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SPY vs SRV: Correlation

Measured on weekly returns over the past three years, SPDR S&P 500 ETF Trust (SPY) and NXG Cushing Midstream Energy Fund (SRV) carry a correlation of 0.26, a weak link.

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

Correlation (3Y)
0.26
weak
Correlation (1Y)
-0.11
last 12 months
Correlation (5Y)
0.36
long-run
Ann. covariance
95.5
%² · weekly, annualized

How correlated are SPY and SRV?

Across a 3-year window, the weekly returns of SPY and SRV correlate at 0.26, weak. The link has loosened recently: the 1-year correlation (-0.11) runs below the 3-year figure (0.26). Stretching to 5 years gives 0.36, with an annualized covariance of 95.5 %².

Within SPY's tracked universe of 4755 assets, SRV comes in at #2670 by 3-year correlation. On 12-month performance SRV holds a 5.2-point edge, +20.6% against +25.8%. Note the risk asymmetry: SRV runs 1.7 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.

SPY vs SRV: side by side

SPY (SPDR S&P 500 ETF Trust)SRV (NXG Cushing Midstream Energy Fund)
1-year return+20.6%+25.8%
5-year return+82.4%+220.3%
Volatility (ann.)14.5%25.1%
Beta vs S&P 5001.000.46
Max drawdown (3Y)-18.8%-26.3%
Market cap$0.3B
P/E (trailing)3.1
Dividend yield1.01%0.00%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryETF · US Large CapUS Listed
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -26.3%Higher 5y return: SRV +220.3% vs +82.4%

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.

-7%0%+35%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. SPY · SRV

Year-by-year returns

YearSPYSRV
2022-18.2%+20.1%
2023+26.2%+16.8%
2024+24.9%+50.7%
2025+17.7%+5.0%
2026+13.7%+26.8%

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

Are SPY and SRV good diversifiers for each other?

A fair diversifier. At 0.26, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between SPY and SRV?

The SPY/SRV correlation stands at 0.26 on a 3-year window (1 year: -0.11, 5 years: 0.36), computed from weekly returns as of 2026-08-27.

Is SRV a good diversifier for SPY?

A fair diversifier. At 0.26, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.26 mean?

On the −1 to +1 scale, 0.26 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.

Use this data

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SPY vs SRV: 3-year weekly correlation 0.26SPY vs SRV0.26

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Hubs: SPY correlations · SRV correlations