In the context China-US commerce war and Covid 19 and Industry 4.0, wht happens to banking sustainability in emerging markets such as Vietnam? By using both quantitative analysis with statistics, charts and comparison, combined with qualitative analysis with synthesis, inductive and explanatory methods, research results show us that June is the month banks experience highest or lowest values of market risks, and during pre low inflation time, more beta values (max, mean, median) are equal to 1 or lower than 1. Whereas during post low inflation stage, several more beta values (max, mean, median) higher than 1. Then, Main findings could be used for socio-economic policy implications in Vietnam. And research model can be applied for other countries, esp. Emerging markets. © 2021 Karadeniz Technical University. All rights reserved.