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HYG vs IEF: Correlation

Measured on weekly returns over the past three years, iShares iBoxx High Yield Corporate Bond ETF (HYG) and iShares 7-10 Year Treasury Bond ETF (IEF) carry a correlation of 0.55, a moderate link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.55
moderate
Correlation (1Y)
0.58
last 12 months
Correlation (5Y)
0.47
long-run
Ann. covariance
16.7
%² · weekly, annualized

How correlated are HYG and IEF?

On 3 years of weekly data the HYG/IEF correlation comes out at 0.55, moderate. Recent behaviour matches the longer record: 0.58 over 1 year against 0.55 over 3. The 5-year figure is 0.47, and annualized covariance runs at 16.7 %².

Within HYG's tracked universe of 46 assets, IEF comes in at #29 by 3-year correlation. Their 12-month results are close: +4.6% for HYG against +0.9% for IEF. This link changes with the market regime, having swung between 0.06 and 0.80 on a rolling one-year basis.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved over the past three years.
How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

HYG vs IEF: side by side

HYG (iShares iBoxx High Yield Corporate Bond ETF)IEF (iShares 7-10 Year Treasury Bond ETF)
1-year return+4.6%+0.9%
5-year return+19.9%-7.9%
Volatility (ann.)4.7%6.5%
Beta vs S&P 5000.220.04
Max drawdown (3Y)-4.6%-6.9%
Dividend yield5.94%3.96%
Expense ratio0.49%0.15%
Assets under management$17.1B$47.2B
Sector / categoryETF · BondsETF · Bonds
Lower fee: IEF 0.15% vs 0.49%Higher yield: HYG 5.94% vs 3.96%Smaller drawdown: HYG -4.6% vs -6.9%Higher 5y return: HYG +19.9% vs -7.9%

HYG is a High Yield Bond fund from iShares: $17.1B under management, a 0.49% expense ratio, a 5.94% trailing dividend yield. On the fund side, IEF sits in the Long Government category at iShares, with $47.2B under management, a 0.15% expense ratio, a 3.96% trailing dividend yield.

-1%0%+4%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). HYG · IEF

Year-by-year returns

YearHYGIEF
2022-11.0%-15.2%
2023+11.5%+3.6%
2024+8.0%-0.6%
2025+8.6%+8.0%
2026+2.5%-0.8%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are HYG and IEF good diversifiers for each other?

Only partially. A correlation of 0.55 means HYG and IEF share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between HYG and IEF?

As of 2026-08-27, the correlation of weekly returns between HYG and IEF is 0.55 over 3 years, 0.58 over 1 year and 0.47 over 5 years.

Is IEF a good diversifier for HYG?

Only partially. A correlation of 0.55 means HYG and IEF share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.55 mean?

On the −1 to +1 scale, 0.55 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

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HYG vs IEF: 3-year weekly correlation 0.55HYG vs IEF0.55

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Hubs: HYG correlations · IEF correlations