USD/JPY is near fair value; waiting for a buy-the-dip opportunity

Overview

This report focuses on Japan G10 FX strategy, with the core discussion centered on the trading implications of USD/JPY approaching its 2024 high. The report argues that the recent rise in USD/JPY has mainly come from broad U.S. dollar strength rather than broad-based yen weakness; with U.S. rate pricing, global risk sentiment, and Japan's terms of trade interacting together, the current exchange rate is already close to fair value. Therefore, the report maintains a neutral stance and waits for a clearer buy-the-dip opportunity.

Core views

First, the nature of the USD/JPY rise has changed: before the Ministry of Finance intervention from late April to early May, the move was driven more by yen weakness; after the intervention, the move has been driven more by broad U.S. dollar strength. Second, the risk of Ministry of Finance intervention has indeed increased, but recent remarks by senior officials have not explicitly used the term "speculative" to describe the current move, indicating that immediate intervention is not the base case. Third, falling oil prices improve Japan's terms of trade and, together with weaker risk sentiment, keep the yen relatively resilient in non-USD currency pairs. Fourth, if a sharp rise in USD/JPY in the future is driven by renewed yen weakness, intervention risk will rise significantly.

Analysis framework

The report uses a macro FX framework, breaking USD/JPY into three main explanatory variables: U.S. terminal rate market pricing, global risk sentiment proxied by the relative performance of equities versus bonds, and Japan's terms of trade. It also combines this with classifications of the macro USD environment, such as Carry Regime, USD Bullish Regime, and Defense Regime, supplemented by historical FX intervention cases, CFTC speculative net yen positions, and offshore non-bank sector yen funding demand to assess intervention probability.

Methodology notes

• FX Fair Value FrameworkUSD/JPY Three-Factor Framework

  Explains USD/JPY fair value through U.S. terminal rate pricing, global risk sentiment, and Japan's terms of trade.

  The report believes the current USD/JPY level is close to the fair value implied by this three-factor framework. Therefore, upside may be constrained by Ministry of Finance intervention risk, while downside would require both aggressive Fed easing pricing and a significant deterioration in global risk sentiment.

• Macro USD Regime FrameworkCarry Regime, USD Bullish Regime, Defense Regime

  Identifies different USD environments using changes in U.S. real rates and inflation breakevens.

  Under Carry Regime, the yen as a funding currency typically performs the weakest; under USD Bullish Regime, the yen may underperform the dollar but outperform risk-sensitive currencies; Defense Regime corresponds to simultaneous declines in U.S. real rates and inflation breakevens, with the market pricing substantial rate cuts.

• Policy Reaction FunctionJapan Ministry of Finance FX Intervention Assessment

  Assesses intervention probability through FX levels, speculative positioning, official wording, and historical intervention cases.

  Historically, Japan's FX intervention has often occurred after officials judged the exchange-rate move to be rapid, one-sided, and speculative. Current official warnings have intensified, but recent moves have not yet been explicitly labeled speculative, so the report believes intervention is not imminent.

Asset mapping & comparison

Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).

• USD/JPY

  Core subject of research

  Strengths

  Hawkish U.S. terminal rate pricing, broad U.S. dollar strength, and U.S. economic resilience support USD/JPY.

  Weaknesses

  The current level is already close to the fair value implied by the three-factor framework, and further significant upside may be constrained by Japan Ministry of Finance intervention risk.

  Comparison

  Unlike the pre-intervention rally driven by yen weakness, the recent rise reflects broader U.S. dollar strength.

  Risks

  Japanese authorities may conduct FX intervention if speculative yen shorts expand and USD/JPY rises rapidly due to yen weakness.

• JPY

  Funding currency and target of policy intervention

  Strengths

  Falling oil prices improve Japan's terms of trade, and weak risk sentiment also helps the yen remain relatively resilient in non-USD crosses.

  Weaknesses

  In an environment of dollar strength and elevated U.S. rate expectations, the yen may still remain under pressure against the dollar.

  Comparison

  Although the yen has recently underperformed the dollar, it has shown greater resilience relative to other G10 non-USD currencies.

  Risks

  If speculative yen shorts continue to build, exchange-rate volatility may trigger policy intervention or a rapid market reversal.

• G10 non-USD risk-sensitive currencies

  Relative performance benchmark

  Strengths

  In a USD bull market environment, some currencies may be supported by their domestic fundamentals.

  Weaknesses

  Weaker risk sentiment and USD strength will pressure the performance of risk-sensitive currencies.

  Comparison

  The report believes that under the current USD Bullish Regime, the yen may underperform the dollar but outperform risk-sensitive currencies.

  Risks

  If global risk assets fall due to concerns over AI-related earnings or slowing capital expenditure, risk-sensitive currencies may come under further pressure.

Key data

• USD/JPY reference high161.95The July 3, 2024 high; current USD/JPY is approaching this level.
• Japan FX intervention size from April to May 2026JPY 11.7349 trillionThe report table shows total intervention of JPY 11.7349 trillion from April 28 to May 27, 2026.
• April 29, 2024 interventionJPY 5.9185 trillionThis was followed by another JPY 3.87 trillion yen-buying intervention on May 1, 2024.
• July 2024 interventionJPY 3.1678 trillion and JPY 2.367 trillionThese occurred on July 11 and July 12, 2024, respectively.
• September 2022 yen-buying interventionJPY 2.8382 trillionThis occurred during September 14-22, 2022.
• Morgan Stanley equity rating distributionOverweight/Buy 42%, Equal-weight/Hold 43%, Underweight/Sell 15%The disclosure section shows the global equity rating distribution as of May 31, 2026; this disclosure does not constitute the report's rating on USD/JPY.

Impact & implications

For investors, the report does not recommend chasing USD/JPY higher at current levels, but instead prefers to wait for a buy opportunity after a pullback. Ministry of Finance intervention risk may limit USD/JPY from moving significantly above fair value, but as long as U.S. growth and the labor market remain resilient and the market does not price aggressive Fed cuts, USD/JPY fair value is also unlikely to be revised sharply lower. Strategically, the key is to distinguish between two drivers: "USD strength" and "speculative yen selling pressure," because the latter is more likely to trigger intervention by Japanese authorities.

Risks

• Japan's Ministry of Finance may conduct FX intervention after the market comes to view the USD/JPY rise as speculative yen selling pressure.
• If U.S. data remains strong and the FOMC stays hawkish, the dollar may strengthen further, keeping USD/JPY elevated or pushing it higher.
• If the market suddenly prices aggressive Fed cuts and global risk sentiment deteriorates significantly, USD/JPY fair value may move lower.
• Concerns over AI-related equity earnings or capital expenditure may hit risk markets and change the FX risk-preference landscape.
• Middle East developments, disruptions in the Strait of Hormuz, and changes in oil prices may again affect Japan's terms of trade and yen performance.

What to watch

• Whether USD/JPY breaks above or meaningfully approaches the July 2024 high of 161.95.
• Whether Japan's Ministry of Finance and senior officials begin explicitly using terms such as "speculative," "rapid," "one-sided," or "abnormal" to describe the FX move.
• Whether CFTC non-commercial net short yen positions continue to expand.
• Whether U.S. terminal rate pricing shifts from holding rates high toward repricing hikes, or conversely toward aggressive rate cuts.
• Changes in oil prices, the Strait of Hormuz situation, and Japan's terms of trade.
• Global risk sentiment, especially the impact of AI-related equities and capital expenditure expectations on the relative performance of equities versus bonds.