Yen to extend historic slump, while AI and energy 'supply bust' to support the U.S. dollar: Goldman

Goldman Sachs turned more bearish on the yen, forecasting USD/JPY at 162 (3 months), 163 (6 months), and 165 (12 months), up from 160, 158, and 155. The bank argues intervention will likely be temporary given higher-for-longer U.S. yields and only gradual BoJ hikes, with fiscal concerns and term-premium dynamics favoring further yen depreciation. It simultaneously expects the dollar to stay strong, citing the U.S. AI investment boom and energy supply disruptions, while it favors higher-yielding emerging-market FX (notably a stronger Indian rupee and Colombia’s peso) versus using the yen as funding for carry trades.

Analysis

The cleanest read-through is not a directional Japan equity call, but a continuation of the global carry regime: a weaker funding currency lowers the hurdle rate for risk elsewhere. That tends to favor U.S. dollar assets, higher-yield EM FX, and Japanese exporters with large foreign sales, while pressuring Japan’s domestic demand complex—retailers, airlines, utilities, and import-heavy manufacturers—through cost inflation and weaker real purchasing power.

The market risk is that intervention creates a fast, tradable squeeze without changing the medium-term trend. That argues for thinking in two horizons: a 1-5 day mean-reversion pop in yen if authorities act, versus a 1-3 month re-extension if U.S. yields stay elevated and the BoJ remains behind the curve. The thesis breaks if U.S. growth rolls over hard enough to take Treasury yields lower, or if the BoJ moves from gradualism to a credible tightening cycle; either would compress the rate differential driving USD/JPY.

Consensus is probably underestimating how persistent the translation effect can be for global firms with Japan exposure: a weaker yen is a hidden tax cut on Japanese exporters but a margin headwind for domestic consumption and for any Japan-based asset funded in yen. The bigger second-order winner may be carry baskets and EM beta, because a stable funding currency tends to suppress volatility and widen funding spreads. Conversely, if intervention becomes more frequent, realized FX vol rises and that can briefly unwind crowded carry positioning faster than spot itself reverses.

Key Decisions for Investors

• Short FXY on intervention-driven yen rallies; use a 1-3 month horizon and treat any sharp pop as entry, with a thesis stop if USD/JPY closes back below the prior breakout zone or the BoJ signals faster hikes.
• Pair trade: long UUP / short FXY for a cleaner macro expression of continued dollar strength over the next 3 months; risk/reward is best while U.S. real yields stay firm.
• Fade broad Japan domestic-demand exposure on strength; prefer short IYZ-style domestic consumption proxies or underweight import-sensitive Japanese retailers/airlines versus long Japanese exporters with overseas revenue.
• Watch carry baskets and EM FX for confirmation; if USD/JPY stays bid, add selectively to higher-yield EM exposure, but reduce if intervention pushes implied FX vol materially higher.
• No immediate long in GS on this note alone; use it as a sentiment read-through, not a fundamental catalyst, unless the bank’s FX forecast is validated by actual client flow and positioning data.