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FNB vs TRMK: Correlation

Measured on weekly returns over the past three years, F.N.B. Corporation (FNB) and Trustmark Corporation (TRMK) carry a correlation of 0.88, a very strong link.

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

Correlation (3Y)
0.88
very strong
Correlation (1Y)
0.83
last 12 months
Correlation (5Y)
0.79
long-run
Ann. covariance
648.3
%² · weekly, annualized

How correlated are FNB and TRMK?

Across a 3-year window, the weekly returns of FNB and TRMK correlate at 0.88, very strong, meaning they move nearly in lockstep. Little has changed lately, as the 1-year reading of 0.83 lands near the 3-year figure. Stretching to 5 years gives 0.79, with an annualized covariance of 648.3 %².

Within FNB's tracked universe of 53 assets, TRMK comes in at #13 by 3-year correlation. Twelve-month performance is nearly a tie, at +13.4% for FNB and +16.5% for TRMK.

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.

FNB vs TRMK: side by side

FNB (F.N.B. Corporation)TRMK (Trustmark Corporation)
1-year return+13.4%+16.5%
5-year return+91.1%+69.7%
Volatility (ann.)27.4%27.0%
Beta vs S&P 5001.030.91
Max drawdown (3Y)-32.6%-22.0%
Market cap$6.6B$2.7B
P/E (trailing)11.011.8
Dividend yield2.65%2.12%
Sector / categoryUS ListedUS Listed
Lower P/E: FNB 11.0 vs 11.8Higher yield: FNB 2.65% vs 2.12%Smaller drawdown: TRMK -22.0% vs -32.6%Higher 5y return: FNB +91.1% vs +69.7%
-8%0%+22%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). FNB · TRMK

Year-by-year returns

YearFNBTRMK
2022+11.7%+10.7%
2023+9.8%-17.0%
2024+11.0%+30.6%
2025+19.4%+13.0%
2026+9.7%+20.0%

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

Are FNB and TRMK good diversifiers for each other?

No. With a correlation of 0.88, FNB and TRMK move nearly in lockstep, so holding both adds very little diversification.

FAQ

What is the correlation between FNB and TRMK?

As of 2026-08-27, the correlation of weekly returns between FNB and TRMK is 0.88 over 3 years, 0.83 over 1 year and 0.79 over 5 years.

Is TRMK a good diversifier for FNB?

No. With a correlation of 0.88, FNB and TRMK move nearly in lockstep, so holding both adds very little diversification.

What does a correlation of 0.88 mean?

On the −1 to +1 scale, 0.88 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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FNB vs TRMK: 3-year weekly correlation 0.88FNB vs TRMK0.88

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Related comparisons

Hubs: FNB correlations · TRMK correlations