Last week, the Japanese yen stayed close to 160 per dollar, reminding many of previous currency interventions. This time, though, Tokyo is holding back and setting a tougher standard before jumping into the forex market.
Yen Nears Key Threshold Amid Rising Oil Prices
As the yen slid toward 160 per dollar, worries resurfaced about whether Japan would step in to stabilize the currency. For a long time, 160 has been seen as the level where Japanese officials might step in to stop the yen from falling too much. Still, officials are cautious despite Middle East tensions driving up oil prices, which could raise Japan’s import bills and inflation.
Japan’s economy is particularly vulnerable to oil price shocks since the country relies heavily on imported energy. The conflict in Iran has disrupted shipping routes through the Strait of Hormuz, a vital artery for global oil supplies. That disruption has fueled safe-haven demand for the dollar, pushing the yen lower without the usual speculative selling that has driven past declines.
Intervention Less Effective in Current Climate
In contrast to Japan’s aggressive currency interventions in 2022 and earlier in 2024, the current situation is different. Back then, Tokyo stepped in to unwind massive speculative short positions on the yen, linked to carry trades exploiting the interest rate gap between the U.S. And Japan. Those moves successfully stabilized the currency.
Now, net short positions on the yen are far smaller—around 16,575 contracts in early March compared to a staggering 180,000 contracts in July 2024. That suggests speculative pressure isn’t the main force behind the yen’s weakness.
Instead, safe-haven flows into the dollar amid geopolitical uncertainty are the dominant factor.
Reports say Japanese policymakers doubt that intervening now would make much difference. One official remarked that any attempt to prop up the yen could be overwhelmed by continued dollar buying until the Middle East situation calms down. There’s a real risk that intervention could backfire and push speculators to sell yen again after a rebound.
Official Stance: Ready but Cautious
Finance Minister Satsuki Katayama declined to confirm any immediate intervention plans, emphasizing the government’s readiness to act if needed and its concern over currency moves impacting people’s livelihoods. However, she stopped short of the usual rhetoric blaming speculative yen selling, a typical justification for intervention.
Japan’s intervention approach follows a G7 deal allowing action against extreme swings caused by speculation that ignores economic fundamentals. Since the current yen depreciation stems more from fundamental concerns around oil prices and geopolitical risks, rather than speculative excess, officials appear hesitant to use intervention as a blunt tool.
Implications for Japan’s Economy and Currency
The yen’s weakness is adding strain to Japan’s fragile inflation, since rising import costs tend to spread through the economy. Yet the authorities’ reluctance to intervene aggressively shows a recognition of the limits of such measures in the face of global geopolitical shocks.
FX strategist Shota Ryu from Mitsubishi UFJ Morgan Stanley Securities warns that intervention could prove counterproductive if it only temporarily halts yen depreciation before safe-haven dollar demand resumes. The yen’s fate, then, is closely tied to how the Iran conflict evolves and the stability of crucial shipping lanes.
Looking back, Tokyo stepped in during 2022 and early 2024 to curb speculative excess and bring order to the market. Without those speculative triggers today, the yen’s path may remain volatile. Investors and policymakers alike will be watching developments in the Middle East with keen interest.
For now, Japan appears poised to weather the yen’s recent weakness rather than fight it head-on. The question remains: how long can Tokyo hold back if the dollar’s safe-haven appeal continues to press the yen lower?
