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GWRS vs RSP: Correlation

How closely do Global Water Resources, Inc. (GWRS) and Invesco S&P 500 Equal Weight ETF (RSP) trade together? Their weekly returns over three years give a correlation of 0.54, which is moderate.

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

Correlation (3Y)
0.54
moderate
Correlation (1Y)
0.44
last 12 months
Correlation (5Y)
0.46
long-run
Ann. covariance
202.5
%² · weekly, annualized

How correlated are GWRS and RSP?

Over the past 3 years, GWRS and RSP moved with a correlation of 0.54, which is moderate. The link has loosened recently: the 1-year correlation (0.44) runs below the 3-year figure (0.54). Over 5 years the correlation is 0.46, and the annualized covariance of weekly returns is 202.5 %².

Among the 11 assets we track against GWRS, RSP ranks #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months RSP outperformed by 20.8 percentage points (-1.6% for GWRS against +19.2% for RSP). One caveat on sizing: GWRS is 2.2 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

GWRS vs RSP: side by side

GWRS (Global Water Resources, Inc.)RSP (Invesco S&P 500 Equal Weight ETF)
1-year return-1.6%+19.2%
5-year return-47.4%+53.9%
Volatility (ann.)28.4%13.2%
Beta vs S&P 5000.670.77
Max drawdown (3Y)-48.4%-17.8%
Market cap$0.3B
P/E (trailing)83.4
Dividend yield3.28%1.49%
Expense ratio0.20%
Assets under management$97.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: GWRS 3.28% vs 1.49%Smaller drawdown: RSP -17.8% vs -48.4%Higher 5y return: RSP +53.9% vs -47.4%

On the fund side, RSP sits in the Large Blend category at Invesco, with $97.3B under management, 505 holdings, a 0.20% expense ratio, a 1.49% trailing dividend yield.

-30%0%+20%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. GWRS · RSP

Year-by-year returns

YearGWRSRSP
2022-20.7%-11.6%
2023+1.0%+13.7%
2024-10.0%+12.8%
2025-24.4%+11.2%
2026+11.3%+16.5%

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

Are GWRS and RSP good diversifiers for each other?

Only partially. A correlation of 0.54 means GWRS and RSP 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 GWRS and RSP?

As of 2026-08-27, the correlation of weekly returns between GWRS and RSP is 0.54 over 3 years, 0.44 over 1 year and 0.46 over 5 years.

Is RSP a good diversifier for GWRS?

Only partially. A correlation of 0.54 means GWRS and RSP share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.54 mean?

On the −1 to +1 scale, 0.54 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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GWRS vs RSP: 3-year weekly correlation 0.54GWRS vs RSP0.54

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Hubs: GWRS correlations · RSP correlations