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June 22, 2026

May JSDA Trading Volume of Over-the-Counter Bonds

Monthly UpdateRates Govt BondsFinancials

The report analyzes May 2026 JSDA trading volume data, highlighting how major Japanese institutional investors reacted to rising JGB yields through dip-buying. Trust banks emerged as the primary net buyers, while insurers turned net sellers of super-long JGBs.

Key Takeaways

  • 1.JGB yields rose sharply in May, prompting dip-buying behavior among domestic and overseas investors.
  • 2.Trust banks were the largest net buyers of JGBs, significantly increasing holdings across all sectors, particularly super-long JGBs.
  • 3.Foreigners continued net buying of JGBs, though reduced their exposure to the medium-term sector amid speculation of BOJ rate hikes.

Table of Contents

  • JGBs
  • MAJOR BANKS: NET BUYERS RIGHT ACROSS THE CURVE FOR THE FIRST TIME IN TEN MONTHS
  • REGIONAL FINANCIAL INSTITUTIONS: CONTINUED TO BUY UP MEDIUM- AND LONG-TERM JGBS
  • INSURERS: SWITCHED BACK TO NET SELLERS OF SUPER-LONG JGBS
  • TRUST BANKS: BOUGHT UP COUPON-BEARING JGBS TO THE TUNE OF MORE THAN JPY2 TRILLION WITH A PARTICULAR FOCUS ON THE SUPER-LONG SECTOR
  • FOREIGNERS: NET BUYERS RIGHT ACROSS THE CURVE, BUT CUT BACK IN THE MEDIUM-TERM SECTOR
  • FINANCIAL INSTITUTIONS FOR AGRICULTURE & FORESTRY + OTHERS: AGRICULTURAL LENDERS' INCREASE IN NET SALES OF SUPER-LONG JGBS MAY HAVE REFLECTED FISCAL CONCERNS
  • Non-JGBs

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Authors

Noriatsu TanjiYuki MatsudaToshiki KamiokaKaede Aki

Securities

Japanese Government Bonds

Themes

Dip-buying in rising yield environmentsBOJ policy uncertaintyFiscal concerns

Regions

Asia PacificJapan