USD/JPY correlated to commodities

The raise of commodities does not justify the weakening of JPY. As the rapid raise of energy markets occur so does the treasury yields and strength of DXY index happens. The up rise of Yen seems to be more correlated to USD rather than commodities. Bellow the USD/JPY pair next to coal and WTI oil. Japan's substantial reliance on imports for fuel, raw materials, and food, domestic industries are equally exposed to higher prices from a weak yen. This is why Japan favors for a strong currency. 

WTI, Coal & USDJPY from Sep 1, 2021 till Oct 12, 2021