Japanese Yen falls ahead of Japan GDP as Kihara warns over bond-market volatility

• USD/JPY climbs ahead of Japan’s preliminary Q1 flash GDP release.
• Japan’s Kihara says authorities are monitoring market moves and long-term yields with a “very high sense of urgency.”
• Elevated US Treasury yields and uncertainty surrounding the BoJ’s policy outlook continue weighing on the Japanese Yen.

The USD/JPY pair rises toward the 158.90 region as traders position ahead of Japan’s Q1 GDP release.

Japan Chief Cabinet Secretary Yoshimasa Kihara stated that authorities are watching financial-market developments, including long-term interest rates, with a “very high sense of urgency.” His comments come as Japanese government bond yields remain elevated, increasing speculation that the Bank of Japan (BoJ) could face additional pressure to normalize policy further if inflation and wage trends remain firm.

Market participants are now turning their attention to Japan’s preliminary Q1 flash Gross Domestic Product (GDP) report, which will be released on the opening of the Asian session, and could provide fresh clues regarding the strength of the domestic economy and the BoJ’s future policy path.

Short-term technical analysis:

On the four-hour chart, USD/JPY trades at 158.90 with a bullish near-term bias, holding above both the 20-period Simple Moving Average (SMA) at 158.43 and the 100-period SMA at 157.90. The pair is pressing into overhead supply, with only the nearby horizontal barrier at 158.97 capping further gains for now, while the Relative Strength Index (RSI) around 74 sits in overbought territory, hinting at stretched but still strong upside momentum.

On the downside, initial support is layered just below the market, with successive horizontal levels at 158.83, 158.69 and 158.62 helping to cushion pullbacks. A deeper retreat would likely look toward the rising 20-period SMA at 158.43 ahead of the 100-period SMA at 157.90, which together reinforce the broader bullish structure as long as they continue to hold beneath price.

(The technical analysis of this story was written with the help of an AI tool.)