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OVLY vs THFF: Correlation

Oak Valley Bancorp (CA) (OVLY) and First Financial Corporation (THFF) show a strong relationship: their 3-year correlation of weekly returns is 0.64.

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

Correlation (3Y)
0.64
strong
Correlation (1Y)
0.67
last 12 months
Correlation (5Y)
0.55
long-run
Ann. covariance
475.1
%² · weekly, annualized

How correlated are OVLY and THFF?

Across a 3-year window, the weekly returns of OVLY and THFF correlate at 0.64, strong. The relationship has been stable: the 1-year correlation (0.67) sits close to the 3-year figure. Stretching to 5 years gives 0.55, with an annualized covariance of 475.1 %².

THFF is one of the assets that tracks OVLY most closely: it ranks #3 out of the 11 assets we track against OVLY. Correlation aside, the last 12 months split them widely, with THFF ahead by 16.6 points (+22.2% versus +38.8%).

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.

OVLY vs THFF: side by side

OVLY (Oak Valley Bancorp (CA))THFF (First Financial Corporation)
1-year return+22.2%+38.8%
5-year return+111.8%+135.2%
Volatility (ann.)26.5%28.2%
Beta vs S&P 5000.560.81
Max drawdown (3Y)-26.3%-20.2%
Market cap$0.3B$0.9B
P/E (trailing)11.911.1
Dividend yield2.22%2.77%
Sector / categoryUS ListedUS Listed
Lower P/E: THFF 11.1 vs 11.9Higher yield: THFF 2.77% vs 2.22%Smaller drawdown: THFF -20.2% vs -26.3%Higher 5y return: THFF +135.2% vs +111.8%
-12%0%+45%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). OVLY · THFF

Year-by-year returns

YearOVLYTHFF
2022+32.4%+4.4%
2023+33.9%-2.6%
2024-0.7%+11.1%
2025+5.1%+36.2%
2026+15.9%+35.0%

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

Are OVLY and THFF good diversifiers for each other?

Only partially. A correlation of 0.64 means OVLY 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 OVLY and THFF?

As of 2026-08-27, the correlation of weekly returns between OVLY and THFF is 0.64 over 3 years, 0.67 over 1 year and 0.55 over 5 years.

Is THFF a good diversifier for OVLY?

Only partially. A correlation of 0.64 means OVLY 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 0.64 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

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OVLY vs THFF: 3-year weekly correlation 0.64OVLY vs THFF0.64

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Related comparisons

Hubs: OVLY correlations · THFF correlations