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Key Takeaways
- The Bank of Japan raised rates 25 basis points to 1.25%, a 31-year high, citing inflation risk from rising import and energy costs.
- Bitcoin rose to $77,400 despite the hike, while the yen weakened further against the dollar to 156.70.
- Japan’s rate gap with the U.S. remains around 2.5 percentage points, keeping yen carry trades attractive and helping explain why the hike didn’t trigger major market disruption.
The Bank of Japan raised its benchmark interest rate by 25 basis points to 1.25% on Friday, the highest level in 31 years, citing risks that inflation would exceed its 2% target amid rising import costs and energy prices. Bitcoin climbed to $77,400 following the decision, while the yen weakened against the U.S. dollar.
Second Hike in Three Months
Friday’s move marks the Bank of Japan’s second rate increase in three months as the central bank continues unwinding a policy of near-zero interest rates that had defined Japanese monetary policy for more than a decade.
The bank framed the increase as a response to inflation risk rather than a shift in its broader policy stance, pointing specifically to rising import and energy costs as the drivers behind the move.
The decision follows weeks of pressure from U.S. Treasury Secretary Scott Bessent, who had publicly urged Tokyo to raise rates faster to support the yen. According to Bessent:
“An orderly yen market benefits stability in the U.S. Treasury market.”
He separately defended a coordinated yen-buying intervention as serving U.S. interests. That public pressure from a senior U.S. official on Japanese monetary policy is itself notable, since central bank independence is typically treated as a norm among major economies.
The USD/JPY exchange rate rose to 156.70 from 156.20 following the announcement, reflecting the yen’s decline against the dollar even as Japanese rates moved higher.
A weaker yen despite a rate hike suggests markets viewed Friday’s increase as already priced in or as insufficient on its own to reverse the currency’s longer-running slide.
Bitcoin Extends Overnight Rebound
Bitcoin’s dollar-denominated price rose to $77,400, extending a rebound from an overnight low of $76,200 recorded ahead of the rate announcement.
The bitcoin-yen pair listed on Tokyo-based exchange bitFlyer gained 0.5% to 12.06 million yen following the rate decision. This is a smaller percentage move than Bitcoin’s dollar-denominated gain, reflecting the yen’s own depreciation over the same window.
The rate decision landed just days after the Federal Reserve raised its own benchmark rate by 25 basis points to a range of 3.75% to 4%, marking the Fed’s first increase since 2023.
Goldman Sachs and Morgan Stanley have both said they expect the Fed to raise rates again in October, according to their published forecasts. This would extend a tightening cycle across two of the world’s largest central banks within the same month.
Why Japan’s Rate Moves Ripple Through Global Markets
Bank of Japan policy decisions carry outsized influence on global markets because of Japan’s decade-plus stretch of near-zero interest rates. This encouraged traders to borrow yen cheaply and invest the proceeds in higher-yielding assets elsewhere, a strategy known as the yen carry trade.
Because that trade depends on a wide gap between Japanese and foreign interest rates, any move that narrows the gap risks prompting traders to unwind their positions, selling the higher-yielding assets and buying back yen to repay what they borrowed.
An abrupt unwinding of that trade has previously coincided with sharp market moves. A sell-off across equities and Bitcoin in August 2024 was linked by some market participants at the time to carry-trade unwinding following an earlier, larger Bank of Japan rate increase.
That episode is often cited as a cautionary example of how a relatively modest policy change in Tokyo can translate into outsized volatility in markets with no direct connection to Japan. Even after Friday’s increase, Japanese interest rates remain well below U.S. rates, preserving a gap of roughly two and a half percentage points between the two countries’ benchmark rates.
That gap continues to make yen-funded carry trades economically attractive, which may help explain why Friday’s hike did not trigger the kind of market disruption some investors have worried about following previous Bank of Japan tightening moves.
A rate increase alone does not necessarily collapse the carry trade; it is the pace and scale of the gap’s narrowing that markets tend to react to most sharply.
