What do Japanese bond investors have to do with the prices of grain or livestock? Directly, not much, but when they make sudden shifts it can send ripple effects across all markets. So it’s worth paying attention to the Bank of Japan and the market’s reaction to its latest policy moves.
The Bank of Japan raised its key policy rate on Friday to its highest level in 30 years to 0.75% from 0.5%, citing sticky inflation. The hike comes after the U.S. Federal Reserve last week delivered the latest in a series of rate cuts. The yen actually weakened after the move, in part because BOJ Governor Kazuo Ueda was murky on the prospects for additional tightening. But the yen has rebounded more than 8% versus a broadly weaker U.S. dollar over the last six months in part to the contrasting monetary policy stances between the two countries.
And expectations for further tightening could mean more yen strength, which could threaten what’s known as the “carry trade,” in which traders borrow in cheap yen to buy higher-yielding assets, such as U.S. Treasuries and equities, elsewhere.
The bigger worry, however, is that the slow move away from ultralow interest rates raises the attractiveness of Japanese government bonds to domestic Japanese investors. The Treasury market has seen occasional bouts of volatility, including in the summer of 2023, on such concerns. Japanese investors have vast holdings of U.S. fixed income, and anything that sends them running for the exits would serve to lift U.S. yields and strengthen the dollar, with implications for other markets. That isn’t a prediction or base-case scenario, but it’s smart to be aware of where lie the potential fault lines in the global financial system.
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