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OVLY vs TRST: Correlation

Measured on weekly returns over the past three years, Oak Valley Bancorp (CA) (OVLY) and TrustCo Bank Corp NY (TRST) carry a correlation of 0.64, a strong link.

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

Correlation (3Y)
0.64
strong
Correlation (1Y)
0.56
last 12 months
Correlation (5Y)
0.54
long-run
Ann. covariance
444.5
%² · weekly, annualized

How correlated are OVLY and TRST?

On 3 years of weekly data the OVLY/TRST correlation comes out at 0.64, strong. The relationship has been stable: the 1-year correlation (0.56) sits close to the 3-year figure. The 5-year figure is 0.54, and annualized covariance runs at 444.5 %².

Among the 11 assets we track against OVLY, TRST ranks #4 by 3-year correlation. The last year tells two different stories: TRST led by 28.7 percentage points, +22.2% for OVLY against +50.9% for TRST.

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 TRST: side by side

OVLY (Oak Valley Bancorp (CA))TRST (TrustCo Bank Corp NY)
1-year return+22.2%+50.9%
5-year return+111.8%+121.0%
Volatility (ann.)26.5%26.2%
Beta vs S&P 5000.560.68
Max drawdown (3Y)-26.3%-26.2%
Market cap$0.3B$1.0B
P/E (trailing)11.915.9
Dividend yield2.22%2.66%
Sector / categoryUS ListedUS Listed
Lower P/E: OVLY 11.9 vs 15.9Higher yield: TRST 2.66% vs 2.22%Smaller drawdown: TRST -26.2% vs -26.3%Higher 5y return: TRST +121.0% vs +111.8%
-12%0%+47%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). OVLY · TRST

Year-by-year returns

YearOVLYTRST
2022+32.4%+17.6%
2023+33.9%-13.3%
2024-0.7%+12.4%
2025+5.1%+29.3%
2026+15.9%+41.0%

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

Are OVLY and TRST good diversifiers for each other?

Somewhat, no more. With 0.64 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between OVLY and TRST?

Using weekly returns as of 2026-08-27: 0.64 over 3 years, with 0.56 over the last year and 0.54 over 5 years.

Is TRST a good diversifier for OVLY?

Somewhat, no more. With 0.64 correlation, most large moves hit both names, and the diversification benefit stays modest.

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.

Use this data

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OVLY vs TRST: 3-year weekly correlation 0.64OVLY vs TRST0.64

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Related comparisons

Hubs: OVLY correlations · TRST correlations