FC vs NBBK: Correlation
Franklin Covey Company (FC) and NB Bancorp, Inc. (NBBK) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FC and NBBK?
On 3 years of weekly data the FC/NBBK correlation comes out at 0.42, moderate. Recent behaviour matches the longer record: 0.35 over 1 year against 0.42 over 3. The 5-year figure is n/a, and annualized covariance runs at 633.6 %².
Within FC's tracked universe of 15 assets, NBBK comes in at #7 by 3-year correlation. Correlation aside, the last 12 months split them widely, with NBBK ahead by 15.9 points (+3.4% versus +19.3%). Note the risk asymmetry: FC runs 1.9 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
FC vs NBBK: side by side
| FC (Franklin Covey Company) | NBBK (NB Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +3.4% | +19.3% |
| 5-year return | -52.7% | n/a |
| Volatility (ann.) | 52.1% | 27.6% |
| Beta vs S&P 500 | 1.11 | 0.84 |
| Max drawdown (3Y) | -74.0% | -24.7% |
| Market cap | – | $1.0B |
| P/E (trailing) | 135.7 | 14.7 |
| Dividend yield | 0.00% | 4.39% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FC | NBBK |
|---|---|---|
| 2022 | +0.9% | – |
| 2023 | -6.9% | – |
| 2024 | -13.7% | +34.3% |
| 2025 | -55.3% | +10.6% |
| 2026 | +21.3% | +13.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FC and NBBK good diversifiers for each other?
Reasonably. At 0.42, FC and NBBK keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between FC and NBBK?
Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.35 over the last year and n/a over 5 years.
Is NBBK a good diversifier for FC?
Reasonably. At 0.42, FC and NBBK 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/fc-vs-nbbk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fc-vs-nbbk/)
The core API is free. Terms and every endpoint in the API documentation.
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Hubs: FC correlations · NBBK correlations