Japan Monetary Base Falls 12.3% in May; 10-Year JGB Auction Yields 2.649%

Key facts

• Japan's monetary base decreased by 12.3% in May.
• The May monetary base decrease was larger than the prior period's 11.3%.
• The May monetary base decrease missed the forecast of -9.5%.
• The 10-year JGB auction yield was 2.649%.
• The previous 10-year JGB auction yield was 2.54%.

The monetary base, comprising currency in circulation and commercial bank reserves at the central bank, is a key indicator of monetary policy. A contraction can signal tighter conditions or reduced economic activity. The rise in the 10-year JGB auction yield suggests increasing borrowing costs for the Japanese government and potential shifts in market expectations regarding monetary policy.