The Japanese yen traded at 149.80 against the U.S. dollar on Tuesday, hovering near the psychologically significant 150 mark that has acted as both support and resistance for weeks. The currency remains under pressure from a persistent interest rate gap between Japan and other major economies, even as the Bank of Japan signals a gradual shift away from its ultra-loose monetary policy.
The yen has weakened more than 10% against the dollar over the past 12 months, making it the worst-performing major currency in 2024. The primary driver: Japan’s benchmark interest rate sits at 0.25%, while the Federal Reserve’s rate is 5.5% — a spread of over 500 basis points that incentivizes carry trades, where investors borrow yen to buy higher-yielding assets elsewhere.
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BOJ’s Gradual Tightening Fails to Stem the Tide
The Bank of Japan raised rates in July for the second time in 2024, moving its policy rate from 0.1% to 0.25%. Governor Kazuo Ueda has signaled further normalization could come if inflation — currently running at 2.8% — stays above the BOJ’s 2% target. But the pace has disappointed traders who expected more aggressive action.
“The BOJ is moving at a glacial pace compared to the Fed,” said Hiroshi Nakamura, a senior currency strategist at Mizuho Securities in Tokyo. “Until we see either a meaningful BOJ hike or a Fed cut, the yen is stuck in this range.”
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The market is pricing in a 60% chance of another BOJ rate increase by January 2025, according to swaps data compiled by Bloomberg. But even a move to 0.5% would leave Japan’s yield far below the U.S., Europe, or Australia.
Intervention Risk Lingers at 155
Japanese authorities have repeatedly warned they will intervene if the yen weakens too quickly. The Ministry of Finance spent roughly ¥9.8 trillion ($65 billion) in April and May to support the currency when it briefly broke above 160 per dollar. Finance Minister Shunichi Suzuki said last week that officials are watching currency moves “with a high sense of urgency.”
Traders see 155 as the likely trigger line for another intervention. That leaves the current 149–150 zone as a kind of no-man’s-land — too weak for comfort but not weak enough to provoke action.
The yen’s fate now depends heavily on external factors. The Fed’s September meeting will be critical: if the U.S. central bank cuts rates, the dollar-yen spread would narrow, giving the yen room to strengthen. If it holds steady, the yen could test 155 again.
For now, the currency remains coiled — leaning on everyone but Japan.
