The Japanese yen remained under heavy pressure on Thursday, with the dollar trading close to ¥160 even as the broader U.S. dollar index eased, keeping the currency near multi-decade lows and heightening speculation over possible official action.
According to Hardman, senior currency analyst at MUFG, increasingly forceful rhetoric from Tokyo is emerging just as markets scale back expectations for further near-term rate hikes from the Bank of Japan, a combination that leaves the yen exposed and authorities under mounting pressure.
Brief yen bounce after Katayama’s warning
Overnight, the yen briefly strengthened after comments from Finance Minister Katayama, with USD/JPY dipping to 158.27.
Katayama told her G7 counterparts that Tokyo is monitoring foreign exchange markets “with a high sense of urgency.” Earlier in the week, she stressed that authorities are focused on keeping markets calm and maintaining close communication with international partners, including Bessent.
Her remarks intensified speculation that Japan may be edging closer to direct intervention to stem the yen’s slide, though no concrete measures have yet been announced.
Rate hike expectations fade ahead of BOJ meeting
Market pricing now suggests reduced odds of an additional rate hike by the Bank of Japan this month. Domestic swap markets are factoring in roughly 5 basis points of tightening, down from earlier expectations.
Governor Ueda offered little guidance on the policy outlook earlier this week, reinforcing caution ahead of the next decision. A Bloomberg report said the central bank plans to assess the impact of existing measures on prices and economic activity, while watching Middle East tensions “until the last possible moment” before deciding.
The same report pointed to divisions among policymakers, which appear to lower the probability of an April move, even if a shift has not been ruled out entirely.
Delayed policy move shifts focus to currency stabilization
The softening in rate expectations is seen in markets as increasing the urgency for Japanese authorities to stabilize the yen in the near term.
With the currency trading around its weakest levels in decades and policy signals still opaque, traders continue to anticipate that any direct intervention would likely be tied to renewed volatility or a break higher in USD/JPY toward, or beyond, the 160.00 area.
Foreign reserves fall as yen slide intensifies
Fresh data from the Ministry of Finance underline the strain on policymakers. Japan’s foreign reserves fell by almost $36 billion last month to $1.37 trillion, the lowest level since December 2025.
The decline overlaps with the recent bout of yen weakness and a series of increasingly pointed official warnings on currency moves, feeding speculation that authorities may already be preparing for or testing possible responses.
Wide U.S.–Japan yield gap still drives outflows
A key structural driver of the yen’s decline remains the sizeable interest rate gap between Japan and the United States.
The yield on the 10-year U.S. Treasury stands at 4.273%, about 186.4 basis points above the 2.409% offered by the equivalent Japanese government bond. That spread continues to encourage capital to flow out of the yen and into higher-yielding U.S. assets.
Traders trim bearish bets as risks of rebound rise
Despite the ongoing pressure, some large market players appear more cautious about pressing short positions.
Commodity Futures Trading Commission data for late March show speculative net short yen positions shrinking for a third consecutive week. The steady reduction suggests some traders see rising odds of a sharp rebound in the currency, whether triggered by policy action or a shift in global rates.
Global markets exposed to potential yen shock
Analysts warn that an abrupt and disorderly yen move could spill over well beyond foreign exchange markets.
A rapid strengthening, particularly if driven by direct intervention or a fast change in sentiment, could send volatility through global assets, forcing reassessments of risk and potentially squeezing liquidity in high-beta segments such as emerging markets and leveraged strategies.
One key vulnerability is the carry trade, in which market participants borrow at Japan’s low rates to purchase higher-yielding assets abroad. A sudden yen surge would make these trades more expensive to maintain, potentially triggering a rapid unwind with knock-on effects across equities, credit and other rate-sensitive assets.
With USD/JPY hovering near 160 and the policy path still uncertain, traders across asset classes are watching Tokyo’s next move closely for clues on the timing and scale of any response.
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