Yen jumps to one-month high as traders weigh chance of further intervention

The rate of the yen against the US dollar displayed in the trading room at foreign exchange brokerage Gaitame.Com Co. in Tokyo, Japan, on Thursday, Sept. 3, 2026. Bloomberg | Bloomberg | Getty ImagesThe yen strengthened sharply Thursday, reaching a one-month high against the U.S. dollar as traders weighed the possibility of further Japanese intervention against rising expectations for Bank of Japan rate hikes. The yen jumped more than 1% against the greenback, at one point touching 156.34 per dollar, according to LSEG data. That represents the yen's strongest level against the dollar since Aug. 3, shortly after the U.S. and Japan staged a joint intervention to support the struggling Japanese currency on July 31. The yen was trading at 157.1 per dollar at 4:20 a.m. ET. The yen also rose against the euro and British pound. Atsushi Mimura, Japan's Vice Finance Minister for International Affairs, said Thursday that authorities were "neither satisfied nor reassured" by the recent moves and "remain on a state of heightened alert," according to Reuters.Japanese government bond yields eased following a solid sale of 30-year dated debt Thursday, after coming under pressure amid a global sel...