Mizuho Securities
May 20, 2026
20y JGB Auction Preview
Rates StrategyRates Govt BondsFXCommoditiesOther
Mizuho previews the upcoming 20y JGB auction, suggesting that while yields above 3.5% offer strong support, risks from the US-Iran conflict and BOJ hawkishness could lead to cautious bidding.
Key Takeaways
- 1.Current 20y JGB yields (~3.7%) are at levels likely to attract absolute-income investors, despite geopolitical and fiscal concerns.
- 2.Market participants are wary of a potential 'hawkish turn' by the BOJ in June, fueled by yen weakness and crude oil-driven inflation risks.
- 3.Fiscal deterioration concerns have emerged following reports of a potential supplementary budget, though MOF issuance capacity appears stable.
Table of Contents
- (1) Positives and negatives ahead of the 20y auction
- POTENTIAL POSITIVES
- POTENTIAL NEGATIVES
- Pre-auction comment
- CONSIDER TACTICAL OUTRIGHT LONGS AS WELL AS LONGER-TERM 20Y ASW PLAYS
- (2) Key charts
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Authors
Yuhi Kawano
Securities
JL19620y JGBUSDJPYWTI
Themes
Sovereign Debt Auction DynamicsGeopolitical Impact on MarketsMonetary and Fiscal Policy Interplay
Regions
Asia PacificJapanUnited StatesIran
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