The State Bank of Vietnam kept its central exchange rate unchanged at VND 25,221 per US dollar, while the Google Finance mid-market rate edged to 26,402.50.
On the black market, the mid-rate slipped to 26,900 from 26,965, narrowing the spread over the official rate to 6.66 percent from 6.91 percent a day earlier.
Repo activity showed a divergence across maturities.
Seven-day repos held near US$37.9 million, but 14-day repos doubled to US$75.75 million, and 91-day repos jumped sharply to US$354.59 million from just US$37.3 million, suggesting stronger demand for longer-term liquidity. T-bill operations remained inactive.
Interbank interest rates eased slightly at the short end, with overnight down to 4.01 percent and one-week at 4.34 percent.
Longer maturities were mixed: the one-month tenor was steady at 5.02 percent, three-month rose to 5.57 percent, while six-month declined to 5.60 percent.
See also: Right Now, a Weak Dong Could be Good for Vietnam. Here’s Why.