The top Japanese currency official believes that there is speculation in yen trading.

Junichiro Mimura, Vice Minister of International Affairs for the Japanese Ministry of Finance, said, "In recent weeks, the market has had some expectations or speculations about the fiscal policy Japan is about to introduce." He pointed out that there are many other factors affecting foreign exchange rates. Mimura stated that the Japanese Ministry of Finance is not concerned about any specific level of the yen, but is closely monitoring its volatility.