Vietcombank kept the greenback stable at VND26,140. The currency was also firm at VND26,500 on the black market.
The State Bank of Vietnam also maintained its reference rate at VND24,973.
Globally, the U.S. dollar steadied on Wednesday following its biggest decline in more than three weeks overnight, with cooler-than-expected U.S. consumer inflation data bolstering the case for Federal Reserve easing just as global trade tensions cool, Reuters reported.
The U.S. dollar index, which measures the currency against six major peers, edged down 0.1% to 100.87, following a 0.8% slide on Tuesday.
The index had jumped 1% on Monday and touched a one-month peak on optimism that a de-escalation in U.S.-China trade tensions would avert a potential global recession.
"Beyond the modest Q2 USD bounce, we see another 5% move lower in the USD in H2 as global investors think about diversifying away from U.S. assets given continued uncertainty and volatility" surrounding U.S. policy, TD Securities strategists wrote in a research note.
The dollar gained 0.24% to 7.2122 yuan in offshore trading, after dipping to a six-month trough at 7.1791 yuan on Tuesday.
However, the U.S. currency dropped 0.41% to 146.89 yen, extending Tuesday's 0.66% slide. The dollar slipped 0.1% to 0.8384 Swiss franc. The euro and sterling were little changed at $1.1191 and $1.3307, respectively.