The USDJPY experienced wild fluctuations. The yen continued to be sold off due to reports at the end of the previous week that Prime Minister Sanae Takaichi would dissolve the Lower House. Consequently, the pair initially rose to 159.45 yen.

In the foreign exchange market for the week that ended January 11th, a wait-and-see attitude among traders prevailed ahead of the release of U.S. employment figures. Additionally, political developments in Japan led to the sell-off of the yen.

In the foreign exchange market for the week that ended on January 4th, trading volume shrank over the New Year's holiday, with fewer traders participating. The yen weakened slightly against the dollar, pushing the USDJPY up from the upper 155 yen range to 157.0 yen.

In the foreign exchange market for the week that ended on December 28th, the sell-off of the yen, which originated from the Monetary Policy Meeting of the Bank of Japan (BOJ) late in the previous week, has halted. However, the market struggled to find direction as a limited number of traders participated due to the Christmas holidays.

The foreign exchange market for the week that ended on December 21st was sensitive to a series of announcements by central banks regarding their interest rates. The Bank of England (BOE) and the Federal Reserve Board (FRB) both lowered their rates. The European Central Bank (ECB), however, maintained its policy interest rate. In contrast, the Bank of Japan (BOJ) raised its interest rate. Comments by BOJ Governor Kazuo Ueda at the post-meeting press conference triggered a sell-off of the yen, which weakened against the dollar, the euro, and the pound.

In the foreign exchange market for the week that ended on December 14th, the dollar initially strengthened against the yen. However, after the Federal Reserve Board (FRB) lowered interest rates at its Federal Open Market Committee (FOMC) meeting, the dollar weakened against major currencies. The USDJPY temporarily fell below the 155 yen level before rebounding to the 156 yen range. Conversely, the EURUSD and GBPUSD rose steadily.

Differences in monetary policy between the U.S. and Japan came into focus in the foreign exchange market for the week that ended on December 7th. Traders preferred the yen over the dollar, especially due to increasing speculation about a rate hike by the Bank of Japan (BOJ). Consequently, the USDJPY declined and briefly entered the mid-154 yen range during the week. Meanwhile, the euro and the pound strengthened against the dollar.

In the foreign exchange market for the week that ended on November 30th, trading volume decreased ahead of the Thanksgiving holidays. Amid the corrective mood, there was mixed speculation about December rate cuts in the U.S. and Japanese fiscal and monetary policies. Thus, the USDJPY fell to the mid-155 yen range.

In the foreign exchange market for the week that ended on November 23rd, the dollar continued to strengthen against the yen, and the USDJPY reached 157.89 yen. The dollar also strengthened against the euro and the pound, pushing down both the EURUSD and GBPUSD.

In the foreign exchange market for the week that ended on November 16th, the USDJPY climbed to the 155 yen range as the U.S. government shutdown was expected to end, and as financial policy directions remained different between the U.S. and Japanese central banks. The EURUSD moved slightly higher despite the strong dollar. The GBPUSD remained above the 1.30 level but failed to advance.

In the foreign exchange market for the week that ended on November 8th, solid U.S. economic figures contributed to the dollar buying. However, the plunge in the Tokyo Stock Exchange (TSE) index and concerns over a possible U.S. economy slowdown led to the yen buying. The USDJPY fluctuated between the upper 152 yen range and the lower 154 yen range. Meanwhile, after experiencing a decline earlier in the week, both the EURUSD and the GBPUSD offset the slide later.

In the foreign exchange market for the week that ended on November 1st, the dollar continued to strengthen against the yen following major monetary policy events in both countries. The USDJPY reached the 154 yen range. The dollar also strengthened against other major currencies. Both the EURUSD and the GBPUSD declined.

In the foreign exchange market for the week that ended on October 26th, the dollar strengthened against the yen. The sell-off of the yen was driven by market expectations that the new Japanese Prime Minister, Sanae Takaichi, would implement an expansionary fiscal policy, while the Bank of Japan (BOJ) showed reluctance to raise interest rates. The EURUSD halted its downtrend, but the pound continued to weaken against the dollar.

In the foreign exchange market for the week that ended on October 19th, the dollar weakened further against the yen. As market anxiety increased over reignited U.S.-China tensions, U.S. banking panic, and U.S. monetary policy, the USDJPY fell below the 150 yen level.

In the foreign currency market for the week that ended on October 12th, speculation about the Bank of Japan's (BOJ) monetary policy, following the Liberal Democratic Party (LDP) presidential election on October 4th, as well as political uncertainty in Japan, triggered a sell-off of the yen. Consequently, the USDJPY skyrocketed and broke the annual high set in February. However, the dollar was sold and the pair plummeted after U.S. President Donald Trump announced new tariffs on China on October 10th.

The foreign currency market for the week that ended on October 5th was sensitive to the risk arising from the U.S. federal government shutdown. The USDJPY fell by about three yen from the beginning of the week as the market focused on developments in the budget discussions in the U.S. Senate. Meanwhile, the EURUSD remained almost unchanged, and the GBPUSD saw solid movement.

Earlier in the week that ended on September 28th, the foreign exchange market saw minor fluctuations as traders squared their books. Later, strong U.S. economic figures strengthened the dollar against major currencies. The USDJPY rose to just below 150 yen.

During the week that ended on September 21st, the foreign currency market was sensitive to monetary policy decisions made by central banks in the U.S., U.K., and Japan. Earlier in the week, the USDJPY fluctuated up and down, but concluded the weekly trading session with the dollar strengthening against the yen. The euro and the pound both weakened against the dollar throughout the week.

The unstable political situation in Japan, U.S. economic indicators and the policy interest rate announcement by the European Central Bank (ECB) dominated the foreign currency market during the week that ended on September 14th.

In the foreign currency market for the week that ended on September 7th, the USDJPY rose to the 149 yen range on September 5th. However, weak U.S. employment figures and comments from key figures at the Bank of Japan (BOJ) pushed the pair down to the upper 146 yen range.