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ACNB vs WTBA: Correlation

How closely do ACNB Corporation (ACNB) and West Bancorporation (WTBA) trade together? Their weekly returns over three years give a correlation of 0.76, which is strong.

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

Correlation (3Y)
0.76
strong
Correlation (1Y)
0.76
last 12 months
Correlation (5Y)
0.64
long-run
Ann. covariance
780.9
%² · weekly, annualized

How correlated are ACNB and WTBA?

Over the past 3 years, ACNB and WTBA moved with a correlation of 0.76, which is strong. The relationship has been stable: the 1-year correlation (0.76) sits close to the 3-year figure. Over 5 years the correlation is 0.64, and the annualized covariance of weekly returns is 780.9 %².

By 3-year correlation, WTBA places #5 of the 11 assets tracked against ACNB. Their 12-month results are close: +45.8% for ACNB against +47.9% for WTBA.

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.

ACNB vs WTBA: side by side

ACNB (ACNB Corporation)WTBA (West Bancorporation)
1-year return+45.8%+47.9%
5-year return+163.7%+16.8%
Volatility (ann.)33.7%30.5%
Beta vs S&P 5000.810.75
Max drawdown (3Y)-34.6%-26.9%
Market cap$0.7B$0.5B
P/E (trailing)12.112.6
Dividend yield2.36%3.53%
Sector / categoryUS ListedUS Listed
Lower P/E: ACNB 12.1 vs 12.6Higher yield: WTBA 3.53% vs 2.36%Smaller drawdown: WTBA -26.9% vs -34.6%Higher 5y return: ACNB +163.7% vs +16.8%
-5%0%+53%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ACNB · WTBA

Year-by-year returns

YearACNBWTBA
2022+31.2%-14.4%
2023+16.2%-12.4%
2024-8.0%+7.7%
2025+25.2%+7.7%
2026+36.8%+31.7%

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

Are ACNB and WTBA good diversifiers for each other?

Somewhat, no more. With 0.76 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between ACNB and WTBA?

As of 2026-08-27, the correlation of weekly returns between ACNB and WTBA is 0.76 over 3 years, 0.76 over 1 year and 0.64 over 5 years.

Is WTBA a good diversifier for ACNB?

Somewhat, no more. With 0.76 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.76 mean?

On the −1 to +1 scale, 0.76 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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ACNB vs WTBA: 3-year weekly correlation 0.76ACNB vs WTBA0.76

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Related comparisons

Hubs: ACNB correlations · WTBA correlations