The Bank of Japan's lack of hawkish signals has led to a further decline in the yen, with the yen now targeting the 160 level.

The Bank of Japan raised interest rates as expected, but Governor Kazuo Ueda's cautious stance on the future policy path at the post-meeting press conference failed to meet market expectations for continued rate hikes, putting downward pressure on the yen. According to Bloomberg, analysts believe that if the Bank of Japan's tightening pace cannot keep up with the Federal Reserve's, the dollar/yen exchange rate may once again approach the 160 level.

As of press time, the US dollar rose as much as 1.33% against the Japanese yen, reaching 158. The market had largely priced in this rate hike, so investors are now more focused on the central bank's guidance on future policy. Chidu Narayanan, chief strategist for Asia Pacific at Wells Fargo, said that Ueda's remarks released some hawkish signals, but not enough to support the market's previous expectations of aggressive tightening.

Narayanan points out that if the market believes the Bank of Japan's pace of interest rate hikes will struggle to keep up with the Federal Reserve, the USD/JPY exchange rate risks climbing towards 160. This level previously triggered coordinated intervention by Japan and the United States, and further weakening of the yen has reignited market concerns about currency intervention.

The interest rate hike failed to boost the yen, and the market turned its attention to the subsequent path of interest rate hikes.

The Bank of Japan (BOJ) passed a rate hike by a 7-2 vote, with board members Toichiro Asada and Ayano Sato voting against it. After the meeting, BOJ Chairman Kazuo Ueda stated that the BOJ's policy-making process has changed, but when asked about the possibility of consecutive rate hikes or more significant actions, he only stated that the BOJ would not pre-jump any specific policy options before a board meeting.

Since the 25-basis-point rate hike had largely been priced in by the market, the policy decision itself did not bring any significant surprises. Instead, the market was more focused on Ueda's statements regarding the pace of future rate hikes. Masahiko Loo, senior fixed-income strategist at State Street Investment Management, believes that Ueda's failure to rule out further action means the Bank of Japan still retains room to adjust policy at future meetings.

He pointed out that there is still a shorting logic for the USD/JPY pair near 160.

The yen is nearing 160, raising renewed concerns about currency intervention.

The dollar's rise against the yen was also driven by the interest rate differential between the two countries. The Federal Reserve's rate hike and hawkish signals earlier this week reinforced expectations of relatively high US interest rates, partially offsetting the yen's gains driven by factors such as expectations of accelerated tightening by the Bank of Japan, the unwinding of yen carry trades, and increased domestic asset allocation by Japanese pension funds.

The weakening yen boosted Japanese stocks, with the Nikkei 225 index closing up 1.4%, while the Topix index fell 0.1%, dragged down by financial stocks. Japanese government bond yields generally declined along the yield curve. The spillover effects of this interest rate hike on other currency and bond markets were limited overall.

If the dollar approaches 160 against the yen again, market expectations for Japanese intervention in the foreign exchange market may rise. Japanese officials have repeatedly emphasized that intervention depends primarily on the speed and disorder of exchange rate fluctuations, rather than a specific price level. Neil Newman, head of strategy at Astris Advisory Japan, stated that if the dollar breaks above 160 against the yen again, further intervention by both Japan and the US should be anticipated.

Meanwhile, according to a previous Bloomberg report, U.S. Treasury Secretary Bessenter's continued signals of support for a stronger yen have increased market concerns about potential intervention risks, and traders may be more cautious when re-establishing short yen positions.

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