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FBNC vs MNSB: Correlation

First Bancorp (FBNC) and MainStreet Bancshares, Inc. (MNSB) show a strong relationship: their 3-year correlation of weekly returns is 0.65.

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

Correlation (3Y)
0.65
strong
Correlation (1Y)
0.66
last 12 months
Correlation (5Y)
0.59
long-run
Ann. covariance
605.6
%² · weekly, annualized

How correlated are FBNC and MNSB?

On 3 years of weekly data the FBNC/MNSB correlation comes out at 0.65, strong. The relationship has been stable: the 1-year correlation (0.66) sits close to the 3-year figure. The 5-year figure is 0.59, and annualized covariance runs at 605.6 %².

By 3-year correlation, MNSB places #9 of the 23 assets tracked against FBNC. Their 12-month results are close: +16.9% for FBNC against +12.4% for MNSB.

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.

FBNC vs MNSB: side by side

FBNC (First Bancorp)MNSB (MainStreet Bancshares, Inc.)
1-year return+16.9%+12.4%
5-year return+72.4%+17.5%
Volatility (ann.)30.0%31.1%
Beta vs S&P 5000.890.55
Max drawdown (3Y)-26.0%-40.5%
Market cap$2.6B$0.2B
P/E (trailing)19.912.2
Dividend yield1.47%1.61%
Sector / categoryUS ListedUS Listed
Lower P/E: MNSB 12.2 vs 19.9Higher yield: MNSB 1.61% vs 1.47%Smaller drawdown: FBNC -26.0% vs -40.5%Higher 5y return: FBNC +72.4% vs +17.5%
-18%0%+22%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. FBNC · MNSB

Year-by-year returns

YearFBNCMNSB
2022-4.2%+12.9%
2023-11.2%-8.2%
2024+21.7%-25.3%
2025+17.8%+15.0%
2026+26.2%+25.5%

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

Are FBNC and MNSB good diversifiers for each other?

Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between FBNC and MNSB?

Using weekly returns as of 2026-08-27: 0.65 over 3 years, with 0.66 over the last year and 0.59 over 5 years.

Is MNSB a good diversifier for FBNC?

Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.65 mean?

On the −1 to +1 scale, 0.65 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/fbnc-vs-mnsb.json

FBNC vs MNSB: 3-year weekly correlation 0.65FBNC vs MNSB0.65

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Related comparisons

Hubs: FBNC correlations · MNSB correlations