South Korea and Japan have expressed serious concerns regarding the recent excessive volatility of their currencies, the won and the yen, against the dollar. South Korean authorities, including Central Bank Governor Rhee, have signaled a readiness to implement stabilization measures if the volatility persists, as stated in a CNBC interview. Similarly, Japan's top currency diplomat, Masato Kanda, stated that Japan would not rule out any options to address these FX movements and reaffirmed the G7 commitment to forex stability. The finance ministers of the U.S., South Korea, and Japan have acknowledged the sharp declines in the won and the yen, and have pledged to take appropriate action. This commitment was reaffirmed by G-7 finance ministers, emphasizing the importance of stability in the forex market.