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CZFS vs OOMA: Correlation

How closely do Citizens Financial Services, Inc. (CZFS) and Ooma, Inc. (OOMA) trade together? Their weekly returns over three years give a correlation of 0.48, which is moderate.

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

Correlation (3Y)
0.48
moderate
Correlation (1Y)
0.24
last 12 months
Correlation (5Y)
0.34
long-run
Ann. covariance
801.8
%² · weekly, annualized

How correlated are CZFS and OOMA?

On 3 years of weekly data the CZFS/OOMA correlation comes out at 0.48, moderate. The link has loosened recently: the 1-year correlation (0.24) runs below the 3-year figure (0.48). The 5-year figure is 0.34, and annualized covariance runs at 801.8 %².

Within CZFS's tracked universe of 14 assets, OOMA comes in at #8 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months OOMA outperformed by 39.5 percentage points (+34.8% for CZFS against +74.3% for OOMA).

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.

CZFS vs OOMA: side by side

CZFS (Citizens Financial Services, Inc.)OOMA (Ooma, Inc.)
1-year return+34.8%+74.3%
5-year return+56.8%+23.7%
Volatility (ann.)43.2%38.7%
Beta vs S&P 5000.950.76
Max drawdown (3Y)-38.1%-53.4%
Market cap$0.4B$0.6B
P/E (trailing)9.462.3
Dividend yield2.49%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: CZFS 9.4 vs 62.3Higher yield: CZFS 2.49% vs 0.00%Smaller drawdown: CZFS -38.1% vs -53.4%Higher 5y return: CZFS +56.8% vs +23.7%
-13%0%+83%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CZFS · OOMA

Year-by-year returns

YearCZFSOOMA
2022+31.2%-33.4%
2023-12.3%-21.2%
2024+2.7%+31.0%
2025-6.9%-16.6%
2026+44.6%+96.4%

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

Are CZFS and OOMA good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between CZFS and OOMA?

Using weekly returns as of 2026-08-27: 0.48 over 3 years, with 0.24 over the last year and 0.34 over 5 years.

Is OOMA a good diversifier for CZFS?

Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.48 mean?

On the −1 to +1 scale, 0.48 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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CZFS vs OOMA: 3-year weekly correlation 0.48CZFS vs OOMA0.48

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Hubs: CZFS correlations · OOMA correlations