The yen recovered from five-week lows against the US dollar on Wednesday after Prime Minister Sanae Takaichi said Tokyo is prepared to act against currency weakness. USD/JPY retreated from the 160.00 area and touched 159.55 in the session. She described foreign-exchange policy as important for supporting the domestic economy and repeated that action could be taken at any time if required, in remarks similar to those heard ahead of the 30 April move. Takaichi also said trades not driven by real demand, including speculative activity, are increasing, and she referenced deeper international co-operation, including with the US, to counter unwelcome yen declines.
Earlier, Finance Minister Satsuki Katayama said authorities would respond as necessary and suggested Bank of Japan Governor Kazuo Ueda may strike a positive tone on rate rises. USD/JPY dropped about 400 pips on 30 April during an alleged intervention, then gradually retraced to the 160.00 region. The yen’s broader drivers include the BoJ’s policy stance, the gap between Japanese and US bond yields, and shifts in risk sentiment; Japan’s oil-importing exposure, low JGB yields and uncertainty over BoJ tightening are also in focus. The BoJ’s ultra-loose policy from 2013 to 2024 weakened the yen, while the 2024 shift away from that stance, alongside rate cuts elsewhere, has been narrowing the 10-year US–Japan yield differential.
Intervention Risks and Defensive Strategies
We are watching the 160.00 level in USD/JPY very closely, as it appears to be a clear line for intervention from Japanese authorities. The strong verbal warnings we are hearing now are almost identical to those that preceded direct market action in the past. This makes holding long positions in USD/JPY extremely risky at this specific moment.
The fundamental pressure on the yen remains immense due to the wide gap in interest rates between Japan and the United States. As of today, the US 10-year Treasury yield is around 3.85%, while the Japanese 10-year government bond is yielding only about 1.10%. This significant difference of over 275 basis points continues to encourage selling the yen to buy the higher-yielding dollar.
We must remember the interventions in the spring of 2024, when authorities spent a record ¥9.79 trillion to defend the currency. A similar move now could cause a rapid 3-5 yen drop in USD/JPY, wiping out gains for anyone who is over-leveraged. History shows these interventions are sharp and designed to inflict maximum pain on speculators.
Given this high probability of a sudden, sharp move, we believe buying put options on USD/JPY is a prudent strategy in the coming days. This can hedge existing long positions or serve as a direct bet on a decline caused by intervention. The increased volatility makes options an effective tool for managing this specific event risk.
Medium-Term Outlook Remains Bullish
However, we see any intervention-driven sell-off as a potential buying opportunity for the medium term. The Bank of Japan is only tightening its policy very gradually, while the Federal Reserve’s policy rate remains significantly higher. Until that fundamental interest rate gap narrows substantially, the path of least resistance for USD/JPY will eventually reassert itself to the upside.
