Bank of America
May 20, 2026
IG Bond Pricing New Issue vs Month End
Daily UpdateRates CreditFinancialsEnergy
US Investment Grade new bond issues tend to outperform secondary market spreads by approximately 3% by month-end, driven by index rebalancing demand.
Key Takeaways
- 1.US Investment Grade (IG) new bond issues typically trade about 3% tighter at month-end compared to their initial pricing due to pent-up index rebalancing demand.
- 2.The outperformance occurs in two stages: an immediate 'break performance' tightening of 2-3bps followed by a further 1% rally during the final 9 trading days of the month.
- 3.Short-maturity IG bonds (3-5 years) experience the strongest month-end tightening, averaging 5bps tighter than their original pricing.
Table of Contents
- IG bond pricing: new issue vs. the month end
- A two-step process
- A front-end story
- Daily supply snapshot
- Daily dealer inventories update
- Daily HG fund flows
- Daily foreign demand tracker
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Authors
Yuri SeligerSohyun Marie Lee
Securities
MRKECLAWKSCHW
Themes
Primary to Secondary IG PerformanceIndex Rebalancing Dynamics
Regions
North AmericaUnited States
