Bogleheads On Investing Podcast

Episode 90, Vanguard's Perryne Desai discusses fixed income concepts and investment strategy, Rick Ferri host

11 snips
Jan 22, 2026
Perryne Desai, Head of Index Fixed Income Product at Vanguard, dives into the world of bonds and fixed-income investing. She breaks down key concepts like bond structure, including principal and yield relationships. Desai discusses the advantages of ETFs, the significance of international bonds, and how Vanguard aims to meet diverse investor needs. She also highlights the upcoming corporate target-maturity ETFs and the benefits of municipal bonds. This insightful conversation is packed with nuggets for anyone looking to navigate the bond market.
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INSIGHT

Aggregate Index Omits TIPS And High Yield

  • The U.S. taxable fixed-income market contains treasuries, mortgages, corporates, and more, making it complex.
  • The aggregate bond index excludes TIPS and high yield, which increases its composition differences from broader bond sets.
INSIGHT

Municipals Often Offer Steeper Yield Curves

  • Municipal bonds are tax-exempt and often offer steeper yield curves than treasuries.
  • That steeper muni curve can make longer-maturity munis attractive even at moderate tax rates.
INSIGHT

Duration And Convexity Explain Rate Sensitivity

  • Duration measures a bond's sensitivity to interest-rate changes and approximates percent price move per 1% rate change.
  • Convexity captures extra sensitivity from embedded options like mortgage prepayments.
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