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MHF vs SPY: Correlation

Western Asset Municipal High Income Fund, Inc. (MHF) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.

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

Correlation (3Y)
0.38
moderate
Correlation (1Y)
0.53
last 12 months
Correlation (5Y)
0.41
long-run
Ann. covariance
66.6
%² · weekly, annualized

How correlated are MHF and SPY?

On 3 years of weekly data the MHF/SPY correlation comes out at 0.38, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.53 versus 0.38 over 3 years. The 5-year figure is 0.41, and annualized covariance runs at 66.6 %².

Out of 10 assets tracked against MHF, SPY lands near the bottom at #6. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 15.0 percentage points (+5.6% for MHF against +20.6% for SPY).

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.

MHF vs SPY: side by side

MHF (Western Asset Municipal High Income Fund, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+5.6%+20.6%
5-year return+6.2%+82.4%
Volatility (ann.)12.2%14.5%
Beta vs S&P 5000.321.00
Max drawdown (3Y)-13.3%-18.8%
Market cap$0.2B
P/E (trailing)18.0
Dividend yield5.93%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: MHF 5.93% vs 1.01%Smaller drawdown: MHF -13.3% vs -18.8%Higher 5y return: SPY +82.4% vs +6.2%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-6%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. MHF · SPY

Year-by-year returns

YearMHFSPY
2022-17.6%-18.2%
2023+4.6%+26.2%
2024+12.0%+24.9%
2025+7.2%+17.7%
2026+3.3%+13.7%

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

Are MHF and SPY good diversifiers for each other?

Reasonably. At 0.38, MHF and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between MHF and SPY?

As of 2026-08-27, the correlation of weekly returns between MHF and SPY is 0.38 over 3 years, 0.53 over 1 year and 0.41 over 5 years.

Is SPY a good diversifier for MHF?

Reasonably. At 0.38, MHF and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.38 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.

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MHF vs SPY: 3-year weekly correlation 0.38MHF vs SPY0.38

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Hubs: MHF correlations · SPY correlations