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BCBP vs RBB: Correlation

Measured on weekly returns over the past three years, BCB Bancorp, Inc. (NJ) (BCBP) and RBB Bancorp (RBB) carry a correlation of 0.69, a strong link.

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

Correlation (3Y)
0.69
strong
Correlation (1Y)
0.43
last 12 months
Correlation (5Y)
0.63
long-run
Ann. covariance
740.3
%² · weekly, annualized

How correlated are BCBP and RBB?

On 3 years of weekly data the BCBP/RBB correlation comes out at 0.69, strong. The link has loosened recently: the 1-year correlation (0.43) runs below the 3-year figure (0.69). The 5-year figure is 0.63, and annualized covariance runs at 740.3 %².

Within BCBP's tracked universe of 10 assets, RBB comes in at #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months RBB outperformed by 32.4 percentage points (-0.6% for BCBP against +31.8% for RBB).

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.

BCBP vs RBB: side by side

BCBP (BCB Bancorp, Inc. (NJ))RBB (RBB Bancorp)
1-year return-0.6%+31.8%
5-year return-25.8%+22.2%
Volatility (ann.)33.3%32.4%
Beta vs S&P 5000.590.96
Max drawdown (3Y)-41.2%-39.2%
Market cap$0.2B$0.4B
P/E (trailing)10.8
Dividend yield3.70%2.43%
Sector / categoryUS ListedUS Listed
Higher yield: BCBP 3.70% vs 2.43%Smaller drawdown: RBB -39.2% vs -41.2%Higher 5y return: RBB +22.2% vs -25.8%
-14%0%+43%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BCBP · RBB

Year-by-year returns

YearBCBPRBB
2022+20.7%-18.5%
2023-24.8%-4.4%
2024-2.5%+11.0%
2025-26.6%+4.4%
2026+9.6%+29.8%

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

Are BCBP and RBB good diversifiers for each other?

Somewhat, no more. With 0.69 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between BCBP and RBB?

Using weekly returns as of 2026-08-27: 0.69 over 3 years, with 0.43 over the last year and 0.63 over 5 years.

Is RBB a good diversifier for BCBP?

Somewhat, no more. With 0.69 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.69 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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BCBP vs RBB: 3-year weekly correlation 0.69BCBP vs RBB0.69

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Related comparisons

Hubs: BCBP correlations · RBB correlations