After the trading day, there was not much fluctuation in the exchange rate unexpectedly falling (14/9). USD price on the unofficial market fell below VND 23,400 and VND 23,300 at banks.

Survey on the afternoon of September 14, the rate at banks simultaneously decreased sharply compared to morning. USD selling price has fallen below 23,300 VND / USD, while buying price also fell to around 23,220 VND / USD.
Specifically, Vietcombank is posting rates at 23,210-23,290 VND / USD, down 15 VND compared to early this morning. The USD selling price at this bank decreased by 50 VND this week.
Meanwhile, BIDV fell further down to 23,200-23,280 VND / USD, down 20 VND compared to the morning and 40 VND compared to the last trading day. VietinBank also decreased 23,194-23,284, down 18 dong.
Techcombank, DongABank, and ACB also decreased about 20-30 dong compared to morning. The rates in these three banks are currently at 23,190-23,295 VND / USD, 23,210-23,280 VND / USD and 23,210-23,290 VND / USD.
Central bank rate on September 14 announced by the State Bank at 22,690 VND, down 5 VND compared with yesterday (13/9). This is the third consecutive fall of the central rate. The ceiling price today is 23,370 VND / USD and the floor exchange rate is 22,010 VND / USD.
In the unofficial market, the USD price has continuously fallen sharply in recent days, it has fallen to below 23,400 VND / USD, only higher than the banks about 100 -120 VND.
The performance of the US dollar was likely to be affected by the USD on the world market as the greenback suddenly slid from last night. The US Dollar Index (DXY) measures the greenback's performance against the six major currencies that have hit 95 points, down 94.4 points.
US has released a series of economic data lower than expected by investors. CPI in August only increased by 0.2% compared to July, lower than expected 0.3%. Production index fell 0.7% in July from July, while it was forecast to rise 0.2%.