USDJPY divergence from interest rate differentials unsustainable.

USDJPY divergence from interest rate differentials unsustainable. The Japanese yen faces a critical juncture as geopolitical tensions reshape currency dynamics. Three distinct Iran war scenarios present divergent paths for the yen, with potential for significant appreciation if peace emerges or conflict extends, while prolonged ceasefire limits depreciation room. Structural headwinds facing the US dollar combined with cyclical pressures support a medium to long-term bullish thesis for the yen. However, risks persist including limited Japanese foreign exchange intervention capacity and potential Bank of Japan policy inertia if inflation remains subdued. Currency traders should monitor geopolitical developments closely as they increasingly decouple traditional interest rate differentials from actual currency valuations.