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ECBK vs FBNC: Correlation

How closely do ECB Bancorp, Inc. (ECBK) and First Bancorp (FBNC) 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)
0.50
last 12 months
Correlation (5Y)
0.46
long-run
Ann. covariance
333.9
%² · weekly, annualized

How correlated are ECBK and FBNC?

On 3 years of weekly data the ECBK/FBNC correlation comes out at 0.48, moderate. Little has changed lately, as the 1-year reading of 0.50 lands near the 3-year figure. The 5-year figure is 0.46, and annualized covariance runs at 333.9 %².

By 3-year correlation, FBNC places #4 of the 11 assets tracked against ECBK. Twelve-month performance is nearly a tie, at +20.9% for ECBK and +16.9% for FBNC.

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.

ECBK vs FBNC: side by side

ECBK (ECB Bancorp, Inc.)FBNC (First Bancorp)
1-year return+20.9%+16.9%
5-year returnn/a+72.4%
Volatility (ann.)23.4%30.0%
Beta vs S&P 5000.450.89
Max drawdown (3Y)-19.7%-26.0%
Market cap$0.2B$2.6B
P/E (trailing)14.819.9
Dividend yield0.00%1.47%
Sector / categoryUS ListedUS Listed
Lower P/E: ECBK 14.8 vs 19.9Higher yield: FBNC 1.47% vs 0.00%Smaller drawdown: ECBK -19.7% vs -26.0%
-14%0%+24%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. ECBK · FBNC

Year-by-year returns

YearECBKFBNC
2022-4.2%
2023-21.7%-11.2%
2024+18.2%+21.7%
2025+17.2%+17.8%
2026+19.2%+26.2%

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

Are ECBK and FBNC good diversifiers for each other?

A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between ECBK and FBNC?

As of 2026-08-27, the correlation of weekly returns between ECBK and FBNC is 0.48 over 3 years, 0.50 over 1 year and 0.46 over 5 years.

Is FBNC a good diversifier for ECBK?

A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ecbk-vs-fbnc.json

ECBK vs FBNC: 3-year weekly correlation 0.48ECBK vs FBNC0.48

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Related comparisons

Hubs: ECBK correlations · FBNC correlations