Yen weakness since 2025 has been limited to offshore hours: analysis

Since 2025, the Japanese yen has experienced notable weakness primarily during offshore trading hours, according to recent analyses of currency market behavior. This pattern highlights how market dynamics driving the yen's fluctuations differ significantly between onshore and offshore sessions, underscoring the complexity of forex activity for one of the world's most traded currencies.

Distinct Onshore and Offshore Market Behavior

The yen’s fluctuations since the beginning of 2025 reveal a clear divergence between its performance in onshore trading sessions within Japan and offshore markets, which include key financial hubs in Europe and the United States. While traditional volatility in the yen often manifests across all trading hours, recent trends suggest that the currency’s weakening pressures are concentrated outside of Tokyo’s official market times. During the onshore hours, the yen has generally maintained relative stability or experienced only moderate depreciation, pointing to domestic factors that may support the currency or dampen heavy selling.

Drivers of Yen Movement Offshore

Offshore trading has seen more pronounced yen depreciation, potentially linked to broader global risk sentiment and capital flows impacting currency pairs without immediate influence from Japan's domestic policies or market interventions. Factors such as shifts in US interest rate expectations, dollar strength in European and American hours, and speculative trade positioning often come to the forefront during these offshore periods. Additionally, the lack of direct intervention or regulatory measures during offshore hours can allow broader market forces to influence yen values more freely.

Implications for Market Participants

This division of yen behavior between offshore and onshore sessions highlights the importance for currency traders and global investors to adopt a nuanced approach when engaging with the yen. Understanding that significant moves may emerge during offshore hours suggests a need for careful monitoring of global macroeconomic developments as well as geopolitical events outside of Japan’s time zone. Meanwhile, yen movements during onshore hours remain tethered to domestic economic developments, Bank of Japan policies, and Japanese market sentiment.

Takeaway for Traders

The yen's pattern of weakness largely confined to offshore trading hours offers valuable insight into the currency’s market dynamics since 2025. For traders, timing and contextual awareness of market sessions are crucial when assessing yen positions and potential volatility. Recognizing the distinct forces at play in onshore versus offshore markets can enhance risk management and strategic planning in forex trading involving the Japanese yen.