USD/JPY plunges from highs as Yentervention rocks markets
작성자 Joshua Gibson
수정됨: 30 Apr 2026
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USD/JPY plunged 2.25% on Thursday after a violent intraday reversal that wiped roughly 500 pips off the pair in just a few hours.
- USD/JPY tumbled from a 160.73 peak to test 156.00, the Yen's strongest one-day rally in over three years.
- The Nikkei reported that the MoF and BoJ stepped in to buy Yen and sell Dollars, the first such intervention since 2024.
- A thin Japanese data calendar next week leaves USD/JPY exposed to follow-through intervention risk and US data flow.
USD/JPY plunged 2.25% on Thursday after a violent intraday reversal that wiped roughly 500 pips off the pair in just a few hours. Price spiked to a multi-month high near 160.75 in early London trade before collapsing sharply to test 155.55, with the daily candle leaving a long upper wick and a body close to the lows around 156.65. The peak-to-trough swing of 3.22% marked the sharpest one-day fall in over three years and abruptly capped the steady advance that had carried the pair from the mid-150s through April.
Read more: Will Yentervention stick this time?
The trigger was a coordinated escalation from Tokyo. Finance Minister Satsuki Katayama warned earlier in the day that authorities were "nearing the time to take bold action" on FX, with Vice Finance Minister Atsushi Mimura following up with what he framed as a "final advisory" to Yen bears. The Nikkei subsequently reported, citing a government source, that the Ministry of Finance (MoF) and the Bank of Japan (BoJ) had carried out direct Yen-buying, Dollar-selling intervention, the first reported action of its kind since the 2024 episode that ultimately consumed roughly $62 billion. Whether the move sticks is the open question; the Federal Reserve (Fed) sits at 3.50% to 3.75% against a BoJ policy rate of 0.75%, and the carry-trade incentive that has fueled Yen weakness all year is structurally untouched by a single day of official selling.
The Japanese data slate next week is unusually thin. Tokyo Consumer Price Index (CPI) hits the wires after the Thursday close, then three back-to-back market holidays (Constitution Day on Saturday, Greenery Day on Sunday, and Children's Day on Monday) compress liquidity through the early part of the week. Wednesday's Labor Cash Earnings and the BoJ Monetary Policy Meeting Minutes are the only scheduled domestic risk events of note. That leaves USD/JPY hostage to two external forces: any follow-through MoF action that forces a deeper short-Yen unwind, and a heavy US data run anchored by Friday's Non-Farm Payrolls (NFP) print, which will set the near-term tone for Fed expectations.
USD/JPY 1-hour chart
Technical Analysis
In the one-hour chart, USD/JPY trades at 156.66, preserving a bearish near-term bias after extending the retreat from the 160.30 day open. The slide from recent highs keeps the pair under pressure, while the Stochastic RSI recovering from oversold territory toward the high-20s hints that downside momentum is easing rather than accelerating.
On the topside, the day’s open at 160.30 stands as the first meaningful resistance to any corrective rebound, with the broader bearish structure likely to cap advances while price holds well below that barrier. On the downside, the absence of nearby indicator-based supports leaves the pair vulnerable to further weakness, with traders watching price action alone for signs of stabilization or a short-term base forming.
(The technical analysis of this story was written with the help of an AI tool.)
Japanese Yen FAQs
The Japanese Yen (JPY) is one of the world’s most traded currencies. Its value is broadly determined by the performance of the Japanese economy, but more specifically by the Bank of Japan’s policy, the differential between Japanese and US bond yields, or risk sentiment among traders, among other factors.
One of the Bank of Japan’s mandates is currency control, so its moves are key for the Yen. The BoJ has directly intervened in currency markets sometimes, generally to lower the value of the Yen, although it refrains from doing it often due to political concerns of its main trading partners. The BoJ ultra-loose monetary policy between 2013 and 2024 caused the Yen to depreciate against its main currency peers due to an increasing policy divergence between the Bank of Japan and other main central banks. More recently, the gradually unwinding of this ultra-loose policy has given some support to the Yen.
Over the last decade, the BoJ’s stance of sticking to ultra-loose monetary policy has led to a widening policy divergence with other central banks, particularly with the US Federal Reserve. This supported a widening of the differential between the 10-year US and Japanese bonds, which favored the US Dollar against the Japanese Yen. The BoJ decision in 2024 to gradually abandon the ultra-loose policy, coupled with interest-rate cuts in other major central banks, is narrowing this differential.
The Japanese Yen is often seen as a safe-haven investment. This means that in times of market stress, investors are more likely to put their money in the Japanese currency due to its supposed reliability and stability. Turbulent times are likely to strengthen the Yen’s value against other currencies seen as more risky to invest in.
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