High Yield (HYG) vs Long Treasury (TLT)
HYG (iShares iBoxx High Yield Corporate Bond ETF) tracks below-investment-grade US corporate debt with current yield approximately 7.5 percent (composed of 4.31 percent 10Y Treasury yield plus 2.84 percent HY OAS plus modest issue-specific premium). TLT (iShares 20+ Year Treasury Bond ETF) tracks long-duration Treasuries with yield 4.49 percent.
Also known as: High Yield Credit (HYG) (ETF_HYG, junk bond ETF) · 20Y+ Treasury ETF (long bonds, treasury ETF)
Why This Comparison Matters
HYG (iShares iBoxx High Yield Corporate Bond ETF) tracks below-investment-grade US corporate debt with current yield approximately 7.5 percent (composed of 4.31 percent 10Y Treasury yield plus 2.84 percent HY OAS plus modest issue-specific premium). TLT (iShares 20+ Year Treasury Bond ETF) tracks long-duration Treasuries with yield 4.49 percent. The pair captures credit-cycle versus duration-cycle dynamics. HYG outperformance signals credit-cycle health, tightening spreads, and risk appetite. TLT outperformance signals recession fears, safe-haven demand, or aggressive Fed cuts compressing long yields. Turns in HYG/TLT ratio often precede similar turns in equity markets by 1-3 months, making the pair a leading indicator of broader risk regime changes.
The April 2026 Configuration
HYG yield ~7.5 percent (10Y 4.31% + HY OAS 2.84% + issue premium); TLT yield 4.49 percent. HY OAS 2.84 percent is tight, near long-run lower-quartile of 2.5-3.5 percent. Long-run HY OAS average is approximately 5.5 percent.
HYG/TLT ratio approximately 0.92 (HYG ~$80 / TLT $87 estimate based on typical pricing). The 12-month range is 0.85-1.0. The 5-year range is 0.70-1.05 (TLT relative peak in 2020 zero-rate era).
The combined reading: tight HY spreads + elevated long-end yields. This is consistent with late-cycle expansion: credit conditions benign (low default expectations) but long-end Treasury market under term premium pressure. The configuration favors HYG modestly: high coupon income with limited spread widening risk; TLT compressed by term premium expansion.
How HYG and TLT Diverge
HYG and TLT have distinct drivers despite both being bond ETFs. HYG is dominated by credit risk (default expectations, recession risk) plus interest rate risk (modest given shorter HYG duration ~3.5 years). TLT is dominated by interest rate risk (Fed policy, term premium, fiscal trajectory) with no credit risk (Treasury default risk effectively zero).
The practical implication: HYG and TLT diverge during specific macro regimes. Risk-on/credit-tightening regimes: HYG outperforms TLT (spreads compress, supports HYG; long yields stable or rise on growth). Risk-off/recession-imminent regimes: TLT outperforms HYG (long yields compress on Fed cuts; HY spreads widen on default expectations).
Correlation between HYG and TLT averages 0.30-0.45 in normal conditions. During stress correlation can flip negative as HYG falls (spread widening) while TLT rallies (safe-haven flight). The 2022 anomaly: both fell together as rate rises hurt TLT and credit spreads still widened modestly.
HYG-vs-TLT as Recession Predictor
HYG/TLT ratio is one of the cleanest recession predictors available in cross-asset relationships. Three historical examples.
2007 pre-recession: HYG/TLT ratio fell from 1.05 (early 2007) to 0.65 (March 2009 bottom), 38 percent ratio compression. The compression preceded NBER
Conditional Forward Response (Tail Events)
How 20Y+ Treasury ETF has historically behaved in the 5 sessions following a top-decile or bottom-decile daily move in High Yield Credit (HYG). Computed from 1,287 aligned daily observations ending .
Following these triggers, 20Y+ Treasury ETF falls 0.18% on average over the next 5 sessions, versus an unconditional baseline of -0.21%. 129 qualifying events; 20Y+ Treasury ETF closed positive in 46% of them.
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Frequently Asked Questions
What are HYG and TLT?+
HYG (iShares iBoxx High Yield Corporate Bond ETF) tracks below-investment-grade US corporate debt with current yield ~7.5% (10Y 4.31% + HY OAS 2.84% + issue premium). TLT (iShares 20+ Year Treasury Bond ETF) tracks long-duration Treasuries with yield 4.49%. HYG/TLT ratio ~0.92 (12-month range 0.85-1.0; 5-year range 0.55-1.05). HYG dominated by credit risk + modest interest rate risk (duration ~3.5 years); TLT dominated by interest rate risk + zero credit risk. HY OAS 2.84% tight, near long-run lower-quartile 2.5-3.5%; long-run avg 5.5%.
How do HYG and TLT diverge?+
Distinct drivers despite both being bond ETFs. Risk-on/credit-tightening regimes: HYG outperforms (spreads compress; long yields stable/rise on growth). Risk-off/recession-imminent regimes: TLT outperforms (long yields compress on Fed cuts; HY spreads widen on default expectations). Correlation 0.30-0.45 normal conditions. During stress correlation can flip negative as HYG falls (spread widening) while TLT rallies (safe-haven). 2022 anomaly: both fell together as rate rises hurt TLT and credit spreads still widened modestly. HYG duration ~3.5 years vs TLT 17 years explains relative duration sensitivity.
How is HYG-vs-TLT a recession predictor?+
Three historical examples. 2007 pre-recession: HYG/TLT ratio fell from 1.05 (early 2007) to 0.65 (March 2009), 38% compression. Compression preceded NBER recession December 2007 by ~9 months. HYG -46% peak-to-trough; TLT +37%. 2020 COVID: ratio fell from 0.90 to 0.55, 39% compression in 6 weeks. Coincided with COVID lockdown shock. 2018-2019 pre-pandemic: ratio compressed modestly before COVID shock. Current April 2026 ratio 0.92 in normal range. Compression below 0.85 warrants monitoring; below 0.70 historically signals recession-imminent.
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