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RGCO vs TRMK: Correlation

How closely do RGC Resources Inc. (RGCO) and Trustmark Corporation (TRMK) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.

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

Correlation (3Y)
0.50
moderate
Correlation (1Y)
0.31
last 12 months
Correlation (5Y)
0.37
long-run
Ann. covariance
417.5
%² · weekly, annualized

How correlated are RGCO and TRMK?

Across a 3-year window, the weekly returns of RGCO and TRMK correlate at 0.50, moderate. The link has loosened recently: the 1-year correlation (0.31) runs below the 3-year figure (0.50). Stretching to 5 years gives 0.37, with an annualized covariance of 417.5 %².

TRMK is one of the assets that tracks RGCO most closely: it ranks #3 out of the 11 assets we track against RGCO. The trailing year gives TRMK the advantage: +1.9% versus +16.5%, a 14.6-point spread.

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.

RGCO vs TRMK: side by side

RGCO (RGC Resources Inc.)TRMK (Trustmark Corporation)
1-year return+1.9%+16.5%
5-year return+10.2%+69.7%
Volatility (ann.)31.0%27.0%
Beta vs S&P 5000.660.91
Max drawdown (3Y)-19.2%-22.0%
Market cap$0.2B$2.7B
P/E (trailing)16.211.8
Dividend yield3.91%2.12%
Sector / categoryUS ListedUS Listed
Lower P/E: TRMK 11.8 vs 16.2Higher yield: RGCO 3.91% vs 2.12%Smaller drawdown: RGCO -19.2% vs -22.0%Higher 5y return: TRMK +69.7% vs +10.2%
-8%0%+22%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). RGCO · TRMK

Year-by-year returns

YearRGCOTRMK
2022-0.6%+10.7%
2023-4.1%-17.0%
2024+2.5%+30.6%
2025+10.4%+13.0%
2026+5.4%+20.0%

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

Are RGCO and TRMK good diversifiers for each other?

To a limited degree. At 0.50 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between RGCO and TRMK?

The RGCO/TRMK correlation stands at 0.50 on a 3-year window (1 year: 0.31, 5 years: 0.37), computed from weekly returns as of 2026-08-27.

Is TRMK a good diversifier for RGCO?

To a limited degree. At 0.50 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.50 mean?

On the −1 to +1 scale, 0.50 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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RGCO vs TRMK: 3-year weekly correlation 0.50RGCO vs TRMK0.50

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Related comparisons

Hubs: RGCO correlations · TRMK correlations