Amid BoJ uncertainty, the yen slips under 158.50 as dollar yen rises, with US CPI watched

    by VT Markets
    /
    Mar 11, 2026
    USD/JPY rose to about 158.30 in early Asian trading on Wednesday as uncertainty over Bank of Japan policy weighed on the yen. Traders are waiting for US inflation data later on Wednesday for direction. Sanae Takaichi has faced renewed scrutiny over the BoJ outlook after reports that she raised concerns about further tightening in a meeting with Governor Kazuo Ueda last month. The reports increased speculation that she could favour a slower pace of rate rises.

    Bank Of Japan Policy Uncertainty

    Ueda indicated last week that interest rates may be held for longer due to possible economic effects from the Middle East conflict. The BoJ is expected to keep its policy rate unchanged at its meeting next week. US February CPI data is due later on Wednesday. Headline CPI is forecast at 2.4% year on year, while core CPI is forecast at 2.5% year on year. The story was corrected on March 11 at 03:05 GMT to state that Japan’s central bank is expected to maintain its policy rate. The earlier wording referred incorrectly to “the Japanese Yen central bank”. Looking back a year, we saw the USD/JPY pair pushing towards 158.30, driven by uncertainty over Bank of Japan policy. The market at that time in March 2025 was heavily focused on the BoJ’s dovish signals and was awaiting key US inflation data. This environment of a hesitant BoJ created a strong tailwind for dollar strength against the yen.

    Shifting Macro And Trading Implications

    At that time in 2025, there was significant political speculation about pressuring the BoJ to delay rate hikes. This contrasts with the current situation, where the BoJ was finally forced to end its negative interest rate policy late last year due to persistent inflation. The dynamics have clearly shifted from questioning if the BoJ would act, to wondering how soon they will act again. The slow policy normalization we saw in 2025 contributed to the yen weakening past 160 later that year. Now, with Tokyo’s core inflation for February 2026 coming in at 2.5%, the central bank is under much more pressure to continue tightening. This data point suggests that the fundamental reasons for yen weakness are slowly eroding. On the other side of the pair, we were watching for the US February 2025 CPI report, which was expected to show inflation cooling to around 2.4%. While inflation did ease through parts of last year, the most recent US CPI reading for January 2026 came in hotter than anticipated at 3.1%. This persistence of US inflation suggests the Federal Reserve may not be in a hurry to cut rates. For derivative traders, this means the one-sided trade of shorting the yen is over, and volatility is likely to increase. Options strategies that profit from price swings, such as long straddles, could be effective as the market digests conflicting signals from a hawkish Fed and a slowly awakening BoJ. The pair is no longer a simple interest rate differential play. Therefore, we should be cautious about expecting a return to the easy gains seen in early 2025. The narrowing interest rate gap between the US and Japan will likely cap significant yen weakness. Any moves higher in USD/JPY will probably be met with more selling pressure than we experienced a year ago. Create your live VT Markets account and start trading now.

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