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Morning Edition · Thursday, August 6, 2026Published at 1:15 AM EDT · New York
Bank of America Cuts Its Year-End Dollar-Yen Forecast to 149 After Record Tokyo Intervention
The forecast assumes continued joint action by Tokyo and Washington plus a Bank of Japan rate increase, because the intervention alone did not close the interest-rate gap driving the yen down.
Bank of America lowered its year-end forecast for the dollar against the yen to about 149 from 152, implying roughly 6 percent appreciation from the current level near 158. The bank's analysts said defending the currency requires follow-through from macroeconomic policy, meaning faster rate increases by the Bank of Japan, rather than intervention alone.
The intervention itself was large. Bank of Japan data showed Tokyo spent about 5.33 trillion yen in Friday's operation after a reported 8.45 trillion yen the day before, in coordinated yen buying with Washington. The yen gained as much as 5 percent over three sessions and then lost part of that gain.
Former prime minister Fumio Kishida, in an interview, identified the other half of the problem. Japan's 14-year growth strategy targets an annual average of more than 26 trillion yen in domestic investment, which he described as the durable route to a stronger currency.
The interest-rate difference behind the weak yen has not changed. The Federal Reserve holds its target range at 3.50 percent to 3.75 percent while the Bank of Japan's policy rate sits far below that, and Japan continues to fund support measures with borrowing. Selling dollars from reserves changes the price for a period of days. It does not change the return an investor earns for holding one currency over the other.
What this means
Currency intervention transfers reserves to speculators unless the underlying rate differential closes, so the operation delays the move rather than establishing a level. Japanese importers and households gain from a firmer yen through cheaper energy and food, while Japanese exporters and the foreign investors holding Japanese equities as a weak-yen position lose. The decisive variable is the Bank of Japan. If it raises rates in coming months, the intervention holds and 149 becomes plausible. If it does not, the yen drifts back toward its pre-intervention level and Tokyo faces the choice of spending more reserves.
What to watch
- Whether the Bank of Japan signals a rate increase at its next meeting, which is what Bank of America's forecast depends on.
- Monthly Ministry of Finance intervention disclosures, which reveal whether Tokyo is still spending reserves after the headline operations.
- Japanese long-term government bond yields, because rising yields alongside new fiscal support would show the borrowing cost of the strategy rising.
Observations to monitor, not financial advice.
Synthesized from: The Japan Times · The Japan Times (Kishida interview) · InvestingLive
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