Mizuho Securities
May 28, 2026
Medium-Term Projections Of BOJ Bond Holdings Under Various Tapering Scenarios
Macro ThematicRates Govt BondsFinancials
Mizuho projects BOJ JGB holdings will fall to the JPY300 trillion range (approx. 40% of GDP) by FY2030 under various tapering scenarios. The report suggests the BOJ may halt or slow tapering after March 2027 as market functioning improves.
Key Takeaways
- 1.BOJ bond holdings are projected to decline to approximately 50% of their peak level by the end of FY2030 across several tapering scenarios.
- 2.The BOJ is likely to maintain its current tapering pace of JPY200 billion per quarter through Jan-Mar 2027, reducing monthly purchases to JPY2.1 trillion.
- 3.From April 2027, the BOJ may consider halting further tapering or slowing the pace, given improvements in market functioning and previous meaningful reductions in holdings.
Table of Contents
- Estimating BOJ bond holdings as percentage of nominal GDP
- Outlook for BOJ JGB purchases from Apr–Jun 2027 onward
- Important Disclosure Information
- Analyst Certification
- Disclaimer
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Authors
Yusuke Matsuo
Securities
Japanese Government Bonds
Themes
Monetary Policy PredictabilityQuantitative Tightening / Balance Sheet Normalization
Regions
Asia PacificJapan
