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Japan intervenes to prop up yen ahead of BOJ policy decision

By Thomson Reuters Jul 30, 2026 | 3:53 PM

By Leika Kihara

TOKYO, July 31 (Reuters) – Japan conducted yen-buying, dollar-selling market intervention in New York markets on Thursday, a market source said, ​pulling the sagging currency from four-decade lows.

The ‌move came ahead of the Bank of Japan’s policy decision on Friday, where the central bank is widely expected to keep interest rates steady at 1% but signal its ‌readiness ​to continue pushing up borrowing ⁠costs.

U.S. Treasury Secretary Scott ⁠Bessent said on Thursday that Japan may have intervened to prop up its yen currency, according to a Fox Business Network reporter, who added ​Bessent said the yen “seems very undervalued to me.”

The Nikkei newspaper reported earlier on Friday that Japan ⁠likely conducted massive yen-buying ⁠intervention. It also reported that U.S. authorities ​conducted so-called rate checks, which are precursors for currency ​intervention.

The Japanese finance ministry’s foreign exchange division could ‌not be reached immediately for comment. The New York Federal Reserve also declined to comment.

The dollar sank to a more than two-month low against ⁠the Japanese yen on Thursday in what analysts said looked like official intervention. After hitting 159.22 per dollar on ⁠Thursday, the ‌yen stood at 159.63 in Asia ⁠on Friday.

Markets have been on alert for ​yen-buying ‌by Japanese authorities, who have warned ​of action ⁠for months as the currency’s weakness exacerbates the cost-of-living impact of rocketing energy import prices.

(Reporting by Leika Kihara; additional reporting by Takaya Yamaguchi in Tokyo and David Lawder in Washington; Editing by Chris Reese ​and Sanjeev Miglani)