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CLBK vs FCF: Correlation

Measured on weekly returns over the past three years, Columbia Financial, Inc. (CLBK) and First Commonwealth Financial Corporation (FCF) carry a correlation of 0.77, a strong link.

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

Correlation (3Y)
0.77
strong
Correlation (1Y)
0.63
last 12 months
Correlation (5Y)
0.62
long-run
Ann. covariance
626.6
%² · weekly, annualized

How correlated are CLBK and FCF?

Across a 3-year window, the weekly returns of CLBK and FCF correlate at 0.77, strong. The past 12 months show a weaker link (0.63) than the 3-year average (0.77). Stretching to 5 years gives 0.62, with an annualized covariance of 626.6 %².

Few assets follow CLBK as closely as FCF, which ranks #2 of 11 tracked partners. Their recent paths diverged sharply: over the last 12 months CLBK outperformed by 50.4 percentage points (+70.7% for CLBK against +20.3% for FCF).

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.

CLBK vs FCF: side by side

CLBK (Columbia Financial, Inc.)FCF (First Commonwealth Financial Corporation)
1-year return+70.7%+20.3%
5-year return+45.5%+83.7%
Volatility (ann.)30.1%26.9%
Beta vs S&P 5000.640.72
Max drawdown (3Y)-33.9%-26.9%
Market cap$1.2B$2.1B
P/E (trailing)21.312.7
Dividend yield0.00%2.64%
Sector / categoryUS ListedUS Listed
Lower P/E: FCF 12.7 vs 21.3Higher yield: FCF 2.64% vs 0.00%Smaller drawdown: FCF -26.9% vs -33.9%Higher 5y return: FCF +83.7% vs +45.5%
-14%0%+74%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CLBK · FCF

Year-by-year returns

YearCLBKFCF
2022+3.6%-10.3%
2023-10.8%+14.8%
2024-18.0%+13.4%
2025-1.7%+3.0%
2026+67.0%+26.0%

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

Are CLBK and FCF good diversifiers for each other?

To a limited degree. At 0.77 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 CLBK and FCF?

As of 2026-08-27, the correlation of weekly returns between CLBK and FCF is 0.77 over 3 years, 0.63 over 1 year and 0.62 over 5 years.

Is FCF a good diversifier for CLBK?

To a limited degree. At 0.77 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 0.77 mean?

On the −1 to +1 scale, 0.77 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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$ curl https://www.pairbook.io/api/v1/pairs/clbk-vs-fcf.json

CLBK vs FCF: 3-year weekly correlation 0.77CLBK vs FCF0.77

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Related comparisons

Hubs: CLBK correlations · FCF correlations