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COINTSLAMSTRCore thesis · 5/5Save idea

Avoid long-duration low-coupon convertible bonds

The bearish case argued for the convertible bond market is that long-duration, low-coupon issues offer little margin for error and high risk of loss in a higher-rate environment.

The argument

The guest argued that with short rates around 4.5%, issuing 0% coupon convertibles is unsustainable over the long term. He warned that as you go four to seven years out, credit spreads cannot tighten enough to offset potential volatility compression, leaving very few ways to win on a correlated basis.

The thesis, stress-tested
✓ What validates it
  • Implied volatility compression in long-dated convertibles without offsetting credit spread tightening
  • A rise in defaults or restructurings among low-coupon issuers
▸ Risks discussed
  • Sustained high realized volatility in specific names could temporarily justify rich valuations
  • Inflows from non-valuation-sensitive buyers like indexers can keep prices elevated
Hear it yourself
"When he last joined the podcast in 2021, the Fed was still at zero, five year yields were 75 basis points, and Dave warned investors to avoid long duration low coupon converts."
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COIN: Avoid long-duration low-coupon convertible bonds · Zortix