BOC vs CBNK: Correlation
Measured on weekly returns over the past three years, Boston Omaha Corporation (BOC) and Capital Bancorp, Inc. (CBNK) carry a correlation of 0.42, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BOC and CBNK?
On 3 years of weekly data the BOC/CBNK correlation comes out at 0.42, moderate. Little has changed lately, as the 1-year reading of 0.35 lands near the 3-year figure. The 5-year figure is 0.37, and annualized covariance runs at 343.1 %².
In BOC's tracked universe of 12 assets, CBNK sits right near the top at #3. Over the last 12 months CBNK came out ahead by 5.8 percentage points (+1.5% against +7.3%).
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.
BOC vs CBNK: side by side
| BOC (Boston Omaha Corporation) | CBNK (Capital Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +1.5% | +7.3% |
| 5-year return | -60.8% | +69.0% |
| Volatility (ann.) | 29.8% | 27.3% |
| Beta vs S&P 500 | 0.31 | 0.63 |
| Max drawdown (3Y) | -37.4% | -24.8% |
| Market cap | $0.4B | $0.6B |
| P/E (trailing) | – | 10.7 |
| Dividend yield | 0.00% | 1.32% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BOC | CBNK |
|---|---|---|
| 2022 | -7.8% | -9.3% |
| 2023 | -40.6% | +4.3% |
| 2024 | -9.9% | +19.7% |
| 2025 | -12.8% | +0.3% |
| 2026 | +11.2% | +30.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BOC and CBNK good diversifiers for each other?
Reasonably. At 0.42, BOC and CBNK keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BOC and CBNK?
Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.35 over the last year and 0.37 over 5 years.
Is CBNK a good diversifier for BOC?
Reasonably. At 0.42, BOC and CBNK keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.42 mean?
On the −1 to +1 scale, 0.42 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
$ curl https://www.pairbook.io/api/v1/pairs/boc-vs-cbnk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/boc-vs-cbnk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BOC correlations · CBNK correlations
