respectively.
The gap between the SBV central rate and the black-market mid-rate narrowed slightly to VND 2,705, equivalent to a spread of 10.78 percent, compared with 10.79 percent the day before.
How Low Can the Vietnamese Dong Go? Why It’s Sliding & What Might Happen Next
Vietnam exchange rates, 6 November 2025
| 6 Nov | 5 Nov | Change | % | |
| Black Market: Mid-market | 27,805 | 27,805 | 0 | 0.00% |
| SBV: Central Exchange Rate | 25,100 | 25,097 | 3 | 0.01% |
| Google Finance: Mid Market Rate | 26,310 | 26,323 | -13 | -0.05% |
| Black Market: Buy | 27,770 | 27,770 | 0 | 0.00% |
| Black Market: Sell | 27,840 | 27,840 | 0 | 0.00% |
| Spread: SBV / Black Market MM | 2,705 | 2,708 | -3 | -% |
| Spread: SBV / Black Market MM | 10.78% | 10.79% | – | – |
Open market operations
The SBV conducted open market operations on 6 November with continued liquidity support through multiple repo tenors.
Total repo transactions reached about US$911.4 million across 7-day, 14-day, 28-day, and 91-day terms, while no new Treasury bills were issued.
By tenor, 7-day repos totalled US$208.87 million, 14-day repos US$114.03 million, 28-day repos US$436.47 million, and 91-day repos US$152.03 million.
Vietnam open market operations, 6 November 2025
| 6 Nov | |
| Repos – 7 Days US$ | $208,871,361 |
| Repos – 14 Days US$ | $114,025,200 |
| Repos – 28 Days US$ | $436,470,602 |
| Repos – 91 Days US$ | $152,033,600 |
| T-Bills – 7 Days US$ | 0 |
Interbank interest rates
Vietnam’s interbank interest rates were unchanged on 6 November, reflecting steady liquidity conditions in the banking system.
The overnight rate held at 5.61 percent, while the one-week and two-week tenors remained at 5.85 percent and 5.59 percent, respectively.
Longer maturities were also flat, with the one-month rate at 5.17 percent, three-month at 6.01 percent, six-month at 5.35 percent, and nine-month at 5.10 percent.
Vietnam interbank interest rates, 6 November 2025
| 6 Nov | 5 Nov | |
| Overnight | 5.61 | 5.61 |
| 1 Week | 5.85 | 5.85 |
| 2 Weeks | 5.59 | 5.59 |
| 1 Month | 5.17 | 5.17 |
| 3 Months | 6.01 | 6.01 |
| 6 Months | 5.35 | 5.35 |
| 9 Months | 5.10 | 5.10 |
Right Now, a Weak Dong Could be Good for Vietnam. Here’s Why.