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CFFN vs THFF: Correlation

How closely do Capitol Federal Financial, Inc. (CFFN) and First Financial Corporation (THFF) trade together? Their weekly returns over three years give a correlation of 0.78, which is strong.

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

Correlation (3Y)
0.78
strong
Correlation (1Y)
0.85
last 12 months
Correlation (5Y)
0.75
long-run
Ann. covariance
673.0
%² · weekly, annualized

How correlated are CFFN and THFF?

On 3 years of weekly data the CFFN/THFF correlation comes out at 0.78, strong. The relationship has been stable: the 1-year correlation (0.85) sits close to the 3-year figure. The 5-year figure is 0.75, and annualized covariance runs at 673.0 %².

THFF is one of the assets that tracks CFFN most closely: it ranks #3 out of the 14 assets we track against CFFN. Their 12-month results are close: +41.0% for CFFN against +38.8% for THFF.

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.

CFFN vs THFF: side by side

CFFN (Capitol Federal Financial, Inc.)THFF (First Financial Corporation)
1-year return+41.0%+38.8%
5-year return+4.8%+135.2%
Volatility (ann.)30.6%28.2%
Beta vs S&P 5000.780.81
Max drawdown (3Y)-29.0%-20.2%
Market cap$1.1B$0.9B
P/E (trailing)13.311.1
Dividend yield3.93%2.77%
Sector / categoryUS ListedUS Listed
Lower P/E: THFF 11.1 vs 13.3Higher yield: CFFN 3.93% vs 2.77%Smaller drawdown: THFF -20.2% vs -29.0%Higher 5y return: THFF +135.2% vs +4.8%
-11%0%+45%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). CFFN · THFF

Year-by-year returns

YearCFFNTHFF
2022-16.3%+4.4%
2023-21.2%-2.6%
2024-2.9%+11.1%
2025+22.0%+36.2%
2026+31.8%+35.0%

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

Are CFFN and THFF good diversifiers for each other?

Only partially. A correlation of 0.78 means CFFN and THFF 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 CFFN and THFF?

As of 2026-08-27, the correlation of weekly returns between CFFN and THFF is 0.78 over 3 years, 0.85 over 1 year and 0.75 over 5 years.

Is THFF a good diversifier for CFFN?

Only partially. A correlation of 0.78 means CFFN and THFF share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.78 mean?

On the −1 to +1 scale, 0.78 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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CFFN vs THFF: 3-year weekly correlation 0.78CFFN vs THFF0.78

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Hubs: CFFN correlations · THFF correlations