On the morning of July 29, the US dollar unexpectedly plunged sharply against the Japanese yen, at one point falling below the 156 yen mark from the 157 yen range at the start of trading in Tokyo. This move came shortly after the Japanese and US governments confirmed they had jointly bought yen over the previous weekend, while warning that further intervention could follow if necessary.
This rare joint intervention is seen as a firm signal from Tokyo and Washington to halt the yen's prolonged slide, which had recently hit its weakest level in decades against the dollar. Investors are closely watching whether authorities will take additional steps to support the domestic currency, following strong warnings about speculative activity.
According to analysts, this coordinated intervention between the US and Japan carries significant weight, showing that Washington is ready to back Tokyo's efforts to stabilize the currency market. Nevertheless, traders remain cautious, suggesting that the intervention's impact may be short-lived unless further action is taken or the Federal Reserve's monetary policy changes.
In the market, the USD/JPY exchange rate saw violent fluctuations during the morning session, with a trading range not seen in recent weeks. Investors are awaiting more information on the Bank of Japan's (BOJ) policy decision expected later this week, as well as key US economic data, to determine the next direction for this currency pair.