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BHK vs BND: Correlation

Measured on weekly returns over the past three years, Blackrock Core Bond Trust (BHK) and Vanguard Total Bond Market ETF (BND) carry a correlation of 0.74, a strong link.

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

Correlation (3Y)
0.74
strong
Correlation (1Y)
0.80
last 12 months
Correlation (5Y)
0.68
long-run
Ann. covariance
47.4
%² · weekly, annualized

How correlated are BHK and BND?

Over the past 3 years, BHK and BND moved with a correlation of 0.74, which is strong. Recent behaviour matches the longer record: 0.80 over 1 year against 0.74 over 3. Over 5 years the correlation is 0.68, and the annualized covariance of weekly returns is 47.4 %².

Few assets follow BHK as closely as BND, which ranks #2 of 17 tracked partners. Their 12-month results are close: +4.2% for BHK against +2.3% for BND. Note the risk asymmetry: BHK runs 2.4 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

BHK vs BND: side by side

BHK (Blackrock Core Bond Trust)BND (Vanguard Total Bond Market ETF)
1-year return+4.2%+2.3%
5-year return-15.3%-1.3%
Volatility (ann.)12.4%5.2%
Beta vs S&P 5000.280.06
Max drawdown (3Y)-16.6%-4.7%
Market cap
P/E (trailing)12.9
Dividend yield9.85%
Sector / categoryUS ListedETF · Bonds
Smaller drawdown: BND -4.7% vs -16.6%Higher 5y return: BND -1.3% vs -15.3%
-4%0%+3%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BHK · BND

Year-by-year returns

YearBHKBND
2022-32.6%-13.1%
2023+14.3%+5.7%
2024+3.9%+1.4%
2025+0.3%+7.1%
2026+1.6%+0.2%

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

Are BHK and BND good diversifiers for each other?

Only partially. A correlation of 0.74 means BHK and BND 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 BHK and BND?

The BHK/BND correlation stands at 0.74 on a 3-year window (1 year: 0.80, 5 years: 0.68), computed from weekly returns as of 2026-08-27.

Is BND a good diversifier for BHK?

Only partially. A correlation of 0.74 means BHK and BND share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.74 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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BHK vs BND: 3-year weekly correlation 0.74BHK vs BND0.74

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Hubs: BHK correlations · BND correlations