Mizuho Securities
May 22, 2026
April JSDA OTC Bond Trading Volume
Market ReportRates Govt BondsRates CreditFXFinancials
This Mizuho Securities report analyzes April 2026 JSDA OTC bond trading data, highlighting a reversal in foreign investor flattener positions and a return of domestic dip-buying in JGBs.
Key Takeaways
- 1.Foreign investors appear to be unwinding flattener positions in JGBs, selling super-long sectors while buying long-term maturities.
- 2.Domestic insurers returned to the super-long JGB market as net buyers for the first time since July 2025, attracted by higher yields.
- 3.Major banks resumed net purchases of medium-term JGBs for the first time in six months as markets priced in hawkish BOJ policy scenarios.
Table of Contents
- (1) JGBs
- 1) MAJOR BANKS: BOUGHT UP MEDIUM-TERM JGBS FOR THE FIRST TIME SINCE OCTOBER 2025
- 2) REGIONAL FINANCIAL INSTITUTIONS: NET BUYERS RIGHT ACROSS THE CURVE FOR THE FIRST TIME IN FIVE MONTHS
- 3) INSURERS: BOUGHT UP SUPER-LONG JGBs FOR THE FIRST TIME IN NINE MONTHS
- 4) TRUST BANKS: NET PURCHASES OF COUPON-BEARING JGBS EXCEEDED JPY1 TRILLION WITH THE SUPER-LONG SECTOR MOST HEAVILY BOUGHT
- 5) FOREIGNERS: NET PURCHASES OF COUPON-BEARING JGBS STILL EXCEEDED JPY1 TRILLION BUT WERE WELL DOWN FROM MARCH
- 6) FINANCIAL INSTITUTIONS FOR AGRICULTURE & FORESTRY + OTHERS
- (2) Non-JGBs
- Investor Classification
Document Preview
Access the Full Report
Get unlimited access to institutional research reports with a 14-day free trial.
Authors
Noriatsu TanjiYurie SuzukiYuki MatsudaKaede Aki
Securities
JGBJapanese Corporate BondsFILP agency bondsSamurai Bonds
Themes
Yield Curve Dynamics (Flatteners vs Steepeners)Geopolitical Geopolitics (Iran Conflict)BOJ Policy NormalizationInvestor Rebalancing
Regions
Asia PacificJapan
Related Reports
30y JGB Auction Preview
Jun 12, 2026
Foreign Exchange Fund Special Account Surplus to Fund Consumption Tax Cut
Jun 12, 2026
BOJ Expected To Hike At June Meeting
Jun 11, 2026
Foreign Exchange Fund Special Account Surplus to Fund Consumption Tax Cut, FILP Bonds for Increased Defense Spending
Jun 11, 2026
30y JGB Auction Preview
Jun 11, 2026
