COFS vs EDUC: Correlation
ChoiceOne Financial Services, Inc. (COFS) and Educational Development Corporation (EDUC) show a negative relationship: their 3-year correlation of weekly returns is -0.30.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COFS and EDUC?
On 3 years of weekly data the COFS/EDUC correlation comes out at -0.30, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.30 lands near the 3-year figure. The 5-year figure is -0.11, and annualized covariance runs at -670.3 %².
EDUC is close to the least connected end of COFS's tracked universe, ranking #10 of 12. The last year tells two different stories: EDUC led by 15.2 percentage points, +10.7% for COFS against +25.9% for EDUC. One caveat on sizing: EDUC is 1.7 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
COFS vs EDUC: side by side
| COFS (ChoiceOne Financial Services, Inc.) | EDUC (Educational Development Corporation) | |
|---|---|---|
| 1-year return | +10.7% | +25.9% |
| 5-year return | +66.4% | -85.6% |
| Volatility (ann.) | 36.3% | 62.4% |
| Beta vs S&P 500 | 0.84 | 0.67 |
| Max drawdown (3Y) | -34.9% | -63.5% |
| Market cap | $0.5B | – |
| P/E (trailing) | 8.8 | 5.7 |
| Dividend yield | 3.43% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | COFS | EDUC |
|---|---|---|
| 2022 | +14.4% | -64.6% |
| 2023 | +5.3% | -63.3% |
| 2024 | +26.3% | +42.2% |
| 2025 | -14.0% | -20.0% |
| 2026 | +14.8% | +3.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COFS and EDUC good diversifiers for each other?
By historical standards, yes. A correlation of -0.30 means the two rarely move for the same reasons.
FAQ
What is the correlation between COFS and EDUC?
As of 2026-08-27, the correlation of weekly returns between COFS and EDUC is -0.30 over 3 years, -0.30 over 1 year and -0.11 over 5 years.
Is EDUC a good diversifier for COFS?
By historical standards, yes. A correlation of -0.30 means the two rarely move for the same reasons.
What does a correlation of -0.30 mean?
On the −1 to +1 scale, -0.30 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/cofs-vs-educ.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cofs-vs-educ/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: COFS correlations · EDUC correlations
