The Bank of Japan raised its short-term policy rate by 25 basis points to 1% on Tuesday. The adjustment pushes Japanese borrowing costs to their highest point since 1995, accelerating the country’s retreat from decades of ultra-loose monetary policy. Officials cited persistent underlying inflation, driven heavily by energy cost shocks and higher crude oil prices resulting from the recent US-Iran conflict and related supply chain disruptions.
Global risk asset markets are closely monitoring the resulting liquidity shift. Bitcoin maintained a position above $66,000 following a relief rally tied to the US-Iran peace agreement, but digital assets now face structural risks from the unwinding of the yen carry trade. Investors traditionally borrow cheap yen to purchase higher-yielding assets, and rising domestic interest rates alter that equation.
Key Details
- The policy board approved the rate increase in a 7-1 vote.
- The central bank will pause its bond tapering program starting in April 2027 to stabilize the long end of the yield curve.
- Japan’s Nikkei 225 stock average surged following the announcement, briefly crossing the 70,000-point threshold.
The 7-1 vote occurred without BOJ Governor Kazuo Ueda, who is currently hospitalized with an infection. Deputy Governor Ryozo Himino chaired the policy session in his absence, and Deputy Governor Shinichi Uchida managed the subsequent press conference.
To ease institutional fears of a sudden liquidity crunch, the BOJ announced concurrent stabilizing measures. The central bank committed to maintaining government bond purchases at approximately 2 trillion yen ($12.5 billion) per month when the tapering pause takes effect next year.
Why the Yen Carry Trade Threatens Crypto Liquidity
The transition to a 1% interest rate fundamentally alters the mechanics of the global yen carry trade. Institutional investors rely on near-zero Japanese interest rates to cheaply fund speculative positions in volatile sectors like cryptocurrency and high-growth technology equities.
When the BOJ increases rates, the cost of servicing those yen-denominated loans rises, forcing traders to liquidate their risk assets to cover the debt. A similar central bank intervention occurred in August 2024, when a smaller 15-basis-point hike triggered a rapid unwinding event that stripped over $270 billion from the global cryptocurrency market capitalization in days. While the BOJ’s delayed bond tapering strategy aims to slow capital flight, Bitcoin and major tech stocks remain exposed to sudden capital reallocation.

