Finvaulta
Mizuho Securities logo
Mizuho Securities

February 4, 2026

30-Year JGB Auction Preview

Rates StrategyRates Govt BondsOther

Mizuho previews the upcoming 30y JGB auction, noting that while high yields and future supply reductions are supportive, fiscal risks from the February 8 election create uncertainty. The analyst recommends entering via asset swaps rather than outright positions to mitigate volatility.

Key Takeaways

  • 1.The upcoming 30y JGB auction (JX89) for ~JPY700 billion is significantly influenced by the February 8 lower house election and fiscal expansion concerns.
  • 2.Yields remain historically high at 3.635%, which may attract income-minded investors despite recent volatility.
  • 3.Asset swaps (ASW) are recommended over outright entry to hedge against potential further interest rate rises following the election.

Table of Contents

  • (1) Positives and negatives ahead of the 30y auction
  • POTENTIAL POSITIVES
  • POTENTIAL NEGATIVES
  • Auction strategy²
  • (2) Key charts

Document Preview

Page 1 of 5
Page 1 of 30-Year JGB Auction Preview
Subscribe for full access

Access the Full Report

Get unlimited access to institutional research reports with a 14-day free trial.