Vietcombank sold the greenback 0.08% lower at VND26,080. On the black market the dollar gained 0.19% to VND26,050.
The U.S. dollar churned at the start of trading in Asia on Tuesday as a tepid recovery in investor confidence bolstered higher-yielding currencies, but growing political risk in Europe continued to test traders' nerves, Reuters reported.
The euro was steady at $1.1216, while the British pound rose 0.1% to $1.3308. The Australian dollar was up 0.1% at $0.6986, while its New Zealand counterpart nudged 0.1% higher to $0.5668.