What Happens to High Yield Credit (HYG) When 30-Year Treasury Yields Surge?
What happens when 30-year Treasury yields surge above 5%? Bond market stress, fiscal concerns, and equity multiple compression.
How High Yield Credit (HYG) Responds
Scenario Background
The 30-year Treasury yield represents long-duration borrowing costs for the US government and serves as the benchmark for 30-year mortgages, corporate bonds, and long-dated interest rate derivatives. A surge above 5% signals market concern about fiscal sustainability, long-term inflation expectations, or Fed credibility.
Read full scenario analysis →Historical Context
The 30Y yield averaged 6-8% in the 1990s, reached 14% in 1981, and fell to a record low of 0.99% in March 2020. The 2022-2024 cycle saw 30Y yields rise from 1.0% to 5.1% in October 2023, the fastest rise in modern history. The last sustained period above 5% was 2007. Prior to the Great Financial Crisis, 5%+ was common; post-crisis it was exceptional until 2023. The 30Y-3M spread hitting record inversions during 2022-2024 reflected market concern about near-term Fed policy more than long-term con...
What to Watch For
- •Term premium estimates rising sharply
- •30Y auction tail sizes widening
- •Foreign central bank Treasury holdings declining
- •MOVE Index (Treasury volatility) above 130
- •30Y-10Y spread steepening aggressively (bear steepener)
Other Assets When 30-Year Treasury Yields Surge
Other Scenarios Affecting High Yield Credit (HYG)
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