Japanese short-term interest rate at highest level in more than 30 years

The yield on Japanese short-term government bonds is soaring to levels not seen in more than thirty years. The 3-month rate stands at 1.25%, its highest point in 31.5 years, while the 6-month rate reaches 1.34%, a thirty-year high. Strikingly, both rates were negative less than two years ago.

In brief:

• The Japanese 3-month government bond yield reaches 1.25%, the highest level in 31.5 years.
• The 6-month yield rises to 1.34%, also a level not seen in decades.
• Both yields were negative until recently, which makes the speed of the rise remarkable.

From negative to highest level in decades

The rise in Japanese short-term interest rates is remarkably fast in historical perspective. Whereas the 3-month and 6-month rates were in negative territory until recently, they have risen sharply in a short time.

For years, Japan pursued a policy of extremely low and negative interest rates to stimulate the economy. That period now appears to be definitively over. The Japanese central bank, the Bank of Japan, has gradually tightened its interest rate policy in recent times, which is feeding through into market interest rates on short-term government debt.

Market reacts as if a bond crisis is approaching

The movement in the bond market is drawing international attention. Macro analyst macropaperr writes on X that the speed of the rise is reminiscent of an approaching bond crisis.

Whether that scenario is actually looming remains unclear for now. But the chart of the Japanese short-term interest rate shows an almost uninterrupted rise over recent months, which keeps market participants alert.

Japan has one of the highest levels of government debt in the world, largely held by domestic investors and the central bank itself. A sustained rise in interest rates increases the government’s financing costs and could put pressure on Japanese financial institutions that hold large positions in government bonds. That makes the further development of Japanese interest rates a point of attention for international markets.