The Japanese yen remains under pressure even after Japan posted stronger-than-expected economic growth, allowing USDJPY to extend its rally for a seventh consecutive session and trade near the 159 level during Tuesday’s Asian session, May 19.

Japan’s economy expanded by 0.5% quarter-on-quarter in Q1 2026, exceeding market expectations of 0.4% and accelerating from revised growth of 0.2% in Q4 2025. It also marked the fastest quarterly expansion since Q3 2024.

On an annualised basis, growth reached 2.1%, outperforming forecasts of 1.7% and rising sharply from the previous quarter’s revised 0.8%. This represents the strongest pace of expansion in six quarters, signalling a more resilient domestic economy than previously expected.

Despite these encouraging figures, the yen has struggled to gain traction. Market sentiment continues to favour the US dollar, with investors focusing more on external risks and global dynamics than on Japan’s improving macroeconomic data.

One of the key factors limiting yen strength is Japan’s vulnerability to rising energy prices. Ongoing disruption in the Middle East, particularly linked to the closure of the Strait of Hormuz, has pushed oil prices higher.

As a country heavily dependent on energy imports from the region, Japan faces increased inflationary pressure from rising fuel costs. At the same time, higher input costs are weighing on corporate margins and creating headwinds for broader economic stability. This combination reduces the positive impact of stronger GDP growth on the currency.

Geopolitical developments have also influenced currency movements. Tensions in the Middle East eased slightly after US President Donald Trump delayed a planned military strike on Iran following requests from Gulf state leaders.

Reports indicate that the strike, initially scheduled for Tuesday, was postponed to allow more time for diplomatic negotiations. While this has temporarily reduced immediate market anxiety, uncertainty remains as the US has signalled readiness to act if negotiations fail.

This cautious improvement in risk sentiment has supported the US dollar, contributing further to upward momentum in USDJPY while keeping the yen subdued.

Although Japan’s economic data points to solid growth momentum, the currency outlook remains tied to external factors. Energy market volatility, geopolitical uncertainty, and global risk sentiment continue to overshadow domestic fundamentals.

Unless energy prices stabilize or policy expectations shift the Japanese yen may continue to lag despite signs of economic strength at home.